Computer Science

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

• To walk the dog

• To brew coffee

• To execute instructions and perform calculations

• To bake a cake

Name three examples of input devices.

• Printer

• Monitor

• Keyboard, Mouse, Scanner

• Headphones

Explain the difference between RAM and ROM.

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

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

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

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

What is the purpose of an operating system?

• To teach algebra

• To bake cookies

• To manage computer resources, provide a user interface, and facilitate communication between software and hardware.

• To predict the weather

What is the role of a graphics card in a computer?

• A graphics card is used to store data on a computer.

• The role of a graphics card is to control the computer's cooling system.

• The role of a graphics card in a computer is to render images and videos for display.

• The graphics card is responsible for managing the computer's power supply.

Give an example of a word processing software.

• Microsoft Word

• Google Docs

• Excel

• Photoshop

What is the function of a spreadsheet software?

• Organize, analyze, and store data in a tabular format

• Play music

• Create animations

• Send emails

Name a popular antivirus software.

• Norton

• McAfee

• Kaspersky

• Avast

Explain the difference between system software and application software.

• System software is used by end-users to perform specific tasks.

• System software acts as an interface between hardware and user applications, whereas application software is used by end-users to perform specific tasks.

• Application software acts as an interface between hardware and user applications.

• System software and application software are the same.

What is the purpose of a web browser?

• The purpose of a web browser is to control a spaceship in outer space.

• The purpose of a web browser is to play video games online.

• The purpose of a web browser is to cook recipes from the internet.

• The purpose of a web browser is to access and interact with information on the World Wide Web.