Computer Important MCQ
Computer Important MCQ
1. What is the meaning of an Intelligent terminal
(a) has a microprocessor, but can't be programmed by the user
(b) interacts with the user in English
(c) can process small data processing jobs, with the use of CPU
(d) cannot take data / information from the user
Ans: (a)
2. Windows 7, the latest operating system from Microsoft Corporation has................ Indian languages fonts.
(a) 14 (b) 36 (c) 27 (d) 49
Ans: (d) 49
3. Processor's speed of a computer is measured in
(SSC CGL 2nd Sit. 2010)
(a) Hertz (b) MIPS (c) Baud (d) BPS
Ans: b)MIPS
4. 'C' language is a (SSC CGL 2nd Sit. 2010)
(a) Assembly level language
(b) High level language
(c) Machine level language
(d) Low level language
Ans: (b) High level language
5. Which of the following is not an extension of a picture file on a computer? (a) .jpeg (b) .gif(c) .png(d) .mdb
Ans: .mdb
6. Which is the first Computer made for commercial use?
(a) EDSAC(b) ENIAC (c) UNIVAC (d) MANIAC
Ans: UNIVAC
7. A communication network which is used by large organizations over regional, national or global area is called: 7.
(SSC CGL 1st Sit. 2011)
(a) VAN (b) WAN (c) MAN (d) LAN
Ans: WAN
8. In which of the following areas, a spreadsheet software is more useful?
(SSC CGL 2nd Sit. 2011)
(a) Message sending (b) Publishing (c) Statistics (d) Psychology
Ans: (c)
9. What is the meaning of a Group Ware?
(a) Hardware
(b) Network
(c) Software
(d) Firmware
Ans: Software
10. Which of the following is used to transfer data from the CPU to the peripheral devices of the computer?
(a) interfaces (b) buffer memory (c) modems (d) computer ports
Ans: (a)
11. Which of these items is not used in Local Area Networks (LANs)? (SSC CGL 1st Sit. 2012)
(a) Interface Card
(b) Cable
(c) Computer
(d) Modem
Ans: (a) Interface card
12. What is m-commerce? (SSC CGL 2nd Sit. 2012)
(a) machine commerce
(b) mobile commerce
(c) money commerce
(d)marketing commerce
Ans: (b) Mobile commerce
13. Who invented the modem? (SSC CGL 1st Sit. 2012)
(a) Apple Computers Inc.
(b) Digital Equipment Corporation
(c) Wang Laboratories Ltd.
(d) AT&T Information Systems
Ans:(d)
14. The name given to the smallest unit of data space available in a spreadsheet software application is (SSC CGL 1st Sit. 2012)
(a) Row (b) Block (c) Cell (d) Pixel
Ans: (c)
15. What is an alternative name for a fully interconnected network topology?
(a) Mesh (b) Tree (c) Star (d) Ring
Ans: (a)
16. Communication satellites are used to :(SSC CGL 1st Sit. 2013)
(a) transmit communication signal only
(b) receive communication signal only
(c) receive and redirect communication signal
(d) provide information of resources only
Ans: (c)
17. Which type of information system is recognized by a digital circuit?
(a) Hexadecimal system (b) Binary system (c) Both hexadecimal and binary system (d) Only Roman system
Ans: (b)
18. Which of these is an impact printer?
(a) Daisy wheel printer (b) Ink jet printer (c) Bubble jet printer (d) Laser printer
Ans: (a)
19. What are the characteristics of a television channel?
(a) frequency of transmitted signal (b) physical dimension of television screen (c) velocity of transmitted signal (d) size of picture tube
Ans: (A)
20. FACEBOOK, No 1 Social Networking site, it's founder is?
(a) Orkut Buyukkokten (b) Mark Zuckerberg (c) Martin Cooper (d) Bill Gates
Ans: (b)
21. Which of the following computer was the first to use magnetic drums for memory?
(a) IBM-650 (b) IBM-360 (c) IBM-701 (d) IBM-7090
Ans: (a)
22. Identify the FIFO i.e. first in first out structure from the following:
(a) Stack (b) De-queue (c) Queue (d) Array Ans: (c)
23. Which was the first electronic computer build at the Moore School of Engineering? (SSC CGL 1st Sit. 2013)
(a) EOVAC (b) ONIVAC (c) ENIAC (d) EDSAC
Ans: ENIAC
24. Which of the following standard protocols is most widely used by the Internet? (SSC CGL 1st Sit. 2013)
(a) SMTP (b) TCP/IP (c) HTTP (d) SLIP
Ans: (b) TCP/ IP
25. Who among the following launched the world's first laptop computer in the market?
(SSC CGL 2014)
(a) HP (b) Epson (c) Laplink travelling software Inc (d) Microsoft
Ans: (b) EPSON
26. What is used to identify whether a data word contains an odd or even number?
(a) Sign bit (b) Parity bit (c) Zero bit (d) Carry bit
Ans: (b) Parity bit
27. To rearrange and allocate space in memory to provide multiple computing functions is called
(a) Multiprogramming
(b) Multitasking
(c) Memory Management
(d) Networking
Ans: (b) Multitasking
28. A computer executes programs in the sequence of:
(a) Decode, Fetch, Execute
(b) Execute, Fetch, Decode
(c) Fetch, Decode, Execute
(d) Store, Fetch, Execute
Ans: (C) Fetch, Decode, Execute
29. Which of these is in the ascending order of the Data hierarchy? (SSC CGL 1st Sit. 2015)
(a) Byte-Bit-File - Record - Field - Database
(b) Field-Byte-Bit-Record - File- Database
(c) Bit-Byte-Field-Record - File- Database
(d) Bit-Byte - Field - Record - Database - File
Ans: (C) Bit-Byte-Field-Record - File- Database
30. What is the data in the database at a particular point in time called?
(a) Application
(b) Back up
(c) Extension
(d) Intension
Ans: (c) Extension
31. What is another name for CPU scheduler?
(a) Job Scheduler
(b) Resource Scheduler
(c) Short-term Scheduler
(d) Process Scheduler
Ans: (c) Short-term Scheduler
32. Which of the these is not an operating system? (SSC CGL 1st Sit. 2016)
(a) Android
(b) Vista
(c) iOS
(d) Opera
Ans : (d) Opera
33. In IT, the technique of temporarily delaying outgoing acknowledgment is known as
(a) AR Acknowledgement
(b) AR request
(c) Piggybacking
(d) Piggyframing
Ans: (c) Piggybacking
34. CPU performance is often measured in:
(a) MHz (b) MIPS (c) Band rate (d) GB
Ans: (a) MHz
35. The indentations on CDs and DVDs are called: (SSC CHSL 2012)
(a) clusters (b) lands (c) pits (d) tracks
Ans: (c) pits
36. Programs which protect a disk from an infection are called as : (SSC CHSL 2012)
(a) Vaccines
(b) Antidotes
(c) Interpreters
(d) Library routines
Ans: (b)
37. A nibble is equal to
(a) 16 (b) 32 (c) 4 (d) 8
Ans: (c) 4
38. In HTML, tags consists of keywords enclosed within (SSC CHSL 2013)
(a) flower brackets {}
(b) angular brackets
(c) parentheses ()
(d) square brackets []
Ans: (b) angular brackets
39. Which of the following Printers cannot print more than one character at a time.
(a) Line (b) Daisy-wheel (c) Laser (d) Dot-matrix
Ans: (d) Dot-matrix
40. The waste generated by end life personal computers is known as (SSC CHSL 2013)
(a) E-waste
(b) PC-waste
(c) Physical waste
(d) Computer waste
Ans: (a) E-waste
41. Telnet stands for
(a) Telephone Network
(b) Television Network
(c) Teletype Network
(d) Telefax Network
Ans: (c) Teletype Network
42. Round Robin Scheduling in a operating system means: (SSC CHSL 2015)
(a) A kind of scheduling
(b) A process allocation policy
(c) A memory allocation policy
(d) Repetition policy
Ans (a) A kind of scheduling
43. FORTRAN is called: (SSC CHSL 2013)
(a) Floppy Translator
(b) Formula Translator
(c) File Translator
(d) Format Translator Ans: (b) Formula Translator
44. All forms of ROM are also known as (SSC CHSL 2015)
(a) Middleware
(b) Firmware
(c) Shareware
(d) Freeware
Ans: (b) Firmware
45. The Simplest CPU scheduling algorithm is (SSC CHSL 2015)
(a) Round-robin scheduling algorithm
(b) Multilevel scheduling algorithm
(c) SJF scheduling algorithm
(d) FCFS scheduling algorithm
Ans: (d)
46. In MS-Excel,___provide a visual representation of the values in a worksheet. (SSC Multitasking 2013)
(a) Views (b) Charts (c) Formulae (d) Templates Ans: (b) Charts
47. Image files can be sent along with the e-mail documents using (SSC Multitasking 2014)
(a) Attachments
(b) Subject
(c) Signature
(d) CC&BCC
Ans: (a) Attachments
48. The invention of_____led to the third generation of computers. (SSC Multitasking 2014) (a) Vacuum tubes (b) Very Large Scale Integration (VLSI) (c) Transistors (d) Integrated chips
Ans: (d)
49. In a____network, all devices are connected to a device called a hub and they communicate through it. (SSC Multitasking 2014) (a) Ming (b) Mesh (c) Bus (d) Star
Ans: (d) Star
50. Which one of the following acts as a mediator between the user's program and the hardware? (SSC Sub. Ins. 2012) (a) Compiler (b) Editor (c) Browser (d) Operating System
Ans : (d) OS
51. The World's first mass-market laptop computer introduced by? (a) Lenovo. (b) HP (c) Toshiba (d) Interl
Ans: (C) Toshiba
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