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Input & Output Devices

Total questions: 100

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

The role of input devices in a computer system is to:

a)

Process data

b)

Store data

c)

Input data

d)

Output data

2.

Fill in the blank: Output devices are responsible for returning the processed data back to the _______.

a)

user

b)

computer

c)

network

d)

database

3.

Is a computer an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

4.

Are speakers an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

5.

Is a projector an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

6.

Is a laptop an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

7.

Is a microphone an Input or Output device?

a)

Input

b)

Output

c)

Input/Output

8.

Is a webcam an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

9.

Is an interactive display an Input or Output device?

a)

A) Input

b)

B) Output

c)

C) Input/Output

10.

Is a printer an Input or Output device?

a)

Input

b)

Output

c)

Input/Output

11.

What does a computer system consist of?

4 lines
12.

What is hardware in a computer system?

4 lines
13.

Hardware can be ______ or external.

a)

Hardware can be internal or external.

b)

Hardware can be software or external.

c)

Hardware can be digital or external.

d)

Hardware can be virtual or external.

14.

What is computer architecture?

4 lines
15.

What is the function of input devices?

a)

To store data permanently

b)

To interact with a computer system by taking real world information and converting it into data

c)

To return processed data to the user

d)

To power off the computer

16.

What do output devices do?

a)

Store data

b)

Convert real world information into data

c)

Return the processed data back to the user

d)

Power the computer

17.

Backing storage devices are where a computer's data is stored, even after the computer is ____.

a)

powered off

b)

restarted

c)

in use

d)

connected to the internet

18.

What's inside a computer?

a)

Processor, Memory, Storage, and Power Supply

b)

Processor, Monitor, Keyboard, and Mouse

c)

Processor, Printer, Scanner, and Webcam

d)

Processor, Internet, Software, and Hardware

19.

What is the component labeled as 'PSU' in the HP DC7900 SFF?

a)

Power Supply Unit

b)

Hard Disk Drive

c)

Optical Drive

d)

Cooling Fan

20.

Identify the component labeled as 'HDD' in the HP DC7900 SFF.

a)

A) Hard Disk Drive

b)

B) Motherboard

c)

C) PCI Expansion Slot

d)

D) RAM

21.

The function of the component labeled as 'Optical Drive' in the HP DC7900 SFF is:

a)

To read and write CDs and DVDs

b)

To store data permanently

c)

To connect to the internet

d)

To provide power to the computer

22.

Fill in the blank: The component labeled as 'Motherboard' in the HP DC7900 SFF is the ________ of the computer.

a)

main circuit board

b)

power supply unit

c)

hard drive

d)

graphics card

23.

Which component in the HP DC7900 SFF is responsible for processing data and is located under the heat sink?

a)

A) CPU

b)

B) RAM

c)

C) PCI Expansion Slot

d)

D) Cooling Fan

24.

The role of the 'Cooling Fan' in the HP DC7900 SFF is to:

a)

cool the processor

b)

provide power to the system

c)

store data

d)

connect to the internet

25.

Fill in the blank: The 'RAM' in the HP DC7900 SFF stands for ________.

a)

Random Access Memory

b)

Readily Available Memory

c)

Rapid Access Module

d)

Random Allocation Module

26.

Which component in the HP DC7900 SFF is used for adding additional cards like graphics or network cards?

a)

A) PCI Expansion Slot

b)

B) Optical Drive

c)

C) Hard Disk Drive

d)

D) Power Supply Unit

27.

What is the CPU responsible for in a computer system?

a)

Storing data

b)

Processing instructions

c)

Displaying graphics

d)

Managing network connections

28.

What is the function of the Control Unit in a CPU?

4 lines
29.

Which part of the CPU performs calculations?

4 lines
30.

Registers hold data and instructions that are about to be used by the ____.

a)

CPU

b)

Memory

c)

Hard Drive

d)

Cache

31.

Data flow in a CPU is represented by which type of line in the diagram?

4 lines
32.

What does ROM stand for in a computer system?

a)

Read-Only Memory

b)

Random-Only Memory

c)

Read-Once Memory

d)

Run-Only Memory

33.

Which type of memory stores data even if the computer is switched off?

a)

RAM

b)

ROM

c)

Cache

d)

Hard Drive

34.

What is the main function of RAM in a computer system?

a)

To store data temporarily for quick access

b)

To permanently store data

c)

To process data

d)

To connect to the internet

35.

Which type of memory loses data if the computer is switched off?

a)

A) RAM

b)

B) ROM

c)

C) SSD

d)

D) HDD

36.

What is backing storage used for?

4 lines
37.

Fill in the blank: Hard Disk Drives have moving parts making read/write times a little ______.

a)

slower

b)

faster

c)

unpredictable

d)

consistent

38.

What is the storage capacity of the iPhone shown in the image?

a)

256 MB

b)

256 GB

c)

256 KB

d)

256 TB

39.

What is the storage capacity of the floppy disk shown in the image?

a)

1.44 MB

b)

1.44 GB

c)

1.44 KB

d)

1.44 TB

40.

What is the storage capacity of the Apollo Guidance Computer (1969) shown in the image?

a)

32 MB

b)

32 GB

c)

32 KB

d)

32 TB

41.

What is the storage capacity of the PlayStation 5 shown in the image?

a)

825 MB

b)

825 GB

c)

825 KB

d)

825 TB

42.

What is the storage capacity of the SanDisk Ultra SD card shown in the image?

a)

32 MB

b)

32 GB

c)

32 KB

d)

32 TB

43.

What is the storage capacity of the Apple Watch shown in the image?

a)

32 MB

b)

32 GB

c)

32 KB

d)

32 TB

44.

What is the storage capacity of the DVD shown in the image?

a)

4.7 MB

b)

4.7 GB

c)

4.7 KB

d)

4.7 TB

45.

What is the storage capacity of the Blu-ray disc shown in the image?

a)

25 MB

b)

25 GB

c)

25 KB

d)

25 TB

46.

What is the smallest unit of information on a computer?

4 lines
47.

How many bits are there in a byte?

a)

8

b)

4

c)

16

d)

32

48.

Refer to the diagram. What is the binary representation of a byte shown in the image?

4 lines
49.

What is the smallest unit of storage?

a)

Bytes

b)

Kilobytes

c)

Megabytes

d)

Gigabytes

50.

Match the following units of storage in order from smallest to largest:

a)

Bytes

1.

Bytes

b)

Kilobytes

2.

Kilobytes

c)

Megabytes

3.

Megabytes

d)

Gigabytes

4.

Gigabytes

e)

Terabytes

5.

Terabytes

51.

One kilobyte (Kb) is ______ bytes.

a)

1024

b)

1000

c)

512

d)

2048

52.

One gigabyte (Gb) is ______ kilobytes.

a)

1024

b)

1000

c)

2048

d)

512

53.

One terabyte (Tb) is ______ gigabytes.

a)

1024

b)

1000

c)

2048

d)

512

54.

One petabyte (Pb) is ______ terabytes.

a)

1024

b)

1000

c)

2048

d)

512

55.

What is the file extension for Microsoft Word?

a)

.pdf

b)

.doc/.docx

c)

.xls/.xlsx

d)

.txt

56.

What does the file extension .pdf stand for?

a)

Portable Document Format

b)

Microsoft Word

c)

Text File

d)

Microsoft Excel

57.

What is the file extension for Microsoft Excel?

a)

.doc/.docx

b)

.pdf

c)

.xls/.xlsx

d)

.txt

58.

What is the file extension for a Text File?

a)

.doc/.docx

b)

.pdf

c)

.xls/.xlsx

d)

.txt

59.

What does the file extension .jpeg/.jpg stand for?

a)

Joint Photographic Experts Group

b)

Portable Networks Graphic

c)

Graphics Interchange Format

d)

Bitmap Image

60.

What is the file extension for Portable Networks Graphic?

a)

.jpeg/.jpg

b)

.png

c)

.gif

d)

.bmp

61.

What does the file extension .gif stand for?

a)

Graphics Interchange Format

b)

Bitmap Image

c)

Scalable Vector Graphic

d)

Joint Photographic Experts Group

62.

What is the file extension for Bitmap Image?

a)

.jpeg/.jpg

b)

.png

c)

.gif

d)

.bmp

63.

What does the file extension .svg stand for?

a)

Scalable Vector Graphic

b)

Graphics Interchange Format

c)

Bitmap Image

d)

Portable Networks Graphic

64.

What is the file extension for MPEG Layer Audio 3?

a)

.mp3

b)

.m4a

c)

.wav

d)

.mp4

65.

What does the file extension .m4a stand for?

a)

MPEG 4 Audio

b)

MPEG Layer Audio 3

c)

Waveform Audio File

d)

Audio Video Interleave

66.

What is the file extension for Waveform Audio File?

a)

.mp3

b)

.m4a

c)

.wav

d)

.mp4

67.

What does the file extension .mp4 stand for?

a)

MPEG Layer 4

b)

QuickTime Movie

c)

Audio Video Interleave

d)

MPEG 4 Audio

68.

What is the file extension for QuickTime Movie?

a)

.mp4

b)

.mov

c)

.avi

d)

.m4a

69.

What is the main purpose of compression?

4 lines
70.

Compression is used for the following reasons:

a)

To reduce the size of data for storage efficiency and to speed up transmission.

b)

To increase the size of data for better quality and to slow down transmission.

c)

To encrypt data for security and to make it unreadable.

d)

To duplicate data for backup and to increase redundancy.

71.

True or False: Compression makes files larger.

a)

True

b)

False

72.

So how can we represent everything on a computer using just 1s and 0s?

a)

By using binary code

b)

By using hexadecimal system

c)

By using decimal system

d)

By using octal system

73.

Which of the following is a type of network configuration?

a)

Bus

b)

Tree

c)

Mesh

d)

Hybrid

74.

Which of the following is a type of network configuration?

a)

Ring

b)

Tree

c)

Mesh

d)

Hybrid

75.

Which of the following is a type of network configuration?

a)

Star

b)

Tree

c)

Mesh

d)

Hybrid

76.

Discuss the Bus Network. Identify its characteristics and how it differs from other network types.

a)

Bus Network is a type of network topology where each computer and network device is connected to a single cable.

b)

Bus Network is characterized by a central hub to which all computers are connected.

c)

Bus Network is a type of network where data is sent in a ring-like structure.

d)

Bus Network is a wireless network topology.

77.

Discuss the Ring Network. Identify its characteristics and how it differs from other network types.

a)

What are the characteristics of a Ring Network and how does it differ from other network types?

b)

Explain the features of a Ring Network and its differences from other network types.

c)

Describe the Ring Network, its characteristics, and its differences from other network types.

d)

What distinguishes a Ring Network from other network types in terms of characteristics?

78.

Discuss the Star Network. Identify its characteristics and how it differs from other network types.

a)

A Star Network is characterized by a central hub that connects all nodes.

b)

A Star Network is a decentralized network with no central hub.

c)

A Star Network is similar to a Ring Network in structure.

d)

A Star Network is primarily used for peer-to-peer connections.

79.

A computer network is a system that allows computers to:

a)

communicate and share resources

b)

operate independently without interaction

c)

function without electricity

d)

store data without any external devices

80.

Which of the following can be used as data links in a computer network?

a)

Wires

b)

Optical fibre

c)

Wi-Fi

d)

All of the above

81.

Name some devices that can be part of a computer network.

a)

Printer, Scanner, Router

b)

Microwave, Refrigerator, Oven

c)

Television, Radio, Speaker

d)

Washing Machine, Dryer, Dishwasher

82.

What is a Local Area Network (LAN)?

a)

A network that covers a small geographic area, like a home or office

b)

A network that covers a large geographic area, like a city or country

c)

A type of network that connects devices wirelessly

d)

A network that connects multiple cities

83.

Which of the following devices can be part of a Local Area Network (LAN)?

a)

Printers

b)

Scanners

c)

Projectors

d)

All of the above

84.

How is information commonly stored and accessed in a Local Area Network (LAN)?

a)

Through a central server

b)

Using peer-to-peer connections

c)

Via cloud storage

d)

Directly on individual devices

85.

What is a Wide Area Network (WAN)?

4 lines
86.

A WAN is capable of connecting ______ across cities, countries or across the whole world.

a)

LANs

b)

Computers

c)

Printers

d)

Routers

87.

What is the most popular WAN in the world?

4 lines
88.

What is the first step in simulating network communication in the class?

a)

Understanding the network topology

b)

Setting up the network devices

c)

Configuring the network protocols

d)

Testing the network connectivity

89.

How many IP addresses will each member of the class be assigned?

a)

1

b)

2

c)

3

d)

4

90.

What should you write in the 'From' box on the data packet?

a)

Sender's address

b)

Receiver's address

c)

Date of sending

d)

Subject of the packet

91.

How should each data packet be numbered?

a)

Sequentially

b)

Randomly

c)

Based on size

d)

Based on content

92.

What should you write on the back of each data packet?

a)

Source address

b)

Destination address

c)

Packet number

d)

Checksum

93.

The teacher will do something with the data packets after they are collected.

a)

Analyze them

b)

Discard them

c)

Store them

d)

Share them with students

94.

What is the final task with the data packets?

a)

Analyze the data packets

b)

Discard the data packets

c)

Store the data packets

d)

Transmit the data packets

95.

What are the two main goals of network security?

a)

Confidentiality and Integrity

b)

Authentication and Authorization

c)

Availability and Scalability

d)

Encryption and Decryption

96.

Which of the following is a method to keep your information secure on a computer network?

a)

Using a Firewall

b)

Anti-Malware

c)

Passwords

d)

Encryption

97.

The purpose of using a firewall in network security is to:

a)

block unauthorized access while permitting outward communication

b)

increase the speed of the network

c)

provide a backup for data

d)

enhance the quality of the network connection

98.

List the four main ways to keep your information secure on a computer network.

a)

Use strong passwords, enable firewalls, update software regularly, and use encryption.

b)

Share passwords with trusted friends, disable firewalls, avoid software updates, and use public Wi-Fi.

c)

Use weak passwords, disable firewalls, update software rarely, and avoid encryption.

d)

Share passwords with everyone, enable firewalls, never update software, and avoid encryption.

99.

What is the primary function of a firewall?

a)

To monitor and control incoming and outgoing network traffic

b)

To store data securely

c)

To provide internet access

d)

To manage user accounts

100.

Which of the following is usually part of the operating system on each computer?

a)

A) Hardware firewall

b)

B) Software firewall

c)

C) Internet Service Provider

d)

D) LAN

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