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.

Which of the following is usually a special one-time operation that must be completed over a limited time period?

A. Batch
B. Patch
C. Project
D. Word
E. None of the above
Answer» D. Word
Discussion
2.

A device or system not directly connected to the CPU is

A. On-line
B. Keyboard
C. Memory
D. Off-line
E. None of the above
Answer» E. None of the above
Discussion
3.

What is the name given to the specialized storage element in the processor unit of a computer which is used as a "scratch pad" during processing operations?

A. storage register
B. primary memory
C. cache memory
D. accumulator
E. None of the above
Answer» D. accumulator
Discussion
4.

The microprocessor of a computer cannot operate on any information if that information is not in its.

A. secondary storage
B. main storage
C. ALU
D. logic unit
E. None of the above
Answer» C. ALU
Discussion
5.

Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system?

A. Time-sharing
B. Online processing
C. Interactive processing
D. All the above processing
E. None of the above
Answer» E. None of the above
Discussion
6.

A large number of computers in a wide geographical area can be efficiently connected using

A. Twisted pair lines
B. Coaxial cables
C. Communications satellites
D. All of the above
E. None of the above
Answer» D. All of the above
Discussion
7.

Which of the following is not an advantage of magnetic disk storage?

A. The access time of magnetic disk is much less than that of magnetic tape
B. Disk storage is longer lasting than magnetic tape
C. Disk storage is less expensive than tape storage
D. All of the above
E. None of the above
Answer» F.
Discussion
8.

A device which converts human readable data into machine language is

A. Card reader
B. Card punch
C. Punched paper tape
D. Character reader
E. None of the above
Answer» E. None of the above
Discussion
9.

In negative logic, the logic state 1 corresponds to

A. negative voltage
B. zero voltage
C. more negative voltage
D. lower voltage level
E. None of the above
Answer» E. None of the above
Discussion
10.

Which of the following is a part of the Central Processing Unit?

A. Printer
B. Keyboard
C. ) Mouse
D. Arithmetic Logic Unit
E. None of the above
Answer» E. None of the above
Discussion
11.

The least expensive OCR units can read

A. hand printed numbers
B. machine printed numbers
C. marks
D. handwriting
E. None of the above
Answer» D. handwriting
Discussion
12.

The input unit of a computer

A. feeds data to the CPU or memory
B. retrieves data from CPU
C. directs all other units
D. All of the above
E. None of the above
Answer» B. retrieves data from CPU
Discussion
13.

Which of the following bus types are used by the Apple Macintosh computer?

A. ISA
B. NuBus
C. EISA
D. MCA
E. PCI Bus
Answer» C. EISA
Discussion
14.

When the time to establish link is large and the size of data is small, the preferred mode of data transfer is

A. Circuit switching
B. Packet switching
C. Time division multiplexing
D. All of the above
E. None of the above
Answer» C. Time division multiplexing
Discussion
15.

Group of instructions that directs a computer is called

A. Storage
B. Memory
C. Logic
D. Program
E. None of the above
Answer» E. None of the above
Discussion
16.

Which of the following is not an output device of a computer?

A. Printer
B. keyboard
C. VDU
D. CRT screen
E. All of the above
Answer» C. VDU
Discussion
17.

Which of the following is not true of a magnetic disk?

A. It is expensive relative to magnetic tape
B. It provides only sequential access to stored data
C. Users can easily update records by writing over the old data
D. It does not provide an automatic audit trail
E. All of the above are true
Answer» C. Users can easily update records by writing over the old data
Discussion
18.

A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of a

A. modem
B. adapter
C. cable
D. aerial
E. None of the above
Answer» C. cable
Discussion
19.

A factor which would strongly influence a businessperson to adopt a computer is its:

A. Accuracy
B. Reliability
C. Speed
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
20.

The most common input device used today is

A. Motherboard
B. Track ball
C. Scanner
D. Mouse
E. Keyboard
Answer» F.
Discussion
21.

In a computer system, which device is functionally opposite of a Key-board?

A. Mouse
B. Trackball
C. Printer
D. Joystick
E. None of the above
Answer» D. Joystick
Discussion
22.

The data appearing first in the left portion of punched card is

A. descriptive data
B. coded data
C. quantitative data
D. All of the above
E. None of the above
Answer» C. quantitative data
Discussion
23.

Which one of the following is termed a combination input-output device?

A. VDT
B. Keyboard
C. Printer
D. Laser Jet
E. None of the above
Answer» B. Keyboard
Discussion
24.

The process of writing computer instructions in a programming language is known as

A. Coding
B. Processing
C. Programming
D. File
E. None of the above
Answer» B. Processing
Discussion
25.

Which of the following input/output devices is not associated with personal computers?

A. mice
B. color monitors
C. punched cards
D. dot-matrix printers
E. optical scanners
Answer» D. dot-matrix printers
Discussion
26.

The ALU of a computer responds to the commands coming from

A. primary memory
B. control section
C. external memory
D. cache memory
E. None of the above
Answer» C. external memory
Discussion
27.

The heart of any computer is the

A. CPU
B. Memory
C. I/O Unit
D. Disks
E. None of the above
Answer» B. Memory
Discussion
28.

Which of the following are likely to jam the read/write head of a disk pack?

A. Dust
B. Smoke particle
C. Finger print smudge
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
29.

Each model of a computer has a unique

A. Assembly language
B. Machine language
C. High level language
D. All of the above
E. None of the above
Answer» C. High level language
Discussion
30.

Transistorized computer circuits were introduced in the

A. first generation
B. second generation
C. thir4 generation
D. fourth generation
E. None of the above
Answer» C. thir4 generation
Discussion
31.

Which of the following is not a practical data-processing approach?

A. batch-sequential
B. batch-direct
C. immediate-sequential
D. immediate-direct
E. All of the above
Answer» D. immediate-direct
Discussion
32.

The register which holds the address of the location to or from which data are to be transferred is known as

A. index register
B. instruction register
C. memory address register
D. memory data register
E. None of the above
Answer» D. memory data register
Discussion
33.

Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM

A. duplicates
B. clones
C. copies
D. look alikes
E. None of the above
Answer» C. copies
Discussion
34.

In a punched card system, data is processed by a

A. keypunch machine, sorter, and posting machine
B. accounting machine, posting machine, and billing machine
C. sorter, posting machine, and billing machine
D. accounting machine, keypunch machine, and sorter
E. None of the above
Answer» E. None of the above
Discussion
35.

A single bus structure is primarily found in

A. Main frames
B. Super computers
C. High performance machines
D. Mini-and micro-computers
E. None of the above
Answer» E. None of the above
Discussion
36.

What is the highest address possible if 16 bits are used for each address?

A. 65536
B. 12868
C. 16556
D. 643897
E. None of the above
Answer» B. 12868
Discussion
37.

An integrated circuit is

A. a complicated circuit
B. an integrating device
C. much costlier than a single transistor
D. fabricated on a tiny silicon chip
E. None of the above
Answer» E. None of the above
Discussion
38.

Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?

A. ROM
B. Magnetic disk
C. Core memory
D. Bubble memory
E. None of the above
Answer» D. Bubble memory
Discussion
39.

EBCDIC can code up to how many different characters?

A. 8
B. 16
C. 32
D. 64
E. 256
Answer» F.
Discussion
40.

Which of the following best describes a computer-based information system?

A. A system in which a computer is used to turn data into information
B. Inputting data
C. Processing data
D. Performing complex mathematical calculations
E. Data is put into the computer for processing
Answer» B. Inputting data
Discussion
41.

Accessing records from a file directly without searching from the beginning of the file is

A. Time sharing
B. Random
C. Direct access
D. Access time
E. None of the above
Answer» D. Access time
Discussion
42.

The monitor of a computer is connected to it by a

A. Wire
B. Cable
C. Bus
D. Line driver
E. Modem
Answer» C. Bus
Discussion
43.

In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of a register?

A. Absolute mode
B. Indirect mode
C. Immediate mode
D. Index mode
E. None of the above
Answer» E. None of the above
Discussion
44.

The term gigabyte refers to

A. 1024 bytes
B. 1024 kilobytes
C. 1024 megabytes
D. 1024 gigabytes
E. None of the above
Answer» D. 1024 gigabytes
Discussion
45.

The CPU chip used in a computer is partially made out of

A. silica
B. carbon
C. copper
D. gold
E. silver
Answer» B. carbon
Discussion
46.

Which term is not used to describe the memory component of a computer?

A. ROM
B. PROM
C. RAM
D. SAM
E. None of the above
Answer» E. None of the above
Discussion
47.

What type of computer programming is used for airplane ticket reservation system?

A. Multi programming
B. Real time programming
C. Time sharing
D. Batch programming
E. None of the above
Answer» C. Time sharing
Discussion
48.

The output of a 2 input OR gate is 0 only when its

A. both inputs are 0
B. either input is 1
C. both inputs are 1
D. either input is 0
E. None of the above
Answer» B. either input is 1
Discussion
49.

A high quality CAD system uses the following for printing drawing and graphs

A. Dot matrix printer
B. Digital plotter
C. Line printer
D. All of the above
E. None of the above
Answer» C. Line printer
Discussion
50.

Microfilm reader is a

A. OCR device
B. COM device
C. MICR device
D. None of the above
E. All of the above
Answer» C. MICR device
Discussion