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.

One of the early coding systems, based on the idea of converting each digit of a decimal number into its binary equivalent rather than converting the entire decimal value into a pure binary form is

A. ASCII code
B. BCD
C. ASCIl-8
D. None of these
Answer» C. ASCIl-8
2.

A selection, choice, or condition involving two possibilities is referred as

A. Unary
B. Binary
C. Octal
D. None of these
Answer» C. Octal
3.

BISYNC is an abbreviation for

A. Binary Input/Binary Output
B. Binary synchronous
C. Binary digit
D. None of these
Answer» B. Binary synchronous
4.

Which of the following is input/output device?

A. monitors
B. punched cards
C. optical scanners
D. all the above
Answer» E.
5.

The checking operation performed on input is called

A. validation of data
B. verification of data
C. vilification of data
D. control of data
Answer» B. verification of data
6.

Diskette is a

A. A low-cost, thin flexible magnetic disk storage device
B. High volume storage device
C. Primary storage device
D. None of these
Answer» B. High volume storage device
7.

Which of the following terms applies to communication between two computer systems?

A. computer literacy
B. power supply
C. applications software
D. connectivity
Answer» E.
8.

A semiconductor memory which allows the eraser of the information stared in it so that new information can be stared in it is referred as

A. EPROM
B. ROM
C. RAM
D. None of these
Answer» B. ROM
9.

Storing programs on disk and then transferring these programs into main storage as and when they are needed. The technique is used to process large programs or several programs with limited memory is called

A. Swapping
B. Spooling
C. Paging
D. Segmentation
Answer» B. Spooling
10.

CPU performs read/write operations at any point in time in

A. ROM
B. PROM
C. EPROM
D. RAM
Answer» D. RAM
11.

An algebra that deals with logical propositions which are either true or false is referred as

A. Boolean algebra
B. Modern Algebra
C. Abstract Algebra
D. None of these
Answer» B. Modern Algebra
12.

A device mounted on a communication satellite which receives, amplifies and retransmits signals’ from earth stations is called

A. Terminator
B. Connector
C. Processor
D. Transponder
Answer» E.
13.

All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as

A. typematic key
B. functional keys
C. automatic keys
D. alphabetic keys
Answer» B. functional keys
14.

Data entry can be performed with all of thefollowing except

A. OCR / OMR
B. COM
C. Voice-recognition systems
D. MICR
Answer» C. Voice-recognition systems
15.

A sequential electronic circuit which can beplaced in one out of two stable states where each state may be used to represent a binary digit is stated as

A. Integrated circuit
B. Firmware
C. Flip-flop
D. None of these
Answer» D. None of these
16.

A process of collecting, organizing, storingand otherwise maintaining a complete historical record of programs and other documents used or prepared during the different phases of the system is called

A. Documentation
B. Document reader
C. Data process
D. None of these
Answer» B. Document reader
17.

A unit of a computer system that interpretsinstructions and executes them is known as

A. Processor
B. Storage
C. Peripherals
D. None of these
Answer» B. Storage
18.

Following communications lines, best suitesto interactive processing applications

A. narrowband channels
B. simplex lines
C. full-duplex lines
D. mixed-band channels
Answer» D. mixed-band channels
19.

Speech recognition is

A. Ability to input data directly into a computer system by speaking to it
B. Ability to output data directly from a computer system by speaking.
C. Processing of voice in computer systems
D. None of these
Answer» B. Ability to output data directly from a computer system by speaking.
20.

The total time elapsed between submission of command and data to a computer and getting the result of computation is the

A. Access time
B. Response time
C. Entrance time
D. None of these
Answer» C. Entrance time
21.

Asynchronous communication is

A. Communication between independently operating units
B. Communication between dependent operating units
C. Communication between independent and dependent operating units
D. None of these
Answer» B. Communication between dependent operating units
22.

BISYNC is

A. Binary synchronous
B. A process of transmitting data
C. A half-duplex, character-oriented, synchronous data communications transmission method
D. All the above
Answer» E.
23.

The ________ can be programmed one time by either the manufacturer or the computer user. Once programmed, it cannot be modified.

A. RAM
B. ROM
C. PROM
D. EPROM
Answer» D. EPROM
24.

Console is

A. A device that enables human operators to communicate with the computer
B. A device that enables human operators not to communicate with the computer
C. Communication between computers
D. None of these
Answer» B. A device that enables human operators not to communicate with the computer
25.

The use of parity bit is for

A. coding
B. indexing
C. error-detection
D. none of these
Answer» D. none of these
26.

Following is not the operating system

A. UNIX
B. DOS
C. WINDOWS
D. BASIC
Answer» E.
27.

Boolean variable assumes

A. Values that are true only
B. Values that are false only
C. Values that are either true or false
D. None of these
Answer» D. None of these
28.

Diagnostic routines is a

A. Programs used to print error messages
B. Indicates system problems and improper program instructions.
C. Both A & B are true
D. None of these
Answer» D. None of these
29.

Technique of placing software/programs in a ROM semiconductor chip is called

A. PROM
B. EPROM
C. firm ware
D. microprocessor
Answer» D. microprocessor
30.

Disk operating system is referred for

A. DOS
B. Operating system which contains the disk-oriented commands and uses disk devices for permanent storage
C. Both A & B
D. None of these
Answer» D. None of these
31.

A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is

A. Facsimile (FAX)
B. Telephone
C. Photocopier
D. None of these
Answer» B. Telephone
32.

EDP is referred to

A. Electronic Data Processing
B. Data processing through equipment that is predominantly electronic such as digital computer
C. Both A & B
D. None of these
Answer» D. None of these
33.

Transmission of data in one direction is called

A. Simplex
B. Duplex
C. Triplex
D. None of these
Answer» B. Duplex
34.

A protocol that specifies how a personal computer can connect to a mail server on the Internet and download E-mail is known as

A. Post office protocol
B. System protocol
C. Network protocol
D. None of these
Answer» B. System protocol
35.

Constant is a value written into a program instruction

A. that does not change during the execution of the program
B. that can change during the execution of the program
C. that can vary during the execution of the program
D. none of these
Answer» B. that can change during the execution of the program
36.

Circuits that provide a communication path between two or more devices of a digital computer system is

A. Car
B. Bus
C. Truck
D. None of these
Answer» C. Truck
37.

Cache memory

A. Is a Static RAM
B. Increases the speed of processing by making current programs and data available to the CPU at a rapid rate
C. Both A & B are true
D. Both A & B are false
Answer» D. Both A & B are false
38.

Data communications involving telegraph lines uses

A. simplex lines
B. wideband channels
C. narrowband channels
D. dialed service
Answer» D. dialed service
39.

The following magazine covers only the IBMPC and its compatibles

A. Byte
B. PC Magazine
C. Personal Computing
D. Interface Age
Answer» C. Personal Computing
40.

A sequence of instruction (software) that is substituted for hardware and stored in read- only memory (ROM) is called

A. Integrated circuit
B. Firmware
C. Flip-flop
D. None of these
Answer» C. Flip-flop
41.

A coding structure in which characters are represented by means of a series of parallel bars is

A. Bar Code
B. Menu bar
C. Numeric bar
D. None of these
Answer» B. Menu bar
42.

Internet banking is an example of

A. Electronic funds transfer (EFT)
B. EDP (Electronic Data Processing )
C. EBCDIC
D. ASCII
Answer» B. EDP (Electronic Data Processing )
43.

Emulator is a program that

A. Permits one computer to execute the machine-language instructions of another computer of a different make
B. Which is not broken down into smaller units
C. Permits one computer to execute the machine-language instructions of another computer of same make.
D. None of these
Answer» B. Which is not broken down into smaller units
44.

ASCII is

A. A standard coding system for computers
B. Hardware device
C. Software
D. None of these
Answer» B. Hardware device
45.

Anonymous FTP is the

A. Internet file transfer protocol
B. Protocol that requires password
C. None access files
D. None of these
Answer» B. Protocol that requires password
46.

Comparing with secondary storage, primary storage is

A. slow and inexpensive
B. fast and inexpensive
C. fast and expensive
D. slow and expensive
Answer» D. slow and expensive
47.

Following is true for the digital computer

A. Information is in form of a string of binary digits
B. It can be used as analog processor
C. It is less accurate than the analog computer
D. None of these.
Answer» B. It can be used as analog processor
48.

Portability is program ability to run on

A. dissimilar machines with minimum modification
B. similar machines with maximum modification
C. dissimilar machines with maximum modification
D. similar machines with maximum modification
Answer» B. similar machines with maximum modification
49.

BIOS is responsible for

A. handling the particulars of input/output operations
B. output operations
C. input operations
D. None of these
Answer» B. output operations
50.

Distributed data processing configuration where all activities passes through a centrally located computer is

A. ring network
B. spider network
C. hierarchical network
D. data control network
Answer» C. hierarchical network