Computer science question and answers - competitive exam questions
Computer science questions
Competitive exam questions with answer
No: 1
Q. Bit means Binary Digit 0 OR 1
A. Economic and Social Commission
No: 2
Q. 1 nibble = 4 bits
A. European Comman Market
No: 3
Q. Half byte = 1 nibble
A. Economic Commission for Latin America
No: 4
Q. 1 byte = 8 bits Or 2 nibbels
A. Economic Commission of Europe
No: 5
Q. 1 kilo byte = 1024 bytes
A. Economic Commission for Asia and the Far East
No: 6
Q. 1 mega byte = 1024 KB
A. Centre of Indian Trade Union
No: 7
Q. 1 Giga byte = 1024 MB
A. Central Intelligence Agency
No: 8
Q. A combination of 16 bits are called word.
A. Central Treaty Organization
No: 9
Q. 1 terabyte = 1 trillion bytes OR 1024 GB
A. Central Bureau of Investigation
No: 10
Q. Our PC belongs to 4th generation
A. Association of South - East Asian Nations
No: 11
Q. C++ is a High level language
A. All India Trade Union Congress
No: 12
Q. For scientific calculations FORTRAN language is used
A. All India Congress Committee
No: 13
Q. Programming language is the set of rules that tells the computer what operation to perform
A. Asian Development Bank
No: 14
Q. Fred Cohen coined the word computer virus
A. European Defence Community
No: 15
Q. First computer virus was created in 1970 at Bell laboratories
A. European Economic Community
No: 16
Q. WORM means Write Once Read Many
A. Food and Agriculture Organization
No: 17
Q. Computer's processor consists of Control Unit and ALU
A. Federal Bureau of Investigation
No: 18
Q. Main memory works in conjuction with CPU
A. General Agreement on Tariff and Trade
No: 19
Q. The primary goal of a computer is to turn data into information
A. Gorkha National Liberation Front
No: 20
Q. The first computer was programmed using Machine language
A. International Atomic Energy Agency
No: 21
Q. Digital computers use a binary system to encode date and programs.
A. International Air Transport Association
No: 22
Q. Ctrl, Shift and Alt are called modifier keys.
A. International Bank of Reconstruction & Development
No: 23
Q. Network congestion occurs in case of traffic overloading
A. International Civil Aviation Organization
No: 24
Q. A list of protocols used by a system, one protocol per layer, is called protocol stack
A. International Development Association
No: 25
Q. A router is a device that forwards packets between networks by processing the routing information included in the packet
A. Assam Gana Parishad
No: 26
Q. Bluetooth is an example of personal area network
A. All Assam Students'Union
No: 27
Q. When collection of various computers seems a single coherent system to its client, then it is called distributed system
A. Gana Sangram Parishad
No: 28
Q. Transmission media that has the highest transmission speed in a network is optic fiber
A. International Finance Corporation
No: 29
Q. GUI stands for Graphical User Interface
A. International Labour Organization
No: 30
Q. FTP stand for File transfer protocol
A. International Monetary Fund
No: 31
Q. During World War II, IBM built the computers the Nazis used to manage their death/concentration camps
A. Indian National Trade Union Congress
No: 32
Q. All of the logic and mathematical calculations done by the computer happen in/on the central processing unit
A. International Police
No: 33
Q. Power of a super computer is measured in FLOPS (Floating Point Operations per Second)
A. International Tele - Communications Union
No: 34
Q. WWW/http: (hypertext transfer protocol) was created by Tim Burner Lee in 1992
A. International Refugee Organization
No: 35
Q. Intel means Integrated Electronics
A. Komitet Gosudarstvennoy Bizo Pasnosti
No: 36
Q. 1 worksheet contains 256 columns
A. Liberation Tigers of Tamil Eelam
No: 37
Q. G.W.Basic G.W stands for Gate Way
A. Maintenance of Internal Security Act
No: 38
Q. Super Computer was created by J.H.Van Tassel
A. Organization for Economic Co - operation
No: 39
Q. CORBA is Common Object Request Broker Architecture
A. North Atlantic Treaty Organization
No: 40
Q. URL is Uniform or Universal Resource Locator
A. Prisoner of War
No: 41
Q. Intel invented RAM chip
A. Strategic Arms Limitation Talks
No: 42
Q. Information stored on disk as series of bumps on its shiny side.
A. South - East Asia Defence Organization
No: 43
Q. DVDs hold more information than CDs. They use smaller bumps and have two reflective layers
A. South - East Asia Treaty Organization
No: 44
Q. Recordable CDs do not have bumps. There are patches of color on disk to change the reflected laser light
A. Technical Assistance Board
No: 45
Q. In 1951 Univac – 1, the world‘s first commercial computer was designed by John Mauchly and J. Presper Eckert. They built ENIAC, the first electronic computer in 1946
A. Tripura National Volunteers
No: 46
Q. In 1968 mainframe was built.
A. United Nations Commission for Asia and East
No: 47
Q. In 1976 first supercomputer the Cray - 1 was developed
A. Tamil United Liberation Front
No: 48
Q. In 1981 IBM produce the IBM PC.
A. United Nation Conference on Trade & Devt
No: 49
Q. In 1998 IBM made quantum computer
A. World Meteorological Organization
No: 50
Q. Super computers uses parallel processing
A. World Health Organization
No: 51
Q. In 1974, computer games were introduced
A. World Federation of Trade Unions
No: 52
Q. PROM is the abbreviation of programmable read only memory
A. Universal Postal Union
No: 53
Q. What was the world‘s first high level programming language 1957: IBM FORTRAN
A. United Nations Organization
No: 54
Q. A JPEG is a picture file format - what does JPEG stand for: Joint Photographic Experts Group
A. United Nations Industrial Development Org
No: 55
Q. Registers are temporary storage areas within the CPU.
A. United Nations Int. Children's Emergency Fund
No: 56
Q. First apple computer was built in garage.
A. United Nations Educational, Scientific & Cultural Organization
No: 57
Q. The language of small talk is object oriented.
A. United Nations Development Programme
No: 58
Q. Shell is an operating environment.
A. Strategic Defence Initiative
No: 59
Q. Virtual memory is also known as virtual page.
A. Commonwealth Heads of Government Meeting
No: 60
Q. NOS refer to operating systems for a network.
A. United States Information Service
No: 61
Q. In EBCDIC each character is denoted by 8 bits.
A. Non - aligned Movement
No: 62
Q. Diodes are used in analog computer circuits as limiter.
A. South Asian Association of Regional Cooperation
No: 63
Q. Wetware stands for any organic intelligence.
A. Conservation of Foreign Exchange and Prevention of Smuggling Act
No: 64
Q. GIGO stands for garbage in garbage out.
A. Balance of Payment
No: 65
Q. Application of flip - flap are counters, shift register and transfer register.
A. Foreign Exchange Regulation Act
No: 66
Q. Bootstrap is associated with computer.
A. Foreign Exchange Conservation Travel Tax
No: 67
Q. FORTRAN stands for formula translator.
A. African National Congress
No: 68
Q. A group of character that is termed as a single entity is called word.
A. Council for Mutual Economic Assistance
No: 69
Q. Clip art is a computer prepared art.
A. Criminal Investigation Department
No: 70
Q. Mark sensing is another term for OMR.
A. Housing & Urban Development Corporation
No: 71
Q. Authorization to make multiple software copies is called site licensing.
A. Head Of Department
No: 72
Q. Antivirus is also known as vaccines.
A. Palestine Liberation Organization
No: 73
Q. Free software is also known as public domain software.
A. Press Trust of India
No: 74
Q. In computer DFD stands for Data Flow Diagram.
A. Research & Analysis Wing
No: 75
Q. Cyber Space is called to Virtual world of the computer.
A. South - West African People's Organization
No: 76
Q. What does the sun in SUN Microsystems stand for Stanford University Network
A. European Space Agency
No: 77
Q. What does Intel stand for - Integrated Electronics
A. Economic and Social Commission for Asia and the Pacific
No: 78
Q. All PCs have a BIOS what does bios stand for - Basic Input Output System
A. Essential Services Maintenance Act
No: 79
Q. What is the common name for an integrated circuit A Chip
A. International Confederation of Free Trade Unions
No: 80
Q. In WWW terms what does i.e. mean on a domain name - Ireland
A. International Committee of the Red Cross
No: 81
Q. What company introduced the first commercial minicomputer 65 DEC
A. Industrial Development Bank of India
No: 82
Q. Name the first web browser publicly available NCSA Mosaic
A. International Fund for Agricultural Devt
No: 83
Q. The world‘s most powerful super computer is called ASCI white.
A. Integrated Programme for Action
No: 84
Q. The B - programming language was developed by Ken Thompson.
A. India Tourism Development Corporation
No: 85
Q. The 1st commercially produced and sold computer (1951) was UNIVAC.
A. International Trade Organisation
No: 86
Q. The transformation from heavy computers to PCs was made possible using microprocessors.
A. International Year of Shelter for Homeless
No: 87
Q. The first microprocessor was developed in 1971 by Intel.
A. Life Insurance Corporation
No: 88
Q. A pentium 4 (P - 4) employs roughly 40 million transistors.
A. Monopolice and Restrictive Trade Practices Commission
No: 89
Q. Mark - 1, Apple - 1, and collossus were initial desktop computers.
A. National Bank for Agriculture & Rural Devt
No: 90
Q. The first home computer (1977), which was sold in millions of units was Apple II.
A. National Council of Educational Research and Training
No: 91
Q. PARAM‘ is a supercomputer.
A. National Defence Academy
No: 92
Q. Father of the Computer..Charles Babbage
A. North East Frontier Agency