Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

ABC is a

A. special purpose computer
B. general purpose computer
C. all purpose computer
D. none of above
Answer» B. general purpose computer
2.

Which electronic component was made out of semiconductor material?

A. vacuum tubes
B. transistors
C. ics
D. all of above
Answer» D. all of above
3.

A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?

A. accuracy
B. reliability
C. versatility
D. automatic
Answer» C. versatility
4.

Which number system is usually followed in a typical 32-bit computer?

A. binary
B. decimal
C. hexadecimal
D. octal
Answer» B. decimal
5.

A paper printout of a document is known as

A. softcopy output
B. hardcopy output
C. permanent output
D. all of above
Answer» C. permanent output
6.

A digital computer did not score over an analog computer in terms of

A. speed
B. accuracy
C. reliability
D. cost
Answer» C. reliability
7.

Which of the following device was not invented by Babbage?

A. pascaline
B. difference engine
C. analytical engine
D. none of above
Answer» B. difference engine
8.

What produces useful information out of data?

A. computer
B. processing
C. programming
D. none of above
Answer» C. programming
9.

The full form of ALU is

A. arithmetic logic unit
B. array logic unit
C. application logic unit
D. none of above
Answer» B. array logic unit
10.

Which unit converts computer data into human readable form?

A. input unit
B. output unit
C. alu
D. control unit
Answer» C. alu
11.

A directly accessible appointment calendar is feature of a __ resident package

A. cpu
B. memory
C. buffer
D. alu
Answer» C. buffer
12.

What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?

A. mark i
B. abc
C. z3
D. none of above
Answer» C. z3
13.

Word length of a Personal Computer is ___

A. 4 bits
B. 8 bits
C. 16 bits
D. 64 bits
Answer» C. 16 bits
14.

The earliest calculating devices are

A. abacus
B. clock
C. difference engine
D. none of these
Answer» B. clock
15.

Which of the following is not a valid size of a Floppy Disk?

A. 8?
B. 5 ¼?
C. 3 ½?
D. 5 ½?
Answer» E.
16.

RJ45 UTP cable has ________ Cables.

A. 2 pair
B. 3 pair
C. 4 pair
D. 5 pair
Answer» D. 5 pair
17.

Which is a semi conductor memory?

A. dynamic
B. static
C. bubble
D. both a & b
Answer» E.
18.

Who is credited with the idea of using punch cards to control patterns in a waving machine?

A. pascal
B. hollerith
C. babbage
D. jacquard
Answer» E.
19.

Which is the highest form?

A. data
B. information
C. knowledge
D. all of above
Answer» D. all of above
20.

What is an interpreter?

A. an interpreter does the conversion line by line as the program is run
B. an interpreter is the representation of the system being designed
C. an interpreter is a general purpose language providing very efficient execution
D. none of the above
Answer» B. an interpreter is the representation of the system being designed
21.

The notable features like keyboards, monitors, GUI were developed in

A. first generation
B. second generation
C. third generation
D. fourth generation
Answer» D. fourth generation
22.

Who suggested Stored Program Concept

A. john mauchley
B. j.p. eckert
C. john neumann
D. joseph jacquard
Answer» D. joseph jacquard
23.

An approach that permits the computer to work on several programs instead of one is

A. on-line thesaurus
B. multiprogramming
C. over lapped processing
D. outline processor
Answer» D. outline processor
24.

Who invented vacuum tubes?

A. john bardeen
B. william shockley
C. lee de forest
D. all of above
Answer» D. all of above
25.

Which is not a comptuer of first generation?

A. eniac
B. univac
C. ibm 360
D. ibm 1401
Answer» E.
26.

Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as

A. pc
B. flags
C. memory address registers
D. general purpose registers
Answer» C. memory address registers
27.

What is meant by a dedicated computer?

A. which is used by one person only
B. which is assigned one and only one task
C. which uses one kind of software
D. which is meant for application software
Answer» C. which uses one kind of software
28.

The personal computer industry was started by

A. ibm
B. apple
C. compaq
D. hcl
Answer» B. apple
29.

Which of the following are the best units of data on an external storage device?

A. bits
B. bytes
C. hertz
D. clock cycles
Answer» C. hertz
30.

Which is the largest computer?

A. mainframe computer
B. mini computers
C. micro computers
D. super computers
Answer» B. mini computers
31.

What is the name of the display feature that highlights are of the screen which requires operator attention?

A. pixel
B. reverse video
C. touch screen
D. cursor
Answer» C. touch screen
32.

Which of the following is not an electronic computer?

A. eniac
B. abc
C. univac
D. edvac
Answer» C. univac
33.

One computer that is not considered a portable is

A. minicomputer
B. laptop computer
C. notebook computer
D. all of above
Answer» B. laptop computer
34.

Operating system, editors, and debuggers comes under?

A. system software
B. application software
C. utilities
D. none of the above
Answer» B. application software
35.

Who invented Integrated Circuits?

A. jack kilby
B. robert noyce
C. both of above
D. none of above
Answer» D. none of above
36.

What does DMA stand for?

A. distinct memory access
B. direct memory access
C. direct module access
D. direct memory allocation
Answer» C. direct module access
37.

In a computer _____ is capable to store single binary bit.

A. capacitor
B. flip flop
C. register
D. inductor
Answer» C. register
38.

On a PC, how much memory is available to application software?

A. 1024 kb
B. 760 kb
C. 640 kb
D. 560 kb
Answer» D. 560 kb
39.

Floppy disks typically in diameter

A. 3
B. 5.25
C. 8
D. all of above
Answer» E.
40.

Most of the first generation computers were

A. special purpose computers
B. general purpose computers
C. both of above
D. none of above
Answer» B. general purpose computers
41.

IBM 1401 is

A. first generation computer
B. second generation computer
C. third generation computer
D. fourth generation computer
Answer» C. third generation computer
42.

The BIOS is the abbreviation of ________.

A. basic input output system
B. best input output system
C. basic input output symbol
D. base input output system
Answer» B. best input output system
43.

The advantage of COM are its __ and __

A. compact size; speed readability
B. compact size, speed
C. readability; speed
D. low cost; readability
Answer» B. compact size, speed
44.

Which printer is very commonly used for desktop publishing?

A. laser printer
B. inkjet printer
C. daisywheel printer
D. dot matrix printer
Answer» B. inkjet printer
45.

An error in software or hardware is called a bug. What is the alternative computer jargon for it?

A. leech
B. squid
C. slug
D. glitch
Answer» E.
46.

Analog computer works on the supply of

A. continuous electrical pulses
B. electrical pulses but not continuous
C. magnetic strength
D. none of the above
Answer» B. electrical pulses but not continuous
47.

FORTRAN programming language is more suitable for ____

A. business applications
B. marketing applications
C. scientific applications
D. none of the above
Answer» D. none of the above
48.

Which one is the largest space?

A. kilobyte
B. petabyte
C. terrabyte
D. gigabyte
Answer» C. terrabyte
49.

The first machine to successfully perform a long series of arithmetic and logical operations was:

A. eniac
B. mark-i
C. analytic engine
D. univac-1
Answer» C. analytic engine
50.

When was the first electro-mechanical computer developed?

A. 1880
B. 1990
C. 1944
D. none of above
Answer» D. none of above