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CHAPTER NO : 2
COMPUTER COMPONENTS
Encircle the most appropriate answer from the following options
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