Computer Basics for Grade 14

What is the main function of a CPU in a computer?

• Display images on the screen

• Execute instructions and perform calculations

• Play audio and video files

• Store files and documents

Name three examples of input devices commonly used with computers.

• Scanner

• Trackpad

• Joystick

• Keyboard, Mouse, Microphone

Explain the difference between RAM and ROM in a computer system.

• RAM and ROM are interchangeable terms for the same type of memory.

• RAM is non-volatile memory used for permanent storage, while ROM is volatile memory used for temporary data storage.

• RAM is used for long-term storage, while ROM is used for short-term storage.

• RAM is volatile memory used for temporary data storage, while ROM is non-volatile memory used for permanent storage of firmware and boot-up instructions.

What is the purpose of a motherboard in a computer?

• To cook the computer's internal components

• To provide lighting effects for the computer

• To play music for the computer

• To provide a platform for components to communicate with each other.

Define the term 'LAN' in the context of computer networks.

• Laptop Area Network

• Local Area Network

• Large Area Network

• Local Access Network

What is the difference between a hub and a switch in networking?

• A hub operates at Layer 3 of the OSI model, while a switch operates at Layer 2.

• A hub broadcasts data to all devices, while a switch forwards data only to the intended recipient.

• A hub filters data based on IP addresses, while a switch filters based on MAC addresses.

• A hub has multiple ports, while a switch has a single port.

Explain the concept of IP address and its importance in networking.

• IP addresses are randomly assigned and do not serve any specific purpose in networking.

• An IP address is crucial in networking as it enables devices to communicate with each other over a network by providing a way to identify and locate each device. Without IP addresses, data packets would not be able to reach their intended destinations.

• IP addresses are not necessary for devices to communicate on a network.

• An IP address is only used for security purposes in networking.

What is the role of an operating system in a computer?

• Manages computer resources, provides a user interface, enables communication between software and hardware.

• Plays music

• Decides what to wear

• Makes coffee for the user

Name three examples of productivity software applications.

• Zoom

• Microsoft Office Suite, Google Workspace, Trello

• Slack

• Adobe Creative Suite

Differentiate between system software and application software.

• System software is used for gaming, while application software is for productivity.

• System software provides a platform for running application software and manages computer hardware, while application software performs specific tasks for end-users.

• System software is only used by professionals, while application software is for personal use.

• System software is designed for mobile devices, while application software is for computers.