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system fundamentals

Total questions: 120

Worksheet time: 40mins

Name
Class
Date
1.

The brain of any computer system is

a)

ALU

b)

Memory

c)

CPU

d)

Control Unit

e)

None of the above

2.

Any data or instruction entered into the memory of a computer is considered as

a)

Storage

b)

Output

c)

Input

d)

Information

e)

None of these

3.

Select three input devices your computer uses:

a)

Mouse, keyboard, monitor

b)

Mouse, keyboard, scanner

c)

Mouse, printer, CPU

d)

Mouse, scanner, printer Mouse, scanner, printer

4.

Which of the following is not an input device?

a)

Keyboard

b)

Joystick

c)

Monitor

d)

Microphone

5.

Physical components that make up your computer are known as:

a)

Software

b)

Hardware

c)

Operating Systems

d)

Web Browsers

6.

A computer has two main parts: _______________ and _______________.

a)

hardware, lightware

b)

software, brightware

c)

hardware, software

d)

lightware, brightware

7.

Set of ____________________ given to the computer is called software.

a)

instructions

b)

stories

c)

hardware

d)

numbers

8.

_____________________ software co-ordinates different parts of computer.

a)

System

b)

Application

c)

Input

d)

None of these

9.

Hardware cannot be touched and seen.

a)

True

b)

False

10.

____________________ and _______________ are two types of software.

a)

System, application

b)

Internal, external

c)

System, external

d)

Internal, application

11.

................... are movable storage devices.

a)

CD

b)

DVD

c)

Both

12.

CD Stands for .......................

a)

Circular Disk

b)

Compact Disk

c)

Common Disk

13.

Which Storage device is this?

a)

Memory Card

b)

Flash Drive

c)

Hard Disk

14.

What lets the computer's hardware and software work together?

a)

Operating System

b)

Computer Virus

c)

Monitor

d)

Central Processing Unit

15.

Is this device Input or Output?

Printer

a)

Input

b)

Output

16.

1. What is software?

a)

a) any set of instructions that tells the

hardware what to do

b)

b) the video card on the monitor

c)

c) the operating system

d)

d) the monitor and computer case

17.

2. What is hardware?

a)

a) all the ports and buttons of a computer

b)

b) any part of your computer that has a

physical structure.

c)

c) is any part of your desktop

d)

d) software

18.

3. A _______ is an electronic device that manipulates

information, or data.

a)

a) Software

b)

b) Hardware

c)

c) Keyboard

d)

d) Computer

19.

10. The ________ is the computer's main circuit board. It's a thin

plate that holds the CPU, memory, connectors for the hard

drive and optical drives, expansion cards to control the

video and audio, and connections to your computer ports.

a)

a) RAM

b)

b) CPU

c)

c) Optical Disc Drive

d)

d) Motherboard

20.

11. The _____, also called a processor, is located inside the

computer case on the motherboard. It is sometimes called

the brain of the computer, and its job is to carry out

commands.

a)

a) CPU (Central Processing Unit)

b)

b) PUC (Processing Unit Central)

c)

c) CUP (Central Unit Processing)

d)

d) Center Process Uni

cation

21.

First mechanical calculator

a)

Difference engine

b)

Pascaline

c)

ENIAC

d)

EDVAC

22.

Second generation computers used

a)

Vacuum tubes

b)

Microprocessors

c)

Transistors

d)

Integrated circuits

23.

Used ICs

a)

First generation computers

b)

Second generation computers

c)

Third generation computers

d)

Fourth generation computers

24.

First calculating device

a)

Abacus

b)

Napier's bones

c)

Pascaline

d)

Difference engine

25.

Who built the Difference engine?

a)

a. Herman Hollerith

b)

b. Blaise Pascal

c)

c. Charles Babbage

d)

d. Howard Aiken

26.

Computer processing system

a)

input-output

b)

output-processing-output

c)

output-processing-input

d)

input-processing-output

27.

______ invented the napier's bona

a)

Maria Napier

b)

James Napier

c)

John Napier

d)

Jerry Napier

28.

RAM stands for ___________________________

a)

Read And Memory

b)

Random Access Memory

c)

Random Actual Memory

d)

Read Access Memory

29.

________________is Microsoft OS

a)

Windows

b)

Unix

c)

Linux

d)

ios

30.

The binary system uses powers of ___________

a)

2

b)

8

c)

10

d)

12

31.

A computer program that converts assembly language to machine language is called ___________

a)

Compiler

b)

Interpreter

c)

Assembler

d)

Comparator

32.

An operating system is a ______________

a)

hardware

b)

Software

c)

device

d)

EXE

33.

1 byte = ____________bits

a)

2

b)

6

c)

8

d)

16

34.

Who is the father of Computers?

a)

James Gosling

b)

Charles Babbage

c)

Dennis Ritchied

d)

Bjarne Stroustrup

35.

Which of the following computer language is written in binary codes only?

a)

machine language

b)

C

c)

C++

d)

Java

36.

A list of various coded instructions is known as __________

a)

Flowchart

b)

Program

c)

Algorithm

d)

ER diagram

37.

RAM is used as a short memory because it is _______

a)

Volatile

b)

Has small capacity

c)

Is very expensive

d)

Is programmable

38.

It is an improved Pascaline machine developed by Gottfried Wilhelm Leibniz in 1671.

a)

Abacus

b)

Napier's bones

c)

Step Reckoner

d)

Pascaline

39.

Mention 5 stages in system life cycle

4 lines
40.

It is the process of transforming data into the desired output. 

a)

Data Processing

b)

Data Technology

c)

Information System

d)

Information Technology

41.
Define what is meant by the 'internet'.
a)
A global network of computers connected together.
b)
A collection of websites and other resources identified by Uniform Resource Locators (URLs)
42.

RAM is....

a)

where information is stored

b)

is the working memory of a computer

c)

the backbone of the computer

d)

what executes the commands from the hardware or software

43.

Instructions or information given to a computer

a)

Input

b)

Output

c)

Storage

d)

Process

44.

The results given by a computer

a)

input

b)

output

c)

processing

d)

storage

45.

Keyboards and a mouse are both examples of

a)

input devices

b)

output devices

c)

storage devices

d)

processing devices

46.

Using this type of technology allows you to connect your device without wires

a)

USB

b)

MP3

c)

Bluetooth

d)

Browser

47.

RAM, Processors, Printers, Mouse, Keyboard, and Monitors are all examples of

a)

software

b)

malware

c)

spyware

d)

hardware

48.

This symbol on a device represents

a)

Internet

b)

Bluetooth

c)

WiFi

d)

Ethernet

49.

Smart phones are like mini computers?

a)

True

b)

False

50.

The main processor: every instruction goes through it.
a)
Motherboard
b)
CPU
c)
Operating System
51.

Show what the software is doing.
a)
Input Devices
b)
Output Devices
52.

Master program that manages the interactions between hardware and software.
a)
Software
b)
Operation System
c)
Hardware
53.

Stores information for the operation of a computer; similar to short-term memory.
a)
ROM
b)
REM
c)
RAM
d)
MAR
54.

Interpret the instructions from the software.
a)
Processors
b)
Transistors
55.

Basic unit of binary information.
a)
Hertz
b)
Bits
56.

The physical components of a computer.
a)
Software
b)
Operating System
c)
Hardware
57.

A unit of frequency equal to 1 cycle per second.
a)
Bits
b)
Hertz
58.
Which term best describes a digital scanner?
a)
Input hardware
b)
Output hardware
c)
Input Software
d)
Output Software
59.

Which part of the computer stores data when the power is off?

a)

RAM (ramdom access memory)

b)

HDD (hard disk drive)

c)

Motherboard

d)

Power supply

60.

Classifying the Computer Parts

Printer

a)

HARDWARE

b)

PERIPHERAL

61.

A (a)   is an electronic device than can store, retrieve and process data.

62.

Identify the device which helps to process data what we give?

a)
b)
63.
abbreviated "MB"...is equal to 1,000 kilobytes
a)
megabyte
b)
memorybyte
c)
measurebytes
d)
megamillion
64.
One megabyte is equal to ???????  kilobytes,
a)
10
b)
100
c)
1,000
d)
1, 000, 000
65.
How many bits are in a byte?
a)
2
b)
8
c)
10
d)
10,000
66.

The type of software that the users run to do various tasks on a computer is...

a)

System Software

b)

Application Software

c)

Utility Software

d)

Operative Software

67.

Two MAJOR category of software are:

a)

system software and utility programs

b)

operating system and system software

c)

utility programs and operating system

d)

system software and application software

68.

The capacity of your hard drive is measured in

a)

MHz

b)

Gigabytes

c)

Mbps

d)

52X

69.

USB stands for what?

a)

Universal Serial Bass

b)

Universal Series Box

c)

Universal Serial Bus

d)

Universal Series Bits

70.

What memory below is the largest?

a)

1TB

b)

100GB

c)

1PB

d)

550000 Bytes

71.
What happens to RAM when the computer is switched off?
a)
Data is lost
b)
Data is stored
c)
Data is retained for 10 seconds
72.
Which one is biggest...
a)
Bit
b)
Byte
c)
Megabyte
d)
Terrabyte
73.

The term Giga Byte refers to

a)

1024 B

b)

1000 B

c)

1024 MB

d)

1000 MB

74.

one Byte consists of

a)

4 bits

b)

8 bits

c)

16 bits

d)

1024 bits

75.
Which of these modes best describes a computer system?
a)
Input-output-process
b)
Process-input-output
c)
Input-process-output
76.

CPU stands for?

a)

Control Processing Unit

b)

Call Processing Unit

c)

Central Processing Unit

d)

Cost Processing Unit

77.

Sharpening the pencil. Identify the step.

a)

Process

b)

Output

c)

Input

78.

How many digits does a binary number system use?

a)

1

b)

2

c)

10

d)

100

79.

Which of the following is the domain name for government websites?

a)

.gov

b)

.com

c)

.edu

d)

.org

80.
Global networks connecting millions of computers
a)
Internet
b)
Modem
c)
Electronic Information
d)
Software
81.

Basic unit of binary information.
a)
Hertz
b)
Bits
82.

A (a)   is an electronic device than can store, retrieve and process data.

83.

Which device help us to send and receive pictures or video when we do a video call?

a)

Scanner

b)

Web camera

84.
What is meant by a Uniform Resource Locator?
a)
A range of software and services that run on the internet rather than on your PC.
b)
A company that provides access to the internet for business and individuals.
c)
Where you pay a web hosting company to host your website on one of their servers.
d)
Its the unique web address for every page on the internet.
85.
One megabyte is equal to ???????  kilobytes,
a)
10
b)
100
c)
1,000
d)
1, 000, 000
86.

The term Giga Byte refers to

a)

1024 B

b)

1000 B

c)

1024 MB

d)

1000 MB

87.

one Byte consists of

a)

4 bits

b)

8 bits

c)

16 bits

d)

1024 bits

88.
Which of these modes best describes a computer system?
a)
Input-output-process
b)
Process-input-output
c)
Input-process-output
89.

The phrase "We will, we will rock you!" when saved in a storage medium occupies how many bytes?

a)

26

b)

25

c)

35

d)

100

90.

What is the base number of the decimal system?

(a)  

91.

What is the base number of the hexadecimal system?

(a)  

92.

What numbering system do routers and computers primarily use?

(a)  

93.

What is the hexadecimal equivalent of binary 1010?

(a)  

94.

What is the binary equivalent of decimal 168?

(a)  

95.

What is the decimal value of the hexadecimal number D2?

(a)  

96.

True or False: 1 byte equals 8 bits.

a)

True

b)

False

97.

True or False: Hexadecimal numbers use digits 0–9 and letters A–F.

a)

True

b)

False

98.

True or False: The binary system uses digits from 0 through 9.

a)

True

b)

False

99.

True or False: Decimal 168 converts to 10101000 in binary.

a)

True

b)

False

100.

True or False: Hexadecimal A8 is equal to 168 in decimal.



a)

True

b)

False

101.

True or False:Binary 11000000.10101000.00001011.00001010 converts to 192.168.11.10 in decimal.

a)

True

b)

False

102.

What is the binary representation of the decimal number 132?

a)

10000110

b)

10000100

c)

11000011

d)

10010000

103.

What is the decimal equivalent of binary 10110001?

a)

178

b)

177

c)

176

d)

175

104.

What is the binary of decimal 11?

a)

00001010

b)

00001011

c)

00001100

d)

00001101

105.

What notation system uses base 16?


a)

Decimal

b)

Hexadecimal

c)

Binary

d)

Octal

106.

Which of the following is a correct hexadecimal number?

a)

G1

b)

Z9

c)

D2

d)

Q3

107.

What is the hexadecimal equivalent of binary 1010 1000?

a)

A7

b)

B8

c)

A8

d)

88

108.

Which numbering system is easier for networking devices to use?

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

109.

How many values can a single binary digit represent?

a)

1

b)

2

c)

10

d)

16

110.

Which of the following is not part of the binary number system?

a)

0

b)

1

c)

2

d)

All are part

111.

What is the binary of decimal 192?

a)

11000000

b)

10100000

c)

11100000

d)

10000000

112.

Which one is not a valid hexadecimal digit?

a)

A

b)

9

c)

G

d)

0

113.

How many binary digits make up one hexadecimal digit?

a)

2

b)

4

c)

8

d)

16

114.

What is the decimal value of hexadecimal 8F?

a)

143

b)

255

c)

128

d)

97

115.

IPv6 addresses are mainly represented in which format?

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

116.

What is 5432 in binary?

a)

101010011000

b)

1010100111000

c)

101110011100

d)

101010111000

117.

What is the first step to convert decimal to hexadecimal?

a)

Divide by 16

b)

Convert to binary

c)

Multiply by 16

d)

64Convert to octal

118.

Which positional value in binary corresponds to 2³?

a)

4

b)

8

c)

 2

d)

1

119.

What is the result of converting hexadecimal 1A to binary?

a)

00011011

b)

00011010

c)

00101010

d)

00011100

120.

What’s the binary for decimal 10?

a)

1010

b)

1100

c)

0110

d)

1110

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