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.
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9th Class Computer Science Chapter 02 MCQs with Answers
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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.
What is COMPUTER COMPONENTS?
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.
CHAPTER NO: 2 COMPUTER COMPONENTS
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?
(a) BASIC
(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