Basic IT Skills

Question 1

What is a computer?

Answer 1

A computer is an electronic device that manipulates, processes input/ output store and processes data

Question 2

What are input devices?

Answer 2

Input devices are any physical components of the computer that you can touch.

Question 3

Give examples of input devices.

Answer 3

Examples include keyboard, mouse, and scanner.

Question 4

What are output devices?

Answer 4

Output devices refer to any device that allows a user to display information from the computer.

Question 5

Give examples of output devices.

Answer 5

Examples include monitors and printers.

Question 6

What are storage devices?

Answer 6

Storage devices refer to any device that allows a user to store data or information.

Question 7

Give examples of storage devices.

Answer 7

Examples include SSD, HDD, USB, and flash drives.

Question 8

What are processing devices?

Answer 8

Processing devices refer to any device that allows a computer to process information.

Question 9

What is the central processing unit (CPU)?

Answer 9

The CPU is the primary component that performs most of the processing inside a computer.

Question 10

What is a motherboard?

Answer 10

The motherboard is the main circuit board that connects all components of the computer.

Question 11

What is RAM?

Answer 11

RAM (Random Access Memory) is a type of computer memory that can be accessed randomly.

Question 12

What are the roles of software?

Answer 12

Software refers to programs that enable the hardware to function.

Question 13

What is an operating system?

Answer 13

An operating system is software that manages computer hardware and software resources.

Question 14

What is the purpose of operating systems?

Answer 14

To manage computer hardware and software resources and provide common services for computer programs.

Question 15

Fill in the blank: An _______ is a software that manages computer hardware and software resources.

Answer 15

[operating system]

Question 16

What are examples of operating systems?

Answer 16

• Windows
• macOS
• Linux

Question 17

True or False: Operating systems can only run on personal computers.

Answer 17

False

Question 18

What is a multi-user operating system?

Answer 18

An operating system that allows multiple users to access the computer resources simultaneously.

Question 19

Fill in the blank: Examples of multi-user operating systems include _______.

Answer 19

[Unix, Linux, Windows Server]

Question 20

What is a real-time operating system?

Answer 20

Designed for applicants that require immediate response and low latency.
Used in time-sensitive and mission-critical systems.

Question 21

True or False: A real-time operating system is designed for applications where timing is critical.

Answer 21

True

Question 22

What are some characteristics of embedded operating systems?

Answer 22

• Designed for specific tasks
• Resource-constrained environments
• Often real-time

Question 23

Fill in the blank: Embedded operating systems are often found in _______.

Answer 23

[Smart tvs, automotive systems, ATMs]

Question 24

What are the benefits of using a command-line interface?

Answer 24

• Greater control over system operations
• More efficient for experienced users
• Scripting capabilities

Question 25

What is the main purpose of Mobile operating system

Answer 25

To facilitate user interactions on devices like smartphones and tablets ## Footnote Designed specifically for touchscreen interfaces and mobile devices.

Question 26

What types of devices is Mobile operating systems

Answer 26

Smartphones, tablets, and other mobile devices ## Footnote Includes hardware support for touchscreen interfaces.

Question 27

What is the role of Network Operating System (NOS)?

Answer 27

To manage network resources, users, and security

Question 28

What is the function of the 'cloud' in this context?

Answer 28

To provide quick internet connectivity for full functionality ## Footnote Essential for remote data storage and access.

Question 29

What does LAN stand for in networking?

Answer 29

Local area network ## Footnote Refers to local area networks that connect devices in a limited geographic area.

Question 30

What is the meaning of WAN in networking?

Answer 30

Wide area network ## Footnote Refers to a Wide Area Network (WAN) connects networks over large distances using various communication technologies, enabling long-distance data exchange.

Question 31

What does MAN stand for?

Answer 31

Metropolitan area network ## Footnote Refers to metropolitan area networks that cover a larger geographic area than LANs but smaller than WANs.

Question 32

What is PAN in networking?

Answer 32

Personal area network ## Footnote Refers to personal area networks that connect personal devices within a very short range.

Question 33

What does WLAN stand for?

Answer 33

Wireless local area network ## Footnote Refers to wireless local area networks that allow devices to connect without physical cables.

Question 34

What does P2P stand for in networking?

Answer 34

Peer-to-Peer network ## Footnote Refers to a decentralized network where each participant can act as both a client and a server.

Question 35

What is a VPN?

Answer 35

Virtual private network ## Footnote Refers to virtual private networks that create secure connections over the internet.

Question 36

What does CAN

Answer 36

Campus area network ### A Campus Area Network (CAN) connects multiple local networks within a limited geographical area, such as a university, business campus, or military base.

Question 37

Fill in the blank: A computer network is a system that interconnects devices that share _______.

Answer 37

Data and resources using wired or wireless connections

Question 38

What is the main function of a network?

Answer 38

To interconnect devices and share resources ## Footnote Networks facilitate communication and data exchange between devices.

Question 52

What is SAN

Answer 52

A Storage Area Network (SAN) is a high-speed network that connects storage devices to servers, allowing centralized data storage and management.

Question 53

What is Peer-to-peer topology

Answer 53

Peer-to-peer (P2P) topology is a network model where all devices (nodes) share equal responsibilities, directly communicating and sharing resources without relying on a central server.