Explore topic-wise MCQs in Computer Science.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Which one of the given statements is correct? Statement 1: The print quality of a Dot matrix printer is better than the print quality of a Laser printer.Statement 2: The print quality of a Laser printer is better than the print quality of a Dot matrix printer.Statement 3: The printer is an input device. 

A. Statement 1
B. Statement 2
C. Statement 3
D. All are correct
E. None of these
Answer» C. Statement 3
2.

........... are special purpose and high speed temporary memory units.

A. registers
B. ALU
C. CU
D. CPU
E. None of these
Answer» B. ALU
3.

The Central Processing Unit (CPU) in a computer consists of

A. input, output and processing
B. control unit, primary storage and secondary storage
C. control unit, arithmetic logic unit, memory unit
D. All of the above
E. None of the above
Answer» D. All of the above
4.

A group of bits that tells the computer to perform a specific operation is known as

A. instruction code
B. micro-operation
C. accumulator
D. register
E. None of the above
Answer» B. micro-operation
5.

Which of the following manages computer resources? [IBPS Clerk 2015]

A. ALU
B. BUS
C. Control unit
D. I/O unit
E. Secondary memory
Answer» D. I/O unit
6.

The main circuit board in the computer that connects the parts of the computer is the [SBI Clerk 2015]

A. mother board
B. father board
C. match board
D. hard drive
E. special board
Answer» B. father board
7.

What does ALU in computing denote? [IBPS Clerk 2014]

A. Application and Logic Unit
B. Algorithm Logic Unit
C. Arithmetic Layered Unit
D. Arithmetic Legal Unit
E. Arithmetic Logic Unit
Answer» F.
8.

The basic goal of computer process is to convert the data into [SBI PO 2012]

A. files
B. tables
C. information
D. graphs
E. None of these
Answer» D. graphs
9.

Which part of the computer is used for calculating and comparing?  [IBPS Clerk 2013]

A. ALU
B. Control unit
C. Disk unit
D. Modem
E. None of these
Answer» B. Control unit
10.

Arithmetic logic unit and control. Unit sections have special purpose locations called [SBI Clerk 2012, RBI Grade B 2012]

A. registers
B. RAM
C. BIOS
D. I/O
E. ROM
Answer» B. RAM
11.

The communication line between CPU, memory and peripherals is called a [Union Bank of India Clerk 2011]

A. bus
B. line
C. media
D. All of these
E. None of these
Answer» B. line
12.

CPU stands for   [SBI Clerk 2010]

A. Computer Processing Unit
B. Central Processing Unit
C. Computer Protection Unit
D. Central Processing Upload
E. None of the above
Answer» C. Computer Protection Unit
13.

To measure the speed of the processor..... is used.

A. processing speed
B. clock speed
C. memory
D. unit
E. speed measurement
Answer» C. memory
14.

Microprocessors can be used to make [SBI Clerk 2010]

A. computer
B. digital system
C. calculators
D. All of these
E. None of these
Answer» E. None of these
15.

The system unit

A. coordinates input and output devices
B. is the container that houses electronic components
C. is a combination of hardware and software
D. controls and manipulates data
E. does the arithmetic operations
Answer» C. is a combination of hardware and software
16.

Who invent the first microprocessor?

A. Vint cerf
B. Terence Percival
C. Heorku
D. Ted Hoff
E. None of the above
Answer» E. None of the above
17.

A(n)......... device is any device that provides information, which is sent to the CPU.

A. input
B. output
C. CPU
D. memory
E. processing
Answer» B. output
18.

Which of the following components is the most essential for the computer system to work?

A. Input system
B. Output system
C. Storage system
D. Monitor
E. CPU
Answer» F.
19.

The ............. is responsible for decision making mechanisms.

A. CPU
B. MU
C. ALU
D. CU
E. None of these
Answer» D. CU
20.

......... selects, interprets and executes instructions in a CPU.

A. Control unit
B. ALU
C. Memory
D. Storage
E. Input unit
Answer» B. ALU
21.

Which of the following include as type of input?

A. data
B. programs
C. commands
D. user response
E. All of these
Answer» B. programs
22.

The central processing unit is an example of

A. peripheral
B. output unit
C. software
D. program
E. hardware
Answer» F.