Computer General Knowledge Questions and Answers
1. A parallel port is most often used by
(A) Mouse (B) Monitor
(C) Printer (D) Keyboard
Answer: C
2. Blue tooth technology allows:
(A) Landline phone to mobile phone communication
(B) Wireless communication between equipments
(C) Signal transmission on mobile phones only
(D) Satellite television communication
Answer: B
3. Which of the following is an example of an optical disk?
(A) Memory disk (B) Magnetic disk
(C) Hard disk (D) Digital versatile disk
Answer: D
4. Which of the following is(are) an example of storage devices?
(A) Tapes (B) DVDs
(C) Magnetic disks (D) All of these
Answer: D
5. IC chips used in computers are made of
(A) Silicon (B) Chromium
(C) Lead (D) Silver
Answer: A
6. Which of the following is not an example of Operating System ?
(A) Microsoft Office (B) Windows Vista
(C) Unix (D) Ubuntu Linux
Answer: A
7. Which supercomputer is developed by the Indian Scientists ?
(A) Sequoia (B) Param
(C) Mira (D) Jaguar
Answer: B
8. 'OS' in computer system means ?
(A) Open System (B) Open Software
(C) Operating System (D) All of these
Answer: C
9. '.MOV' extension refers to:
(A) Word file (B) Text file
(C) Image file (D) Movie file
Answer: D
10. '.MPG' extension refers to:
(A) Word file (B) Text file
(C) Image file (D) Movie file
Answer: D
11. What would you do to highlight a word? You position the cursor next to the word, and then
(A) Drag mouse while holding button down
(B) Click mouse once
(C) Roll and then click mouse
(D) None of these
Answer: A
12. Which is the part of the computer system that one can physically touch?
(A) data
(B) operating systems
(C) hardware
(D) software
Answer: C
13. Reusable optical storage will typically have the acronym ………..
(A) CD (B) DVD
(C) ROM (D) RW
Answer: D
14. A ………. is an electronic device that process data, converting it into information.
(A) computer (B) processor
(C) case (D) stylus
Answer: A
15. ……………. is processed by the computer into information.
(A) Data (B) Numbers
(C) Alphabets (D) Pictures
Answer: A
16. File extensions are used in order to ……….
(A) Name the file
(B) Ensure the filename is not lost
(C) Identify the file
(D) Identify the file type
Answer: D
17. The most common type of storage devices are ………….
(A) persistent (B) optical
(C) magnetic (D) flash
Answer: C
18. There are …………. parts to a computer system.
(A) 2 (B) 4
(C) 16 (D) 100
Answer: B
19. During the ………… portion of the Information Processing Cycle, the computer acquires data from some source.
(A) processing (B) storage
(C) input (D) output
Answer: C
20. The ………… tells the computer how to use its components.
(A) utility (B) network
(C) operating system (D) mother board
Answer: C
21. An output device that lets you see what the computer is doing ……………
(A) a disk drive (B) monitor-screen
(C) shift key (D) printer
Answer: B
22. A ………… is an example of an input device.
(A) keyboard (B) monitor
(C) Mouse (D) central processing unit
Answer: A, C
23. A computer cannot "boot" if it does not have the …………..
(A) Compiler (B) Loader
(C) Operating System (D) Assembler
Answer: C
24. Bit in short for ……………
(A) binary system (B) digital byte
(C) binary digit (D) binary unit
Answer: C
25. Powerful key that lets you exit a program when pushed …………….
(A) arrow keys (B) space bar
(C) escape key (D) return key
Answer: C
26. A command that takes what has been typed into the computer and can be seen on the screen and sends it to the printer for output on paper.
(A) print (B) return
(C) jump (D) None of these
Answer: A
27. Which of the following describes the characteristic features of SRAM ?
(A) Cheap but slow
(B) More consumption of power and much costly
(C) Based on transistor - capacitor combination
(D) Low consumption of power
Answer: B
28. Free of cost repair of software bug available at Internet is called …………….
(A) Version (B) Ad-on
(C) Tutorial (D) Patch
Answer: D
29. Which of the following is READ only disc ?
(A) DVD-R (B) DVD-ROM
(C) DVDRW (D) CD-R
Answer: B
30. Which of the following is not a computer language?
(A) High Level Language
(B) Machine Language
(C) Low Level Language
(D) Medium Level Language
Answer: D
31. bit stands for
(A) binary information term (B) binary digit
(C) binary tree (D) Bivariate Theory
Answer: B
32. Which one of the following is not a linear data structure ?
(A) Array (B) Binary Tree
(C) Queue (D) Stack
Answer: B
33. Which one of the following is different from other members ?
(A) Google (B) Windows
(C) Linux (D) Mac
Answer: A
34. Where does a computer add and compare its data ?
(A) CPU (B) Memory
(C) Hard disk (D) Floppy disk
Answer: A
35. Computers on an internet are identified by
(A) e-mail address (B) street address
(C) IP address (D) None of the above
Answer: C
36. Which one of the following is not an Internet Service Provider (ISP) ?
(A) MTNL (B) BSNL
(C) ERNET India (D) Infotech India Ltd.
Answer: D
37. The hexadecimal number system consists of the symbols
(A) 0 – 7 (B) 0 – 9 , A – F
(C) 0 – 7, A – F (D) None of these
Answer: B
38. The binary equivalent of (–15)10 is (2’s complement system is used)
(A) 11110001 (B) 11110000
(C) 10001111 (D) None of these
Answer: A
39. 1 GB is equal to
(A) 230 bits (B) 230 bytes
(C) 220 bits (D) 220 bytes
Answer: B
40. The set of computer programs that manage the hardware/software of a computer is called
(A) Compiler system
(B) Operation system
(C) Operating system
(D) None of these
Answer: C
41. POP3 and IMAP are e-mail accounts in which
(A) One automatically gets one’s mail everyday
(B) One has to be connected to the server to read or write one’s mail
(C) One only has to be connected to the server to send and receive email
(D) One does not need any telephone lines
Answer: C
42. Yahoo was developed by:
(A) Dennis Ritchie and Ken Thompson
(B) Vint Cerf and Robert Kahn
(C) David Filo and Jerry Yang
(D) Steve Case and Jeff Bezos
Answer: C
43. ALU stands for
(A) American Logic Unit (B) Alternate Local Unit
(C) Alternating Logic Unit (D) Arithmetic Logic Unit
Answer: D
44. A Personal Computer uses a number of chips mounted on a circuit board called
(A) Microprocessor (B) System Board
(C) Daughter Board (D) Mother Board
Answer: D
45. S/MIME in Internet technology stands for
(A) Secure Multipurpose Internet Mail Extension
(B) Secure Multimedia Internet Mail Extension
(C) Simple Multipurpose Internet Mail Extension
(D) Simple Multimedia Internet Mail Extension
Answer: A
46. The octal number system consists of the following symbols:
(A) 0 – 7 (B) 0 – 9
(C) 0 – 9, A – F (D) None of the above
Answer: A
47. Which of the following operating system is used on mobile phones ?
(A) Windows Vista (B) Android
(C) Windows XP (D) All of the above
Answer: B
48. If (y)x represents a number y in base x, then which of the following numbers is smallest of all ?
(A) (1111)2 (B) (1111)8
(C) (1111)10 (D) (1111)16
Answer: A
49. High level programming language can be converted to machine language using which of the following ?
(A) Oracle (B) Compiler
(C) Mat lab (D) Assembler
Answer: B
50. HTML is used to create
(A) machine language program (B) high level program
(C) web page (D) web server
Answer: C
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