Sunday 22 January 2012

Study Notes : Computer Awareness : Quick Revision Notes



(For Union Bank of India, Andhra Bank, Dena Bank, Andhra Bank, Bank of Baroda, State Bank of India etc.)
Questions on Computer Awareness have recently been introduced in most Bank Recruitment exams. To help you prepare better for the Bank exams we present to you the revision notes on Computer Awareness.

1. The earlier computers, which were massive in size, were based on
vacuum tubes.
2. Early computing machines, like the ENIAC, were actually meant to assist the
 armed forces.
3. The printers in pre-1950s were
 punch cards.
4. An improvement on the ENIAC, which pioneered 'stored program', was made possible with the help of the mathematician
 John von Neumann.

5. Before the 1950s, computers were mostly owned by
 universities and research labs.
6. The B-programming language was developed by
 Ken Thompson.
7. Famous people, associated with the ENIAC, EDVAC, UNIVAC computers are
 Eckert & Mauchly.
8. The 1st commercially produced and sold computer (1951) was
 UNIVAC.
9. IBM was provided software for PCs by
 Microsoft.
10. Time-sharing, teletyping, were associated with
 mainframe computers.
11. The transformation from heavy computers to PCs was made possible using
 microprocessors.
12. The first microprocessor was developed in 1971 by
 Intel.
13. The term 'micro' (extremely small) denotes
 10-6m.
14. The Harvard student, who chose to write computer programs and dropped studies was
 Bill Gates.
15. A pentium 4 (P-4) employs roughly
 40 million transistors.
16. Mark-1, Apple-1, and collossus were
 initial desktop computers.
17. Binary digits are briefed as
 bit.
18. A collection of bits is called
 byte.
19. C++, is a
 computer language.
20. The process of eliminating programming faults is called
 debugging.
21. Starting up on operating system is called
 booting.
22. A program used to browse the web is called
 browser.
23. An error in software designing which can even cause a computer to crash is called
 bug.
24. Click and double-click are achieved using the
 mouse.
25. Java, C, ForTran, Pascal and BASIC are
 computer programming languages.
26. The device which sends computer data using a phone line is called
 MODEM.
27. 'Worm' and 'virus' are actually
 programs.
28. A 'file' is a unit of
 information.
29. A megabyte has
 106(million) bytes.
30. A small, single-site network is called
 LAN.
31. A processor that collects several data and sends them over a single line is called
 bridge.
32. 'Nano' stands for
 one billionth part.
33. The number of bit patterns using an n-bit code is
 2n.
34. The part of a computer that works with the data/programs is called
 CPU.
35. To convert a binary number to a decimal, we have to express it in power of
 2.
36. www stands for
 world wide web.
37. Mathematics employed in computers is called
 Boolean algebra.
38. A collection of 8 bits is called
 byte.
39. The first home computer (1977), which was sold in millions of units was
 Apple II.
40. 'PARAM' is a
 supercomputer.
41. A website containing periodic posts is called
 blog.
42. While cutting and pasting, the cutitem is temporarily stored in the
 clipboard.
43. http stands for
 hyper text transfer protocol.
44. The unwanted or non-requested emails are called
 "spam".
45. A computer framed to give various network services is called
 server.

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