Basic Computer General Knowledges

• Computer softwar e packages are used for many different purposes.
• It is easy to use application packages.
• There are two types of software: system software and application software.
• A software package is a collection of programs that may be supplied with manuals.
• Software packages are written by programmers using a programming language.
• A ready made software package has its advantages and disadvantages.
• A word processing package is used to create documents.
• A spreadsheet package is used to manage a large number of records.
• An accounting package is used to process financial data in business organization.
• A graphics package is used to create drawings and  charts.
• Computers can also be used to play games.

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General Knowledge Of Computer

1. Computers are used for many different kinds of work.
2. Computer process data.
3. The four stages in the operation of a computer are input, processing,output and storage.
4. The brain of a computer is called Processor.
5. Computer can not think themselves. They follow instructions called programs or software.
6. The hardware components of a small computer system are the system unit,the keyboard, the monitor and the printer.
7. Computers have two types of Memory: Temporary memory and Permanent memory.
8. The most common types of permanent storage are the Floppy disks, the hard disks and the CD-RAMs.
9. The monitor is used to display information.
10. The printer is used to produce hard copies of information.
11. You boot the computer by turning on the power.
12. When using a computer laboratory, there are number of safety rules to be observed.
13. Handle the computers and the floppy disks with care.
14. Beware of computer viruses.
15. Before the invention of modern computers, man used many different mechanical tools for counting and calculation.
16. The ideas of Charles Babbage have been used to make modern computers.
17. Many modern devices use microchips.
18. The keyboard looks like a typewriter with the addition of function keys, special keys, keypad keys and cursor keys.
19. You can use Typing Tutor to learn to use the keyboard.

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Computer Knowledge

Computer General Knowledge 

• A  hard disk has a storage capacity of 80 GB. It can store  a total of 80 x 2^30 bytes information
• Pixel of a color monitor consist of 3 color dots. The colors are Red, Green and Blue
• Data transfer rate of a Dial up Modem is measured in kbps
• Which memory device has highest speed of access--Cache
• Anti-virus software is a Utility software
• Maximum number of Rows in an Excel sheet are 65536
• Disk DE-fragmentation is used to rearrange files in a Disk

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