Following are some Important facts about computer which will help you to learn computer easily :-
1.A device used as an auxiliary power supply or battery backup? (IBPS CLERK 2016)
Ans: – UPS i.e. Uninterruptible Power Supply
- Another name for Floppies which are used to read and store information?
Ans: – Diskettes
- A mistake in an algorithm which causes incorrect results is which type of error?
Ans: – Logical error
- The largest unit of computer memory till date?
Ans: – Yottabyte (YB)
- The two most common forms of user interface?
Ans :- i) CLI – Command Line Interface ii) GUI – Graphical User Interface
6. MS-DOS, one of the popular operating system is an abbreviation for?
Ans: – Microsoft – Disc Operating System
- Pressing the restart button while the computer is ‘on’ is known as?
Ans: – Warm Boot
- What is the origin of Linux as an OS and an example of open source software?
Ans: – The name ‘LINUX’ comes from the Linux kernel originally written by Linus Thorvald
- The term ‘BUG’ means what in computer?
Ans: – A Bug is a Coding Error which causes Wrong result.
- What does RPG stand for?
Ans: – Report Program Generator. (MS – ACCESS is one of its examples.)
- The input device mouse was invented by whom?
Ans: – Douglas Engelbert
- The First operational Computer network in the world was?
Ans: – ARPANET
- Device that performs modulation process / operations is called?
Ans: – MODEM i.e. Modulator-Demodulator (Modulation is the process of changing analog signals to digital & Vice-versa)
- Who is known as the father of e-mail?
Ans: – Ray Tomlinson (In 1971, he created the first e-mail application)
- World Wide Web was developed by whom and in which year? (Frequently asked question in various exams)
Ans: – March 1989, Tim Berners-Lee
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