4320 + Mcqs in Computer Science McqOptions

1.	Which type of processing that produces output results immediately after input data are entered into a computer system
A.	Time-sharing
B.	Interactive
C.	Batch processing
D.	Real-time processing
E.	None of the above
Answer» C. Batch processing

Discussion

2.	A printer in which the characters are embossed on a band is
A.	Dot-matrix
B.	Laser
C.	Golf-ball
D.	Chain
E.	None of the above
Answer» E. None of the above

Discussion

3.	A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A.	Light pen
B.	Optical-wand
C.	Plotter
D.	All of the above
E.	None of the above
Answer» C. Plotter

Discussion

4.	A computer program that instructs other programs to perform a particular type of operation is
A.	System software
B.	Application program
C.	Compiler
D.	Interpreter
E.	None of the above
Answer» B. Application program

Discussion

5.	A hard copy would be prepared on a
A.	Line printer
B.	Dot matrix printer
C.	Type writer terminal
D.	Plotter
E.	All of the above
Answer» F.

Discussion

6.	Which was the world's first minicomputer and when was it introduced?
A.	PDP-1, 1958
B.	1MB System/36, 1960
C.	PDP-11 1961
D.	VAX 11/780, 1962
E.	None of the above
Answer» B. 1MB System/36, 1960

Discussion

7.	An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as
A.	Punched card
B.	Touch pad
C.	Punched paper tape
D.	Magnetic disk
E.	None of the above
Answer» C. Punched paper tape

Discussion

8.	Pictures or drawings, typically displayed on a VDU to allow users to select program options is called
A.	HIPO charts
B.	Icons
C.	Graphics
D.	Network
E.	None of the above
Answer» C. Graphics

Discussion

9.	A monitor looks like a TV set but it does not
A.	Receive TV signals
B.	Give a clear picture
C.	Give a steady picture
D.	Display graphics
E.	None of the above
Answer» B. Give a clear picture

Discussion

10.	The earliest device that qualifies as a digital computer is
A.	EDSAC
B.	Abacus
C.	ENIAC
D.	EDVAC
E.	None of the above
Answer» C. ENIAC

Discussion

11.	One million bytes of information is abbreviated as
A.	Bit
B.	MB
C.	KB
D.	GB
E.	None of the above
Answer» C. KB

Discussion

12.	Which of the following programs give instructions about operations inside the computer
A.	System software
B.	Application
C.	Utility id) Compiler
D.	None of the above
Answer» B. Application

Discussion

13.	The magnetic disks and drums are like recirculating shift registers because
A.	they have about the same storage capacity
B.	their storage is non volatile
C.	their access times are about the same
D.	stored data is available for reading over and over again in the same order.
E.	None of the above
Answer» E. None of the above

Discussion

14.	Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
A.	Access
B.	Cycle
C.	Hold
D.	Delay
E.	None of the above
Answer» D. Delay

Discussion

15.	Which of the following is also known as SOROBAN
A.	ENIAC
B.	Abacus
C.	EDSAC
D.	UNIVAC
E.	None of the above
Answer» C. EDSAC

Discussion

16.	A repository for data, usually covering specific topic is
A.	Database
B.	Data requisition
C.	Databank
D.	Data collection
E.	None of the above
Answer» D. Data collection

Discussion

17.	The disadvantage of dynamic RAM over static RAM is
A.	higher power consumption
B.	variable speed
C.	need to refresh the capacitor charge every once in two milliseconds
D.	higher bit density
E.	None of the above
Answer» D. higher bit density

Discussion

18.	Which of the following is true concerning personal computers?
A.	They decrease the demand for mainframe computers
B.	They have been most successful in the home
C.	The electronic spreadsheet has been a primary reason for their popularity
D.	Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
E.	None of the above
Answer» D. Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes

Discussion

19.	A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as
A.	Machine-in-built computer
B.	Super computer
C.	Micro computer
D.	Mini computer
E.	None of the above
Answer» D. Mini computer

Discussion

20.	There are historical evidences to prove that abacus was first used in
A.	India
B.	Japan
C.	China
D.	Indonesia
E.	None of the above
Answer» D. Indonesia

Discussion

21.	A class of random access memory that requires periodic servicing in order for the contents to remain valid is
A.	Static RAM
B.	Dynamic RAM
C.	PROM
D.	EPROM
E.	None of the above
Answer» C. PROM

Discussion

22.	Which of the following term is used in connection with the organisation of files in ALGOL 68
A.	Blow
B.	Machine
C.	Biquinary
D.	Book
E.	None of the above
Answer» E. None of the above

Discussion

23.	The methods used by COBOL to define that structure of a data item in terms of characters, digits, etc. is
A.	Password
B.	Pointer
C.	Picture
D.	Overlay
E.	None of the above
Answer» D. Overlay

Discussion

24.	Which of the following transfers data contained on computer cards to the computer system.
A.	Card sorter
B.	Card reader
C.	Magnetic disk
D.	Magnetic tape
E.	None of the above
Answer» C. Magnetic disk

Discussion

25.	The difference between memory and storages is that memory is _____ and storage is _____
A.	Temporary, permanent
B.	Permanent, temporary
C.	Slow, fast
D.	AH of the above
E.	None of the above
Answer» B. Permanent, temporary

Discussion

26.	A type of instruction that can produce several lines of machine language code is a
A.	Mnemonic
B.	Address
C.	Macro
D.	assemble
E.	None of the above
Answer» D. assemble

Discussion

27.	A common use of computer in office is for
A.	Distributed
B.	Word processing
C.	Data
D.	All of the above
E.	None of the above
Answer» C. Data

Discussion

28.	The imitation of one device or system by another is
A.	Simulation
B.	Emulation
C.	Resilience
D.	Compaction
E.	None of the above
Answer» C. Resilience

Discussion

29.	A type of semiconductor memory that usually has small capacity but very fast access is
A.	PROM
B.	RAM
C.	Scratchpad
D.	ROM
E.	None of the above
Answer» D. ROM

Discussion

30.	Third generation computers
A.	were the first to use built-in error detecting devices
B.	used transistors instead of vacuum tubes
C.	were the first to use neural network
D.	All of the above
E.	None of the above
Answer» F.

Discussion

31.	Which system was developed by Rank-Xeron for use with office computers and other equipment.
A.	UNIX
B.	ETHERNET
C.	PC-DOS
D.	MS-DOS
E.	None of the above
Answer» C. PC-DOS

Discussion

32.	Bubble memory is a
A.	Sequential access device only
B.	Direct access device only
C.	Combination of sequential and direct access devices
D.	All of the above
E.	None of the above
Answer» D. All of the above

Discussion

33.	Any method for controlling access to or use of memory is known as
A.	Memory map
B.	Memory protection
C.	Memory management
D.	Memory instruction
E.	None of the above
Answer» C. Memory management

Discussion

34.	What is the storage capacity of a Hollerith card which is organized into nibbles?
A.	32
B.	64
C.	128
D.	240
E.	None of the above
Answer» E. None of the above

Discussion

35.	Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?
A.	Interactive processing
B.	Sequential processing
C.	Batch processing
D.	Group processing
E.	None of the above
Answer» B. Sequential processing

Discussion

36.	Which of the following is considered a direct-entry input device?
A.	optical scanner
B.	mouse
C.	light pen
D.	digitizer
E.	All of the above
Answer» F.

Discussion

37.	A physical connection between the microprocessor memory and other parts of the microcomputer is known as
A.	Path
B.	Address bus
C.	Route
D.	All of the above
E.	None of the above
Answer» C. Route

Discussion

38.	Which hole is used to mark the location of the first sector in a soft-sectored disk.
A.	Address
B.	Location
C.	Index
D.	Label
E.	None of the above
Answer» D. Label

Discussion

39.	The range of frequencies available for data transmission is known as
A.	Baud
B.	Bandwidth
C.	Byte
D.	Bits
E.	None of the above
Answer» C. Byte

Discussion

40.	Full adder has
A.	4 inputs
B.	8 inputs
C.	10 inputs
D.	3 inputs
E.	. None of the above
Answer» E. . None of the above

Discussion

41.	Which major development led to the production of microcomputers?
A.	Magnetic disks
B.	Floppy disks
C.	Logic gates
D.	Integrated circuits
E.	None of the above
Answer» E. None of the above

Discussion

42.	The first computer made available for commercial use was
A.	Mark-I
B.	ENIAC
C.	EDSAC
D.	UNIVAC
E.	None of the above
Answer» E. None of the above

Discussion

43.	In which mode, each user has a local input/output device.
A.	Interactive
B.	Time sharing mode
C.	Batch processing mode
D.	All of the above
E.	None of the above
Answer» C. Batch processing mode

Discussion

44.	Which is a Common-Business oriented language.
A.	SNOBOL
B.	BASIC
C.	COBOL
D.	C
E.	None of the above
Answer» D. C

Discussion

45.	Software instructions intended to satisfy a user's specific processing needs are called _____.
A.	Systems software
B.	A microcomputer
C.	Documentation
D.	Applications software
E.	All of the above
Answer» E. All of the above

Discussion

46.	A six - digit card field used for postal ZIP codes is defined as
A.	A letter field
B.	An alphabetic field
C.	A numeric field
D.	An alphanumeric field
E.	None of the above
Answer» D. An alphanumeric field

Discussion

47.	The octal equivalent of the number 11010.1011 is
A.	32.54
B.	63.51
C.	32.27
D.	All of the above
E.	None of the above
Answer» B. 63.51

Discussion

48.	Super-computers
A.	Are found at thousands of sites around the world
B.	Can now fit on a single silicon chip
C.	Are usually designed to process accounting applications
D.	Are not fast enough for some applications
E.	None of the above
Answer» E. None of the above

Discussion

49.	A special type of device which uses an ordinary telephone with a computer is
A.	Light pen
B.	Mouse
C.	Acoustic couple
D.	Touch panel
E.	None of the above
Answer» D. Touch panel

Discussion

50.	The first electronic general purpose digital computer built by Mauchly and Eckert called ENIAC did not work on the stored program principle. How many numbers could it store in its internal memory?
A.	100
B.	20
C.	40
D.	80
E.	None of the above
Answer» C. 40

Discussion

Explore topic-wise MCQs in Testing Subject.

Which type of processing that produces output results immediately after input data are entered into a computer system

A printer in which the characters are embossed on a band is

A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

A computer program that instructs other programs to perform a particular type of operation is

A hard copy would be prepared on a

Which was the world's first minicomputer and when was it introduced?

An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as

Pictures or drawings, typically displayed on a VDU to allow users to select program options is called

A monitor looks like a TV set but it does not

The earliest device that qualifies as a digital computer is

One million bytes of information is abbreviated as

Which of the following programs give instructions about operations inside the computer

The magnetic disks and drums are like recirculating shift registers because

Which of the following time will normally be determined by the requirements of the device to which the transfer is being made

Which of the following is also known as SOROBAN

A repository for data, usually covering specific topic is

The disadvantage of dynamic RAM over static RAM is

Which of the following is true concerning personal computers?

A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as

There are historical evidences to prove that abacus was first used in

A class of random access memory that requires periodic servicing in order for the contents to remain valid is

Which of the following term is used in connection with the organisation of files in ALGOL 68

The methods used by COBOL to define that structure of a data item in terms of characters, digits, etc. is

Which of the following transfers data contained on computer cards to the computer system.

The difference between memory and storages is that memory is _____ and storage is _____

A type of instruction that can produce several lines of machine language code is a

A common use of computer in office is for

The imitation of one device or system by another is

A type of semiconductor memory that usually has small capacity but very fast access is

Third generation computers

Which system was developed by Rank-Xeron for use with office computers and other equipment.

Bubble memory is a

Any method for controlling access to or use of memory is known as

What is the storage capacity of a Hollerith card which is organized into nibbles?

Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?

Which of the following is considered a direct-entry input device?

A physical connection between the microprocessor memory and other parts of the microcomputer is known as

Which hole is used to mark the location of the first sector in a soft-sectored disk.

The range of frequencies available for data transmission is known as

Full adder has

Which major development led to the production of microcomputers?

The first computer made available for commercial use was

In which mode, each user has a local input/output device.

Which is a Common-Business oriented language.

Software instructions intended to satisfy a user's specific processing needs are called _____.

A six - digit card field used for postal ZIP codes is defined as

The octal equivalent of the number 11010.1011 is

Super-computers

A special type of device which uses an ordinary telephone with a computer is

The first electronic general purpose digital computer built by Mauchly and Eckert called ENIAC did not work on the stored program principle. How many numbers could it store in its internal memory?

The difference between memory and storages is that memory is _ and storage is _