Unit 2 BTEC main computer components

Which two components need cooling when running?

• RAM

• HDD

• CPU

• Power Supply (PSU)

• ROM

What is the main role of a CPU?

• Stores data

• Processes data

• Outputs data

• Inputs data

Which of these permanently stores data?

• Hard Disk

• RAM

• Cache memory

• CPU

What does an expansion card do?

• Provides additional functionality

• Provides storage

• Tests the computer

• Speeds up the network

Which of these is processed by the CPU?

• Denary

• RAM

• hexadecimal

• Instructions

Which two of these would you find in a CPU?

• Control Unit

• Hard disk

• ALU

• Networking

Where is Cache Memory?

• in the RAM

• in the ROM

• in the CPU

• In the BIOS

How much data can be processed in one clock cycle?

• One bit

• One byte

• One word

• One character

What statement is true about cache memory?

• It provides extra storage

• It buffers between fast and slow components

• It speeds up networks

• It helps to protect the systen

Which two statements are true about a data bus?

• It is a connection on a PCB, such as a motherboard

• It provides network connectivity

• A bigger bus means more data can be transferred

• It is an external component