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2100+ Important Computer MCQs For Competitive Exams part-1 Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Common Topics in Competitive and Entrance exams , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .

201.

A computer assisted method for the recording and analyzing of existing or hypothetical systems is

A. Data transmission
B. Data flow
C. Data capture
D. Data Processing
E. None of these
Answer» B. Data flow
202.

What difference does the 5th generation computer have from other generation computers?

A. Technological advancement
B. Scientific code
C. Object Oriented Programming
D. All of these
E. None of these
Answer» A. Technological advancement
203.

Which of the following computer language is used for artificial intelligence?

A. FORTRAN
B. PROLOG
C. C
D. COBOL
E. None of these
Answer» B. PROLOG
204.

The tracks on a disk which can be accused without repositioning the R/W heads is

A. Surface
B. Cylinder
C. Cluster
D. All of these
E. None of these
Answer» B. Cylinder
205.

Which part interprets program instructions and initiate control operations.

A. Input
B. Storage Unit
C. Logic Unit
D. Control Unit
E. None of these
Answer» D. Control Unit
206.

The binary system uses powers of

A. 2
B. 10
C. 8
D. 16
E. None of these
Answer» B. 10
207.

A computer program that converts assembly language to machine language is

A. Compiler
B. Interpreter
C. Assembler
D. Comparator
E. None of these
Answer» C. Assembler
208.

The time required for the fetching and execution of one simple machine instruction is

A. Delay Time
B. CPU cycle
C. Real Time
D. Seek time
E. None of these
Answer» B. CPU cycle
209.

The time for which a piece of equipment operates is called

A. Seek time
B. Effective time
C. Access time
D. Real time
E. None of these
Answer» B. Effective time
210.

Binary numbers need more places for counting because

A. They are always big numbers
B. Any no. of 0’s can be added in front of them
C. Binary base is small
D. 0’s and 1’s have to be properly spaced apart
E. None of these
Answer» C. Binary base is small
211.

Which access method is used for obtaining a record from a cassette tape?

A. Direct
B. Sequential
C. Random
D. All of these
E. None of these
Answer» B. Sequential
212.

Any type of storage that is used for holding information between steps in its processing is

A. CPU
B. Primary storage
C. Intermediate storage
D. Internal storage
E. None of these
Answer» C. Intermediate storage
213.

A name applied by Intel corp. to high speed MOS technology is called

A. HDLC
B. LAP
C. HMOS
D. SDLC
E. None of these
Answer» C. HMOS
214.

A program component that allows structuring of a program in an unusual way is known as

A. Correlation
B. Coroutine
C. Diagonalization
D. Quene
E. None of these
Answer» B. Coroutine
215.

The radian of a number system

A. Is variable
B. Has nothing to do with digit position value
C. Equals the number of its distinct counting digits
D. Is always an even number
E. None of these
Answer» C. Equals the number of its distinct counting digits
216.

The section of the CPU that selects, interprets and sees to the execution of program instructions

A. Memory
B. Register Unit
C. Control Unit
D. ALU
E. None of these
Answer» C. Control Unit
217.

Which type of system puts the user into direct conversation with the computer through a keyboard?

A. Real time processing
B. Interactive computer
C. Batch Processing
D. Time Sharing
E. None of these
Answer» B. Interactive computer
218.

The term referring to evacuating the content of some part of the machine is known as

A. Dump
B. Enhancement
C. Down
D. Compiler
E. None of these
Answer» A. Dump
219.

The process of communicating with a file from a terminal is

A. Interactive
B. Interrogation
C. Heuristic
D. All of these
E. None of these
Answer» B. Interrogation
220.

A common boundary between two systems is called

A. Interdiction
B. Interface
C. Surface
D. Median
E. None of these
Answer» B. Interface
221.

Which computer has been designed to be as compact as possible?

A. Mini
B. Super computer
C. Micro computer
D. Mainframe
E. None of these
Answer» C. Micro computer
222.

A general purpose single-user micro- computer designed to be operated by one person at a time is

A. Special-purpose computer
B. KIPS
C. M
D. PC
E. None of these
Answer» D. PC
223.

Which device of computer operation dispenses with the use of the keyboard?

A. Joystick
B. Light pen
C. Mouse
D. Touch
E. None of these
Answer» C. Mouse
224.

A program that is employed in the development, repair or enhancement of other programs is known as

A. System software
B. Software tool
C. Applications program
D. Utility program
E. None of these
Answer» B. Software tool
225.

Which output device is used for translating information from a computer into pictorial form on paper.

A. Mouse
B. Plotter
C. Touch Panel
D. Card punch
E. None of these
Answer» B. Plotter
226.

The list of coded instruction is called

A. Computer program
B. Algorithm
C. Flow chart
D. Utility programs
E. None of these
Answer» A. Computer program
227.

An optical input device that interprets pencil marks on paper media is

A. O.M.R
B. Punch card reader
C. Optical scanners
D. Magnetic tape
E. None of these
Answer» A. O.M.R
228.

Data divisions the third division of a             program.

A. COBOL
B. BASIC
C. PASCAL
D. FORTH
E. None of these
Answer» A. COBOL
229.

A program that converts computer data into some code system other than the normal one is known as

A. Encoder
B. simulation
C. Emulator
D. Decoder
E. None of these
Answer» A. Encoder
230.

A hybrid computer uses a……….to convert digital signals from a computer into analog signals.

A. Modulator
B. Demodulator
C. Modem
D. Decoder
E. None of these
Answer» C. Modem
231.

Any device that performs signal conversion is

A. Modulator
B. Modem
C. Keyboard
D. Plotter
E. None of these
Answer» A. Modulator
232.

A type of channel used to connect a central processor and peripherals which uses multiplying is known as

A. Modem
B. Network
C. Multiplexer
D. All of these
E. None of these
Answer» C. Multiplexer
233.

The complete picture of data stored in database is known as

A. Record
B. Schema
C. System flowchart
D. DBMS
E. None of these
Answer» B. Schema
234.

A language which is close to that used within the computer is

A. High-level language
B. Assembly language
C. Low-level language
D. All of these
E. None of these
Answer» C. Low-level language
235.

Which is a unit representing the no bits of discrete

A. Baud
B. Byte
C. Bit
D. All of these
E. None of these
Answer» A. Baud
236.

The device that can both feed data into and accept data from a computer is

A. ALU
B. CPU
C. Input-Output device
D. All of these
E. None of these
Answer» C. Input-Output device
237.

A modern digital computer has

A. Extremely high speed
B. Large memory
C. Almost unlimited array
D. All of these
E. None of these
Answer» D. All of these
238.

Which of the following can store information in the form of microscopic pits on metal disks.

A. Laser disks
B. Tape cassettes
C. RAM cartridge
D. Punched cards
E. None of these
Answer» A. Laser disks
239.

A storage system for small amounts of data is

A. Magnetic card
B. Magnetic tape
C. Punched card
D. Optical mark reader
E. None of these
Answer» D. Optical mark reader
240.

Compilers and interpreters are themselves

A. High-level language
B. Codes
C. Programs
D. Mnemonics
E. None of these
Answer» C. Programs
241.

A compiler means

A. A person who compiles source programs
B. The same thing as a programmer
C. Keypunch operator
D. A program which translates source program into object program
E. None of these
Answer» D. A program which translates source program into object program
242.

Compression of digital data for efficient storage is

A. Buffer
B. CPU
C. Packing
D. Field
E. None of these
Answer» C. Packing
243.

Which programming language is based on Algol 60.

A. PILOT
B. SNOBOL
C. ADA
D. SIMULA
E. None of these
Answer» D. SIMULA
244.

A path by which communication is achieved between a central processor and other devices is called.

A. Audit trail
B. Network
C. Bus
D. Channel
E. None of these
Answer» C. Bus
245.

A stand-alone system which produces one page of printed output at a time is

A. Page printer
B. Line printer
C. Laser printer
D. Dot matrix printer
E. None of these
Answer» A. Page printer
246.

A memory that does not change its contents without external causes is known as

A. Dynamic memory
B. Static memory
C. RAM
D. EEPROM
E. None of these
Answer» B. Static memory
247.

A memory that holds micro programs is

A. Core memory
B. ROM
C. RAM
D. Control memory
E. None of these
Answer» B. ROM
248.

Buffering is

A. the process of temporarily storing the data to allow for small variation in device speeds
B. a method to reduce cross talks
C. storage of data within transmitting medium until the receiver is ready to receive.
D. a method to reduce routing overhead
E. None of these
Answer» A. the process of temporarily storing the data to allow for small variation in device speeds
249.

Memory allocation of variables declared in a program is

A. allocated in RAM.
B. allocated in ROM
C. allocated on stack
D. assigned to registers
E. None of these
Answer» C. allocated on stack
250.

A software that allows a personal computer to pretend as a computer terminal is

A. terminal adapter
B. bulletin board
C. modem
D. terminal emulation
E. None of these
Answer» D. terminal emulation

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