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1. Computer: Input, Processing, Output, and Storage
In todays world, computers can be used for almost every task imaginable. Routine activities for example paying bills, buying groceries, or emailing a friend can be achieved with some type of computer. That is why it is crucial not only to understand how to use some type of computer, but additionally to understand the ingredients of your working computer and their business.
Recent studies report that almost 40% of homes surveyed have laptops, this also number keeps growing. Given the widespread by using computers, computer literacy - a knowledge and perception of computers and computer uses - is now an essential ingredient within the recipe for achievement in todays world. Florida was the very first state to demand computer literacy of students by grade 12.
Collectively, the electric, electronic, and mechanical equipment that produces up an individual computer is termed hardware. Devices that surround the computer unit, the laptop keyboard, mouse, speakers, monitor, and many others sometimes these are known as peripheral devices.
Computers manipulate process data input to make information output and hold store that information for future use. These operations are completed incredibly quickly. Todays supercomputer is capable of doing 1.8 trillion operations per second. If a person did one arithmetic operation another without stopping, it'd take greater than 31, 000 years to execute the quantity of operations a supercomputer can perform in one second.
A major part of understanding computers should be to know what adopts them data, what arrives of them information, and to be aware of the strategy of turning data into information, also referred to as the information processing cycle.
Understanding the real difference between data and data is important. Clifford Stoll - lecturer, computer security expert, and author The Cuckoos Egg: Tracking a Spy Through the Maze of Computer Espionage and Silicon Snake Oil: Second Thoughts for the Information Superhighway are a pair of his most favored works - notes a broad gap between data and data. Information carries a pedigree, or lineage. Its source may be known, whether a respected professor or perhaps a seventh grader. The Internet has great gobs of web data, Stoll maintains, and little, little information.
3. Components in the Computer and Their Use
A computer is made of five primary hardware components: input devices, the central processing unit CPU, memory, output devices, and storage devices. These components communicate with software to carry out calculations, organize data, and talk to other computers.
Different forms of input devices transmit different types of knowledge or transmit data diversely. A keyboard is utilized to transmit alpha/numeric data by typing. In addition on the standard keys inside the typing area, an enhanced keyboard contains:
status lights that indicate modes which might be turned on and off by toggle keys, caps lock and num lock
arrow keys and also other cursor-control keys, home, end, page up, and page down that control the on-screen movement in the insertion point
special keys for example esc, shift, ctrl, and alt which have varying functions according to the software
The mouse, such as a trackball or joystick, is named a pointing device because doing so controls the movement of an pointer, or mouse pointer, using the pc screen. The first mouse would have been a one-button, rectangle shaped device introduced by Doug Engelbart in 1964. A mouse is quite easy to use. It requires empty desk space, however, and forces anyone to remove a hand from the laptop keyboard to give a command.
Different CPUs function at different speeds. The rate when computer operations come about is measured in megahertz MHz, or an incredible number of electronic pulses per second. This rate varies among computers and will be a consideration when purchasing a private computer. Computers have two basic sorts of memory. RAM random access memory is volatile, which means its contents are lost in the event the computer is powered down. ROM read-only memory is nonvolatile given it retains its contents even if the power is powered down. ROM stores information which doesn't change, for instance the instructions and data utilized to start your computer when it is first started up.
Like input devices, different kinds of output devices convey different sorts of information or convey information in a different way. Printer output sometimes is known as hard copy due to its physical, touchable character. Monitor output, however, is referred to as soft copy given it has only an electric, intangible existence. Non-impact printers represent the quickest growing segment with the printer market. The drops of ink that form an ink-jet printer character are similar for the dots that form a dot matrix character figure, but there are lots of more of which. Good quality paper should be used with ink-jet printers so your ink doesn't bleed. The speed quoted for impact printers often is measured in characters per second cps. Like ink-jet printers, laser printer speed is measured in pages for each minute ppm. Although they are fast, all printers less difficult slower than computers. Because of this, most printers use a buffer that temporarily stores several pages, allowing laptop computer to dump output in to the buffer and continue processing. The most widespread PC monitors are 14- or 17-inch measured from a single corner on the diagonally opposite corner. With the growing availability of portable computers, the clarity of LCD displays will continue to improve. The quality of an monitors display depends largely on three factors:
Storage tools are different from memory. Memory, sometimes called primary storage, is fast, short-term, volatile, and relatively expensive. Storage devices, however, are slower, long-term, nonvolatile, and less costly.
4. Floppy Disks and Hard Disks
The data and data used in your working computer needs to be stored for future use. The memory of any computer only holds items temporarily when they're being processed. When not being processed, these things must be kept in auxiliary storage devices. These devices include floppy disks, pushes, CD-ROM, and DVD-ROM. When selecting a storage device it is crucial to realize that each device holds different degrees of information.
Although floppy disks were in the past available in two sizes, the 5.25-inch floppy disk rarely is employed today, and several believe it is destined for a similar fate because the eight-track tape. Because of its rigid plastic shell, it might be difficult to understand the 3.5-inch disk as floppy. The name is justified, however, not merely by the disks ancestry but by the flexible character in the disk itself. When a floppy disk drive is reading from or conntacting a floppy disk, a lightweight turns on next on the drive. Floppy disks never needs to be inserted into or removed on the drive if this light is on. Most magnetic disks are read/write storage media. Some optical discs, for example CD-ROMs, usually might be read from and not written to. Each track with a formatted floppy disk is extremely narrow. To see how narrow, seek to draw 80 lines in the 11/4-inch space the approximate radius from the floppy disk surface. Floppy disks are soft-sectored, meaning that the volume of sectors just isn't predetermined. Floppy disk access time is dependent upon the time required to locate the proper track, any time required to rotate the disk on the proper sector, and any time necessary to transfer the info into main memory.
Although personal computer hard drives usually are fixed, not removable, some portable computer systems removable computer drives. Unlike floppy disks, hard drives constantly are spinning, at the rate ten to twenty times faster than floppy disks. Therefore, access time for devices is significantly a lot less than access time for floppy disks. While a floppy disk read/write head rests for the disk, the read/write head for the hard disk hovers about 10 millionths of an inch across the disk surface. Contamination around the disk - a speck of dust about 1550 millionths of an inch, a fingerprint about 600 millionths of an inch, or maybe a particle of smoke about 250 millionths of an inch - may cause a head crash, destroying data and rendering the disk drive unusable. For this reason, harddrives are sealed and made in an environment that typically is cleaner over a hospital operating room. Storage capacity could be increased on both hard drives and floppy disks with compression programs for example Stacker, WinZip, or PKZIP.
5. Computer Software: System Software and Application Software
There are two categories pc software: system software and computer software. System software serves since the interface from a user along with the computers hardware. An example of system software could well be an operating system for instance Microsoft Windows. Application software is made up of programs designed to complete specific tasks. An example of software would become a spreadsheet program, for instance Microsoft Excel.
A 3.5-inch floppy disk is computer systems, though the programs stored into it are software applications. Although there are two forms of software, system software and computer software are built to work hand-in-glove; that's, software packages are created to work with specific forms of system software. By telling your computer how to carry out common functions, the computer frees computer software to concentrate on producing information. Popular os's include Windows, the Mac OS, OS/2, UNIX, Linux, DOS, and NetWare. Operating systems that contain a graphical user interface GUI often are classified as user-friendly. Studies have found out that GUI users generally complete tasks more accurately, work faster, are definitely more productive, and feel less fatigue.
To view the relationship between computer software and system software, draw four concentric circles. Label the innermost circle CPU, the next computer, the next software, plus the last user. The resultant diagram illustrates how the os helps to insulate the person and application program from computer units.
6. Types of Personal Computer Application Software
Many varieties of application software can be purchased. The more popular software includes word processing software, electronic spreadsheet software, database software, presentation graphics software, communications software, and e-mail software. Knowing the function of every sort of computer software is one on the most important ingredients to be computer literate.
Several in the past, a survey of enormous and small enterprises showed that probably the most often used applications were:
Communications, email correspondence, database, and presentation graphics utilized by about 95%
In word processing, any work developed throughout the writing process is usually a document. Word processing software makes it easier to generate, edit, format, and print documents. Many word processing packages incorporate a spell checker, grammar checker, and thesaurus.
The first spreadsheet software, VisiCalc, has been around since 1979. By immediately displaying the outcome of changes, electronic spreadsheet packages give a capability called what-if analysis. Another powerful capability, called goal-seek, finds what value is was required to reach a nominated goal.
A database file can be a collection of related data called records, as both versions consists of any group of related facts called fields. The data may be manipulated, or possibly a report, known as the query, may be created according to user-specified criteria. Although most spreadsheet packages can manage data tables of the few thousand records, database software can efficiently handle much bigger data tables.
Word processing and spreadsheet software arrived around 1980. Presentation graphics software had not been introduced prior to the mid to late 1980s. Nevertheless, it might be argued that presentation graphics software has already established almost as great a direct effect on business, and also on how people conduct business, as either with the older applications. Presentation graphics packages include libraries of clip art which can be inserted into slides plus a slide sorter which might be used to set up the order effectively where slides are presented.
7. Computer Communications Channels and Equipment as well as the Internet and World Wide Web
Communicating that has a computer has become the standard today for both business and use. The communications channels are constantly being upgraded so as to send information faster. Communications technologies have changed how people interact through the utilization of e-mail, videoconferencing, along with the Internet.
Many vendors sell network versions with their software. The network version resides within the network server and is usually accessed by each computer about the network. When a network version is purchased, a website license is obtained in the vendor. The fee for that site license, usually based on the quantity of computers around the network, is lower than the purchase of individual packages for each and every computer.
The amount of people using the Internet is increasing by 5% month after month. Paul Moritz, cigerettes president at Microsoft, maintains that, In the long run, its tough to exaggerate the importance from the Internet. The Web, an innovation of Tim Berners-Lee, debuted in 1989. Since then, the Web has experienced astounding growth. Some experts state that the size from the Web doubles every two months. Using links to move from a single document to a new often is named surfing the Web. Two popular Web browsers are Netscape Navigator and Microsoft Internet Explorer.
8. How to Purchase, Install, and Maintain a Computer
At some point in time in your life, you'll likely decide to purchase a pc. Aside from understanding the constituents discussed earlier, it also is significant to be able to find laptop computer that most closely fits your needs. For example, most new computers come with software already installed. If you do not make use of this software, then its of no value although you may got it without cost. There are several things to look for when buying a new computer. If possible, meet with someone who is aware of the purchasing process and will guide you along.
For a lot of people, buying your working computer is an expensive experience. Despite this, answer woefully uninformed after they set out to purchase some type of computer. Although computer systems remain popular, since 1993 sales of laptop, notebook, and smaller grown to be rivaled sales of larger systems, partly because of these enhanced capabilities and increased use by field sales forces. Be careful when setting up your personal computer system. Failure to adhere to health guidelines may result in painful, and in some cases permanent, disabilities. Government reports say repetitive stress disorder RSI and cumulative trauma disorder CTD, by far the most commonly reported problems linked to prolonged keyboard use, are responsible for one half of work-related illnesses. Computer security is definitely an increasingly important issue. A survey of American companies with over 200 computer systems showed that over 60% had suffered a minumum of one virus attack. Two in the major types of viruses, free software and illegally copied software, also are made use of by small companies and individuals, therefore the percentage of PC users suffering from viruses could possibly be much higher. E-mail attachments have already been the carriers of numerous recent virus attacks which may have infected both business and family computer users.
Conducting business online is well known as electronic commerce, or e-commerce, and includes such commercial activities as shopping and investing. The three forms of e-commerce which one can find today are business to consumer B2C, consumer to consumer C2C, and b2b B2B.
If you have access to your working computer, an Internet connection, along with a means to purchase products or services, you may participate in e-commerce. Today, users can be involved in e-commerce not just through a desktop, but in addition through mobile devices for instance laptop and handheld computers, pagers, and mobile phones. M-commerce mobile commerce may be the term some individuals use to spell out e-commerce activities that occur using mobile phones.
The popular uses of e-commerce include shopping and investing. On the Web, you are able to buy and then sell stocks, order flowers, purchase groceries and air travel, and also buy a car!
Three varieties of e-commerce exist: business to consumer B2C, consumer to consumer C2C, and b2b B2B. Of the three, most e-commerce develops between businesses, making B2B e-commerce transactions by far the most common.
Define the word computer and discuss the 4 basic computer operations: input, processing, output, and storage
Explain the way to purchase, install, and maintain a private computer, a notebook, plus a handheld computer
1. Computer : Input, Processing, Output, and Storage
In todays world, computers bring almost every task imaginable. Routine activities like paying bills, buying groceries, or emailing a friend can be carried out with your working computer. That is why it is necessary not only to learn how to use your personal computer, but to understand the ingredients of a pc and how they work.
Recent studies report that almost 40% of homes surveyed have pcs, this also number is increasing. Given the widespread by using computers, computer literacy - a knowledge and knowledge of computers and computer uses - happens to be an essential ingredient inside the recipe for achievement in todays world. Florida was the initial state to demand computer literacy of the students by grade 12.
Collectively, the electric, electronic, and mechanical equipment that creates up your own computer is termed hardware. Devices that surround the computer unit, the laptop keyboard, mouse, speakers, monitor, and so forth sometimes are peripheral devices.
Computers manipulate process data input to create information output and hold store that information for future use. These operations are completed incredibly quickly. Todays supercomputer is able to do 1.8 trillion operations per second. If a person did one arithmetic operation a 2nd without stopping, it will take greater than 31, 000 years to execute the amount of operations a supercomputer are capable of doing in one second.
A major part of understanding computers would be to know what adopts them data, what happens of them information, and to be aware of the means of turning data into information, often known as the information processing cycle.
Understanding the main difference between data and knowledge is important. Clifford Stoll - lecturer, computer security expert, and author The Cuckoos Egg: Tracking a Spy Through the Maze of Computer Espionage and Silicon Snake Oil: Second Thoughts within the Information Superhighway are a couple of his most widely used works - notes a diverse gap between data and knowledge. Information includes a pedigree, or lineage. Its source may be known, whether a respected professor or even a seventh grader. The Internet has great gobs of knowledge, Stoll maintains, and little, little information.
3. Components from the Computer and Their Use
A computer contains five primary hardware components: input devices, the central processing unit CPU, memory, output devices, and storage devices. These components band together with software to complete calculations, organize data, and speak with other computers.
Different kinds of input devices transmit different types of information or transmit data diversely. A keyboard is employed to transmit alpha/numeric data by typing. In addition on the standard keys from the typing area, an enhanced keyboard contains:
status lights that indicate modes that could be turned on and off by toggle keys, caps lock and num lock
arrow keys along with other cursor-control keys, home, end, page up, and page down that control the on-screen movement in the insertion point
special keys including esc, shift, ctrl, and alt who have varying functions according to the software
The mouse, just like a trackball or joystick, is termed a pointing device since it controls the movement of any pointer, or mouse pointer, on your computer screen. The first mouse was obviously a one-button, rectangle shaped device created by Doug Engelbart in 1964. A mouse is quite easy to use. It requires empty desk space, however, and forces anyone to remove a hand from laptop keyboards to give a command.
Different CPUs function at different speeds. The rate when computer operations happen is measured in megahertz MHz, or numerous electronic pulses per second. This rate varies among computers and really should be a consideration when purchasing an individual computer. Computers have two basic forms of memory. RAM random access memory is volatile, which means that its contents are lost once the computer is put off. ROM read-only memory is nonvolatile given it retains its contents even in the event the power is powered down. ROM stores information which doesn't change, for example the instructions and data utilized to start laptop when it is first switched on.
Like input devices, different forms of output devices convey different forms of information or convey information differently. Printer output sometimes is named hard copy simply because of its physical, touchable character. Monitor output, conversely, is termed soft copy because doing so has only searching for, intangible existence. Non-impact printers represent the quickest growing segment with the printer market. The drops of ink that form an ink-jet printer character are similar for the dots that form a dot matrix character figure, but there are lots of more of which. Good quality paper should be used with ink-jet printers in order for the ink won't bleed. The speed quoted for impact printers often is measured in characters per second cps. Like ink-jet printers, laser printer speed is measured in pages for each minute ppm. Although they are fast, all printers are a lot easier slower than computers. Because of this, most printers possess a buffer that temporarily stores a couple of pages, allowing laptop to dump output in to the buffer and continue processing. The most widespread PC monitors are 14- or 17-inch measured from corner for the diagonally opposite corner. With the growing availability of portable computers, the clarity of LCD displays is constantly on the improve. The quality of an monitors display depends largely on three factors:
Storage items are different from memory. Memory, sometimes called primary storage, is fast, short-term, volatile, and relatively expensive. Storage devices, in contrast, are slower, long-term, nonvolatile, and less costly.
4. Floppy Disks and Hard Disks
The data and data used in some type of computer needs to be stored for future use. The memory of your computer only holds items temporarily while being processed. When not being processed, these things must be saved in auxiliary storage devices. These devices include floppy disks, hard drives, CD-ROM, and DVD-ROM. When selecting a storage device it is crucial to realize that each device holds different numbers of information.
Although floppy disks were in the past available in two sizes, the 5.25-inch floppy disk rarely is utilized today, and many believe it is destined for the very same fate as being the eight-track tape. Because of its rigid plastic shell, it could be difficult to begin to see the 3.5-inch disk as floppy. The name is justified, however, not merely by the disks ancestry but in addition by the flexible character on the disk itself. When a floppy disk drive is reading from or chatting with a floppy disk, the light source turns on next to your drive. Floppy disks never needs to be inserted into or removed from your drive once this light is on. Most magnetic disks are read/write storage media. Some optical discs, for instance CD-ROMs, usually may be read from yet not written to. Each track over a formatted floppy disk is quite narrow. To see how narrow, make an effort to draw 80 lines inside a 11/4-inch space the approximate radius from the floppy disk surface. Floppy disks are soft-sectored, meaning that the quantity of sectors will not be predetermined. Floppy disk access time depends upon the time had to locate the best track, time required to rotate the disk towards the proper sector, and time necessary to transfer the information into main memory.
Although personal computer hard drives usually are fixed, not removable, some portable grown to be removable hardrives. Unlike floppy disks, data constantly are spinning, at the rate ten to twenty times faster than floppy disks. Therefore, access time for devices is significantly under access time for floppy disks. While a floppy disk read/write head rests around the disk, the read/write head for any hard disk hovers about 10 millionths of an inch over the disk surface. Contamination within the disk - a speck of dust about 1550 millionths of an inch, a fingerprint about 600 millionths of an inch, or perhaps a particle of smoke about 250 millionths of an inch - could cause a head crash, destroying data and rendering the disk drive unusable. For this reason, hardrives are sealed and stated in an environment that typically is cleaner when compared to a hospital operating room. Storage capacity may be increased on both pushes and floppy disks with compression programs for instance Stacker, WinZip, or PKZIP.
5. Computer Software: System Software and Application Software
There are two categories pc software: system software and software. System software serves because interface from a user and laptop s hardware. An example of system software will be an operating system for instance Microsoft Windows. Application software contains programs designed to execute specific tasks. An example of computer software would be described as a spreadsheet program, like Microsoft Excel.
A 3.5-inch floppy disk is computing devices, though the programs stored upon it are software. Although there are two forms of software, system software and computer software are built to work hand-in-glove; that may be, software packages are built to work with specific types of system software. By telling the pc how to do common functions, the operating-system frees software to concentrate on producing information. Popular systems include Windows, the Mac OS, OS/2, UNIX, Linux, DOS, and NetWare. Operating systems which have a graphical user interface GUI often are known as user-friendly. Studies have found out that GUI users generally complete tasks more accurately, work faster, tend to be productive, and feel less fatigue.
To see the relationship between software and system software, draw four concentric circles. Label the innermost circle CPU, the next os, the next computer software, and also the last user. The resultant diagram illustrates how the computer helps to insulate the consumer and application program from computing devices.
6. Types of Personal Computer Application Software
Many varieties of application software are offered. The more popular computer software includes word processing software, electronic spreadsheet software, database software, presentation graphics software, communications software, and email software. Knowing the function of every sort of software is one in the most important ingredients for being computer literate.
Several in the past, a survey of enormous and small companies showed that one of the most often used applications were:
Communications, email, database, and presentation graphics made use of by about 95%
In word processing, any work developed from the writing process can be a document. Word processing software makes it easier to build, edit, format, and print documents. Many word processing packages will include a spell checker, grammar checker, and thesaurus.
The first spreadsheet software, VisiCalc, has been available since 1979. By immediately displaying the outcome of changes, electronic spreadsheet packages give a capability called what-if analysis. Another powerful capability, called goal-seek, finds what value is necessary to reach a particular goal.
A database file can be a collection of related data called records, as both versions consists of an group of related facts called fields. The data could be manipulated, or maybe a report, known as a query, is usually created depending on user-specified criteria. Although most spreadsheet packages can manage data tables of an few thousand records, database software can efficiently handle much wider data tables.
Word processing and spreadsheet software arrived on the scene around 1980. Presentation graphics software wasn't introduced prior to the mid to late 1980s. Nevertheless, it might be argued that presentation graphics software has already established almost as great an effect on business, and so on how people work, as either in the older applications. Presentation graphics packages include libraries of clip art which might be inserted into slides and also a slide sorter that may be used to get ready the order effectively through which slides are presented.
7. Computer Communications Channels and Equipment plus the Internet and World Wide Web
Communicating that has a computer has become the standard today for both business and private use. The communications channels are constantly being upgraded so that you can send information faster. Communications technologies have changed how people interact through the usage of e-mail, videoconferencing, and also the Internet.
Many vendors sell network versions of the software. The network version resides for the network server and may be accessed by each computer about the network. When a network version is purchased, a web site license is obtained from your vendor. The fee with the site license, usually based on the quantity of computers for the network, is a lot less than the purchase of individual packages for each and every computer.
The amount of people using the Internet keeps growing by 5% month after month. Paul Moritz, smoking president at Microsoft, maintains that, In the long run, its not easy to exaggerate the importance in the Internet. The Web, an innovation of Tim Berners-Lee, debuted in 1989. Since then, the Web has experienced astounding growth. Some experts report that the size with the Web doubles every two months. Using links to move from document to an alternative often is named surfing the Web. Two popular Web browsers are Netscape Navigator and Microsoft Internet Explorer.
8. How to Purchase, Install, and Maintain a Computer
At some time in your life, you'll probably decide to purchase some type of computer. Aside from understanding the constituents discussed earlier, it also is essential to be able to find the pc that most closely fits your needs. For example, most new computers come with computer software already installed. If you do not take advantage of this software, then it's of no value while you got it free of charge. There are several things to look for when acquiring a new computer. If possible, talk to someone who is aware of the purchasing process which enables it to guide you along.
For a lot of people, buying your personal computer is an expensive experience. Despite this, so many people are woefully uninformed once they set out to purchase your working computer. Although computer's desktop systems remain popular, since 1993 sales of laptop, notebook, and smaller computer systems rivaled sales of larger systems, partly because of these enhanced capabilities and increased use by field sales forces. Be careful when setting up some type of computer system. Failure that you follow health guidelines can result in painful, and also permanent, disabilities. Government research indicates repetitive stress disorder RSI and cumulative trauma disorder CTD, essentially the most commonly reported problems related to prolonged keyboard use, are responsible for half work-related illnesses. Computer security is surely an increasingly important issue. A survey of American companies with a lot more than 200 computers showed that over 60% had suffered no less than one virus attack. Two with the major causes of viruses, free software and illegally copied software, typically are employed by small companies and personal individuals, therefore the percentage of PC users afflicted with viruses could be much higher. E-mail attachments have already been the carriers of various recent virus attacks that contain infected both business and home pc users.
Conducting business online is understood as electronic commerce, or e-commerce, and includes such commercial activities as shopping and investing. The three varieties of e-commerce which exist today are business to consumer B2C, consumer to consumer C2C, and one company to another B2B.
If you have access to some type of computer, an Internet connection, as well as a means to spend on products or services, it is possible to participate in e-commerce. Today, users can be involved in e-commerce not simply through personal computers, but additionally through mobile devices for instance laptop and handheld computers, pagers, and phones. M-commerce mobile commerce would be the term many people use to explain e-commerce activities that happen using cellular phones.
The widely used uses of e-commerce include shopping and investing. On the Web, you may buy then sell stocks, order flowers, purchase groceries and air travel, as well as buy a car!
Three sorts of e-commerce exist: business to consumer B2C, consumer to consumer C2C, and one company to another B2B. Of the three, most e-commerce happens between businesses, making B2B e-commerce transactions by far the most common.
A Computer is surely an automatic electronic, calculating device which often can process a certain input in a very prescribed manner to provide a desired output, at the very high speed with remarkable accuracy. It can also perform all arithmetic and logical functions as outlined by instructions given in the systematic order to unravel any problem and provide processed information.
Since Computer is an electric machine and electrical pulses travel for the rate of passage of electric current. This speed enables the computer to complete millions of calculations per second.
A computer has an excessive amount of storage capacity. Once recorded, an item of information can not be forgotten.
A computer is usually considered as 100% accurate. Checking circuits are designed directly into your computer, that computer errors that undetected can be extremely rare.
Computer is capable of doing any task, provided it may be reduced to some series of logical steps.
Computer never gets tired. It performs most boring, repetitive and monotnous task.
Once a plan is fed into computer anyone instructions are processed on following your other. Thus computer works automatically without manual intervention.
The capacity to take in and store a sequence of instructions for laptop computer to obey. Such a sequence of instruction is known as a PROGRAM and it need to be written from the Computer Language.
Computer may take simple decisions, including less than, over or similar to. It also determines whether an announcement is true or false.
The physical components along with other attached input and output devices of computers are classified as Hardware. All Hardware components could be connected mechanically, electrically or electronically collectively. Hardware includes input/output devices, CPU, backing storage devices and electronic circuit.
Computer required a amount of instructions to perform any job. The list of these instructions forms programs. Numbers of programs are combined for a lot of purposes are software.
They are created by manufactures and programmers.
At the first age people used pebbles, stones, sticks, scratches, symbols and finger tips to count, that were later replaced by numbers.
The reputation of computing is divided into three ages in which man invented and improved different forms of calculating machines. These ages are,
About 3000 years BC, Chinese developed the initial calculating machine named Abacus or Soroban.
Abacus consists of an rectangular wooden frame having rods which carry round beads. Counting is completed by shifting the beads from a single side to a different.
In 1632 AD William Oughtred, an English mathematician created slide rule. This device is made of two movable rules placed alongside each other on which number were marked.
A Computer can be an automatic electronic, calculating device which often can process confirmed input inside a prescribed manner to generate a desired output, at the very high speed with remarkable accuracy. It can also perform all arithmetic and logical functions based on instructions given in a very systematic order to unravel any problem and convey processed information.
Since Computer is searching for machine and electrical pulses travel with the rate of passage of electric current. This speed enables the computer to complete millions of calculations per second.
A computer has an excessive amount of storage capacity. Once recorded, a bit of information can't ever be forgotten.
A computer may be considered as 100% accurate. Checking circuits are created directly into laptop computer, that computer errors that undetected can be extremely rare.
Computer is capable of doing any task, provided it could be reduced to your series of logical steps.
Computer never gets tired. It performs most boring, repetitive and monotnous task.
Once a plan is fed into computer the average person instructions are processed on as soon as the other. Thus computer works automatically without manual intervention.
The power to take in and store a sequence of instructions for laptop computer to obey. Such a sequence of instruction is referred to as a PROGRAM and it should be written from the Computer Language.
Computer might take simple decisions, for example less than, higher than or corresponding to. It also determines whether an announcement is true or false.
The physical components as well as other attached input and output devices of computers are classified as Hardware. All Hardware components can be connected mechanically, electrically or electronically jointly. Hardware includes input/output devices, CPU, backing storage devices and electronic circuit.
Computer required a volume of instructions to complete any job. The list of these instructions forms programs. Numbers of programs are combined for most purposes are known as software.
They are made by manufactures and programmers.
At their early age people used pebbles, stones, sticks, scratches, symbols and finger tips to count, which are later replaced by numbers.
The good computing is divided into three ages when man invented and improved different forms of calculating machines. These ages are,
About 3000 years BC, Chinese developed the initial calculating machine named Abacus or Soroban.
Abacus consists of the rectangular wooden frame having rods which carry round beads. Counting is completed by shifting the beads from a single side to an alternative.
In 1632 AD William Oughtred, an English mathematician designed a slide rule. This device contains two movable rules placed alongside each other on which number were marked.