9th Class Computer Science Chapter 02 MCQs with Answers

Welcome to the 9th Class Computer Science Chapter 02 MCQs Online Test. We are presenting you with top MCQ questions from the 9th Class Computer Science Chapter COMPUTER COMPONENTS.

We want to tell you that you can find all the 9th Class Computer Science Chapter 02 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your matriculation Exams. We are making these Class 9 Computer Science MCQs online tests for those who want full marks in their exams. Attempt all these Grade 9 Computer Science Online Multiple Choice Questions MCQs before going for the exam and it will be beneficial for you! These online tests contain all the important multiple choice questions in the important topics of the SSC Part 1  Computer Science Chapter 02 COMPUTER COMPONENTS Science

9th Class Computer Science Chapter 02 MCQs with Answers

Youth For Pakistan has provided an excellent opportunity for the students of the 9th class to prepare their Computer Science Chapter 02 COMPUTER COMPONENTS online with MCQs test.

This is a free platform for students to prepare for Computer Science Exams for Class 9 to get the best accomplishments in annual exams. 9th class Students can analyze themself by attempting this online test system as many times as they want until they find themself fully prepared.

MCQs Class 9 Computer Science with Answers

The purpose of these online MCQs tests is to help you evaluate your 9th Class Computer Science Chapter 02 MCQs. These Multiple Choice Questions (MCQs) will prepare you for your academic success in the 9th Class Exams. 9th Class Computer Science Chapters include Chapter No. 01 Introduction to Computer, Chapter No. 02 Computer Components, Chapter No. 03 Input Output Devices, Chapter No. 04 Storage Device, Chapter No. 05 Number Systems, Chapter No: 06 Boolean Algebra, Chapter No: 07 Computer Software and Chapter No: 08 Introduction To Windows


A motherboard. A Central Processing Unit (CPU) A Graphics Processing Unit (GPU), also known as a video card. Random Access Memory (RAM), is also known as volatile memory.


1: Microcomputers have basic components.

(a) Three

(b) Two

(c) Four

(d) One

2: Is the most commonly used input device.

(a) Mouse

(b) Joystick

(c) Keyboard

(d) Speaker\

3: Keyboard and mouse are examples of devices.

(a) Input Devices

(b) Output Devices

(c) Control Devices

(d) Storage

4: Printers Monitor are examples of devices.

(a) Input Devices

(b) Output Devices

(c) Control Devices

(d) Storage

5: The backbone of the computer is.

(a) Computer Bus

(b) Control Panel

(c) Computer Ports

(d) CPU

6: The unit inside the CPU that controls the execution of instructions given to the computer is called.

(a) Control Unit

(b) Memory Unit

(c) ALU

(d) Buses

7: The input / output operations of the CPU are managed by the.

(a) Control Unit

(b) ALU

(c) MU

(d) None

8: ALU consists of sections.

(a) Two

(b) Control

(c) Memory

(d) One

9: Arithmetic operations in the ALU are performed by Section.

(a) Arithmetic

(b) Control

(c) Memory

10: Section of the ALU performs logical operations.

(a) Control

(b) Memory

(c) Logical

(d) None

11: The computer bus that carries data is called.

(a) Data Bus

(b) Address Bus

(c) Control Bus

(d) All

12: Bus is used to transfer data from one device to another device in the computer.

(a) Data Bus

(b) Address Bus

(c) Control Bus

(d) None

13: ALU performed.

(a) Arithmetic Function

(b) Control Function

(c) Both a b

(d) None

14: CPU stands for.

(a) Central Processing Unit

(b) Control Panel Unit

(c) Control Processing Unit

(d) Central Power Unit

15: EDP stands for.

(a) Electronic data Projector

(b) Electronic Data Processing

(c) Electronic Data Projection

(d) None

16: The computer generates electrical pulses.

(a) Computer Bus

(b) Computer Clock

(c) Computer Ports

(d) All

17: Controls and supervises all the units of a computer,

(a) CPU

(b) ALU

(c) CU

(d) MU

18: Addition, subtraction is done by the.

(a) CPU

(b) ALU

(c) CU

(d) MU

19: Logical operations are done by the.

(a) CPU

(b) ALU

(c) CU

(d) MU

20: __ Is like the traffic policeman.

(a) CPU

(b) ALU

(c) CU

(d) MU

21: The physically components of a computer are called.

(a) Hardware

(b) Software

(c) Firmware

(d) Shareware

22: Keyboard, Mouse is the example of.

(a) Hardware

(b) Software

(c) Firmware

(d) Shareware

23: Computer Software is divided into categories.

(a) Three

(b) Four

(c) Two

(d) One

24: Software is used to manage the hardware devices.

(a) System

(b) Application

(c) Control

(d) Special

25: Software is the procedure written by the user to solve their problems.

(a) System

(b) Application

(c) Control

(d) Special

26: Tangible part of the computer system is called.

(a) Software

(b) Program Code

(c) Hardware

(d) None

27: Software is.

(a) Non-tangible

(b) Input

(c) Output

(d) Tangible

28: Which of the following is not software?

(a) Keyboard

(b) Operating System

(c) Windows

(d) Drivers

29: Computer Software can be divided into.

(a) Computer Programming and Languages

(b) System Software and Application software

(c) System Software Firmware

(d) Both a b

30: Which of the following are the examples of system software?


(b) Operating System

(c) Both B C

(d) None

31: Computer hardware provides the following features.

(a) Input Devices

(b) Output Devices

(c) All these

(d) None

32: Which of the following is application software?

(a) Drafting Package

(b) Word Processor

(c) Database

(d) All

33: Which Software controls the operations of a computer system?

(a) 1/0 Units

(b) System Software

(c) Word Processing

(d) CPU

34: Which of the following is a function of the CPU?

(a) Controlling Activities

(b) Storage Retrieval

(c) All the above

(d) None

35: Which statement is correct for the CPU.

(a) It is a brain of computer.

(b) It can receive signals form input device send the result

(c) Both a b

(d) All the above

36: The subunits of CPU are.

(a) ALU and CU

(b) Mouse, Language Translator ALU

(c) Operating System ALU

(d) Hardware and Software

37: Which of the following is NOT a function of ALU?

(a) Storage

(b) Shift Operations

(c) Comparing Operations on Alphabetically

(d) None

38: The buses in computer organization are.

(a) Like the city busses

(b) Entirely different concept than city bus

(c) Communication Media only

(d) All of these

39: The capacity of computer bus depends upon

(a) Capacity of CPU

(b) Capacity of microprocessors

(c) The system software

(d) None

40: Computer Buses are as.

(a) Data and Control

(b) Address, Data

(c) Address, Data Control

(d) Ram Rom

41: Data bus is.

(a) Bi-directional

(b) Uni directional

(c) Multidirectional

(d) All

42: The control bus can only.

(a) Can receives signal from any unit

(b) Receive signals from memory

(c) Receives signals from CU only

(d) Receive signals from data bus

43: The address bus communicates between.

(a) CPU and system software

(b) ALU and ROM

(c) CPU and memory

(d) SeQ.uential and direct memory

44: The link between I/O devices and system board is provided by.

(a) Main Memory

(b) Secondary Memory

(c) Port

(d) Communication Software

45: The address bus is.

(a) Unidirectional

(b) Multidirectional

(c) Bi-directional

(d) Not directional specific

46: If the parallel ports contain wires then.

(a) 25 wires carry data

(b) 17 wires will carry data and rest will carry control signals

(c) 24 wires will carry data and I will carry control signal

(d) 8 wires will carry data and rest will carry control signals

47: The hardware – parts of a computer system consist of components.

(a) Physical

(b) Logical

(c) Chemical

(d) Mechanical

48: The bus which controls signals between CPU and other devices is called.

(a) Address Bus

(b) Data Bus

(c) Control Bus

(d) Signal Bus

49: The devices which are used to give data into computers are called.

(a) Input devices

(b) Output devices

(c) Electronic Devices

(d) System Unit

50: Main unit consists of.

(a) Processing

(b) Control Console

(c) Disk Drive

(d) All of these

Leave a Comment