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.

Introducing uniform length instructions makes decoding and execution process

A. Fast and complex
B. Complex And Expensive
C. Simple and Expensive
D. Fast and Simple
Answer» E.
2.

The main PCB (Printed Circuit Board) is sometimes alternatively known as

A. Main Board
B. Logical Board
C. Both a and b
D. None of the above
Answer» D. None of the above
3.

RAM means

A. Random Access Memory
B. Rigid Access Memory
C. Rapid Access Memory
D. Revolving Access Memory
Answer» B. Rigid Access Memory
4.

How many address lines are needed to address each machine location in a 2048 x 4 memory chip?

A. 11
B. 12
C. 10
D. 8
Answer» B. 12
5.

The result that is smaller than the smallest number obtained is referred to as ___________

A.
B. Underflow
C. Smallest
D. Mantissa
Answer» C. Smallest
6.

The binary number obtained after applying RSC on 11010 will be ___________

A. 11101
B. 10100
C. 01101
D. 01000
Answer» D. 01000
7.

For each input and output variables in design of combinational circuits, it is assigned a/an

A. Identifier
B. Letter symbol
C. Numeric symbol
D. Special symbol
Answer» C. Numeric symbol
8.

Different components on the motherboard of a PC processor unit are linked together by sets orparallel electrical conducting lines. What are these lines called?

A. Connectively
B. Buses
C. Conductors
D. Connectors
Answer» C. Conductors
9.

Operations in machines with smaller word-length are said to be

A. Slow
B. Fast
C. Random
D. Complex
Answer» B. Fast
10.

In combinational circuits, problem is interpreted and is determined with respect to

A. Available inputs variables
B. Required outputs variables
C. Available symbol variables
D. Required input and output variables
Answer» E.
11.

Pipeline implement

A. Fetch and Decode instruction
B. Execute instruction
C. Fetch and Calculate operand
D. All of the above
Answer» E.
12.

Relation between inputs and outputs in design of a combinational circuit can be defined by

A. Truth table
B. Binary table
C. Sort table
D. Code table
Answer» B. Binary table
13.

Combination of an arithmetic logic unit and control unit results in

A. Arithmetic Control Unit
B. Control Processing Unit
C. Central Processing
D. Control Logic Unit
Answer» D. Control Logic Unit
14.

EPIC enables maximum parallelism in original code, that explicitly describes it to

A. Instruction set
B. Input variable set
C. Output variable set
D. Processor
Answer» E.
15.

Component of CPU which is responsible for deciding which operations are to be performed by the CPU is

A. ALU
B. CU
C. register
D. bus
Answer» C. register
16.

Term used for optimization of storage space in small business computers is said to be of

A. Array length
B. Fixed length
C. Word length
D. Variable length
Answer» E.
17.

The ___________is responsible for transferring data and instructions from the external environment into the computer system.

A. Output unit
B. Program control register
C. Input unit
D. Memory address register
Answer» D. Memory address register
18.

The process of recording data and information so that it can be retrieved for use whenever required.

A. Inputting
B. Processing
C. Storing
D. None of the above
Answer» C. Storing
19.

“GUI” stands for

A. Gnutella Universal Interface
B. Graphic Uninstall/Install
C. Graphical User Interface
D. General Utility Interface
Answer» D. General Utility Interface
20.

Computers have secondary storage devices known as___________.

A. ALU
B. Auxiliary storage
C. CPU
D. None of the above
Answer» C. CPU
21.

A small set of high-speed registers placed inside a processor and used for storing temporary data while processing.

A. Internal Processor Memory
B. Secondary Storage Memory
C. Primary Storage Memory
D. None of the above
Answer» B. Secondary Storage Memory
22.

The clock speed is usually measured in

A. Megahertz
B. Kilohertz
C. Gigahertz
D. Either a or c
Answer» E.
23.

The speed at which the processor executes command is called

A. Processor speed
B. Clock speed
C. Both a and b
D. None of the above
Answer» D. None of the above
24.

The size of the register is called

A. Register size
B. Data size
C. Word size
D. None of the above
Answer» D. None of the above
25.

The speed at which the CPU performs basic operations, measured in

A. Hz
B. MHz
C. GHz
D. KHz
Answer» D. KHz
26.

Register that holds the current instruction that is to be executed is called

A. Instruction register
B. Program control register
C. Data register
D. Memory address register
Answer» B. Program control register
27.

Popular microprocessors include

A. Intel
B. Cache memory
C. AMD
D. None of the above
Answer» B. Cache memory
28.

_________ stores the immediate data during the execution of instructions.

A. ALU
B. The register set
C. CU
D. None of the above
Answer» C. CU
29.

The primary storage also temporarily stores any intermediate result generated by the ___________.

A. The CPU
B. The motherboard
C. The hard disk drive
D. The ALU
Answer» E.
30.

ALU and Control Unit jointly known as

A. RAM
B. ROM
C. CPU
D. PC
Answer» D. PC
31.

What is the 1’s complement of 11010?

A. 11010
B. 11011
C. 00110
D. 00101
Answer» E.
32.

An operation that is considered destructive to previous content of memory location is

A. Read
B. Access
C. Sequencing
D. Write
Answer» E.
33.

The output unit coverts the data entered by the user into computer understandable form.

A. True
B. False
C. May be
D. Can't say
Answer» C. May be
34.

In Complex Instruction Set Computer (CISC) instructions for processing are said to be of

A. Fixed length
B. Referral length
C. Variable length
D. Operative length
Answer» D. Operative length
35.

The two basic types of memory in a computer are ________

A. Primary and major
B. Primary and Secondary
C. Minor and Major
D. Main and virtual
Answer» C. Minor and Major
36.

The basic operations performed by a computer are

A. Storage and relative
B. Logical operation
C. Arithmetic operation
D. All of the above
Answer» E.
37.

In both signed magnitude and 2’s complement , positive and negative numbers are separated using ______________

A. LSB
B. MSB
C. 0
D. 1
Answer» C. 0
38.

Interrupts which are initiated by an instruction are

A. Internal
B. External
C. Hardware
D. Software
Answer» E.
39.

Circuit board of computer on which the processor and other chips are placed is called

A. big board
B. motherboard
C. master circuit
D. connector circuit
Answer» C. master circuit
40.

Personal computers use a number of chips mounted on a main circuit board. What is the common namefor such boards?

A. Breadboard
B. Motherboard
C. Daughter board
D. Father board
Answer» C. Daughter board
41.

Truth table is used to represent Boolean __________

A. functions
B. algebra
C. operators
D. addition
Answer» B. algebra
42.

The two basic types of record-access methods are

A. Sequential and indexed
B. On-line and real time
C. Sequential and random
D. Direct and immediate
Answer» D. Direct and immediate
43.

ALU is

A. Array Logic Unit
B. Application Logic Unit
C. Arithmetic Logic Unit
D. None of the above
Answer» D. None of the above
44.

How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?

A. 11
B. 12
C. 10
D. 8
Answer» B. 12
45.

Central processing unit comprises of

A. One component
B. Two components
C. Three components
D. Four components
Answer» C. Three components
46.

Idea of RISC was introduced by designers in late

A. 1960s
B. 1970s
C. 1980s
D. 1990s
Answer» D. 1990s
47.

If m is the 2’s complement and n is the binary number, then ______________

A. m=n’
B. m=n’+1
C. m=n’-1
D. m=n
Answer» C. m=n’-1
48.

The 16’s complement of 74E will be __________

A. 8B2
B. F8B2
C. 2B8
D. 8C2
Answer» C. 2B8
49.

The ________________is responsible for controlling various computer operations.

A. Memory
B. Accumulator (AC)
C. Control Unit
D. Memory Address Register (MAR)
Answer» D. Memory Address Register (MAR)
50.

EPIC processors are widely used in design process of

A. Personal Computers
B. Mainframes
C. Macrocomputers
D. Workstations
Answer» E.