Understanding Internal PC Components

Which component is considered the 'brain' of the computer, responsible for executing instructions?

• Hard drive

• Central Processing Unit (CPU)

• Graphics Processing Unit (GPU)

• Power supply

What is the primary function of RAM in a computer?

• To store permanent files

• To provide temporary storage for active processes

• To cool the system

• To supply power

Which component is responsible for converting AC mains electricity to the DC power required by internal components?

• Motherboard

• Power supply unit (PSU)

• CPU

• RAM

Which of the following is a type of non-volatile storage?

• RAM

• Hard Disk Drive (HDD)

• CPU

• Cache

What does the motherboard primarily do?

• Stores data permanently

• Connects and allows communication between all internal components

• Cools the CPU

• Increases graphics performance

Which component is specifically designed to handle complex graphics calculations?

• CPU

• GPU

• RAM

• SSD

What is the typical unit of measurement for RAM capacity?

• Ounces

• Gigabytes (GB)

• Metres

• Miles

Which of the following is NOT an internal storage device?

• SSD

• HDD

• USB flash drive

• NVMe drive

What is the main purpose of a heat sink in a PC?

• To store data

• To dissipate heat from components

• To supply power

• To process instructions

Which component is responsible for storing the BIOS/UEFI firmware?

• RAM

• ROM chip

• GPU

• PSU