Raspberry PI 4

What is a register?

• A location to store attendance

• A small, fast access memory location

• A location to store status quickly

What is a clock?

• A clock records the number of cycles

• A clock times how long a processor has been running

• A clock synchronises the cycles per second

What does ALU stand for?

• Arithmetic logic unit

• Arithmetic link unit

• Algorithm logic unit

What is a control unit?

• A unit that regulates the speed of the system

• A unit that executes instructions

• A unit that tells the other components how to respond to instructions

What is a bus?

• A single wire that transfers data

• A set of wires that transfer data

• A transportation vehicle driven by a pigeon

What is the role of the ALU?

• The ALU helps to save to memory

• The ALU carries out logical and mathematical operations

• The ALU controls the bus system