Internal hardware of a computer (A Level Computer Science)

Which of the following are internal components of a computer system?

• Processor (or CPU)

• Main Memory (RAM)

• I/O Controllers

• Buses

• Keyboard

Which of these are a type of bus that connects internal components?

• Data bus

• Address bus

• Control bus

• Venga bus

Which special purpose register is missing from this diagram?

• Memory Address Register

• Memory Data Register

• Central Processing Register

• Fetch-Decode-Execute Register

Which special purpose register hold the current instruction that is being carried out?

• Current Instruction Register

• Memory Buffer Register

• Memory Data Register

• Status Register

Which special purpose register holds the address of the next instruction to be carried out?

• Program Counter

• Memory Address Register

• Memory Data Register

• Current Instruction Register

What is a register?

• Memory location that is internal to the processor

• Single bit memory circuit

• Set of parallel wires inside a processor

• Single unit of memory inside the Main Memory (RAM)

Which bus is labelled with (a)?

• Address Bus

• Data Bus

• Control Bus

Which bus is labelled with (b)?

• Address Bus

• Data Bus

• Control Bus

Which bus is labelled with (c)?

• Address Bus

• Data Bus

• Control Bus

Which computer system architecture uses separate memory and buses for data and for instructions?

• Harvard

• Von Neumann

• Stanford

• Cambridge