Computer Hardware and Software

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

• To execute instructions and perform calculations

• To water plants

• To play music

• To brew coffee

Name two types of storage devices commonly used in computers.

• RAM and CPU

• Optical Drives and Flash Drives

• Hard Disk Drives (HDDs) and Solid State Drives (SSDs)

• Motherboard and Power Supply

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 graphics processing, while ROM is used for audio processing.

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

• RAM and ROM are interchangeable terms with no actual difference.

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

• To predict the weather

• To play music

• To manage computer resources and provide a user interface.

• To cook breakfast

What is the role of a GPU in a computer?

• It manages the computer's power supply

• It controls the computer's cooling system

• It is responsible for typing text on a computer screen

• It is responsible for rendering images, videos, and animations on a computer screen.

Define the term 'motherboard' in relation to computer hardware.

• The motherboard is a storage device used to store data in a computer.

• The motherboard is the main circuit board in a computer that connects all the components together.

• The motherboard is a peripheral device that connects to the computer wirelessly.

• The motherboard is a type of software used to control the computer's hardware components.

What is the difference between software and hardware?

• Software and hardware are the same thing.

• Hardware is a collection of instructions that tell the computer how to perform specific tasks.

• Software is physical components like the processor, memory, and storage devices.

• Software is a collection of instructions that tell the computer how to perform specific tasks, whereas hardware includes the physical components like the processor, memory, and storage devices.

Explain the concept of virtual memory.

• Virtual memory is a memory management technique that allows a computer to compensate for physical memory shortages by temporarily transferring data from RAM to disk storage.

• Virtual memory is only used in mobile devices

• Virtual memory is a type of physical memory

• Virtual memory is a hardware component

What is the function of a power supply unit (PSU) in a computer?

• Convert AC power to DC power for computer components.

• Provide additional storage space for files

• Regulate internet speed for the computer

• Control the computer's operating system

Name two examples of input devices used with computers.

• Webcam

• Keyboard, Mouse

• Scanner

• Trackpad