OCR Computer Science - 1.1 - Von Neumann Architecture

All the instructions that any particular CPU can use are known as the 

• Instruction set
• Keyword set
• Word set
• Character set

The Accumulator is a type of what?

• Register
• Buffer
• RAM
• Cache

Clock speed is measured in

• Hertz
• Words
• Bits Per Second
• Metres Per Second

Von Neumann computers use two processors

• True
• False

What does CPU stand for?

• Central Processing Unit
• Computer Protocol User
• Cool Pokemon Unit
• Computer Processing Unit

Which of these is not a step in the FDE cycle?

• Instructions are fetched from main memory
• Instructions are decoded in the control unit
• The decoded instruction is executed
• The ALU decodes the instructions

Clock speed measures what?

• Speed at which instructions are fetched from main memory
• Time taken to perform a single Fetch-Decode-Execute cycle
• Number of Fetch-Decode-Execute cycles that can be completed in 1 sec
• Speed at which instructions are decoded 

What does ALU stand for?

• Arguable Logic Unit
• Arithmetic Larger Unit
• Arithmetic Logic Unit 
• Arithmetic Logic Utility

Carries the addresses of data between the processor and memory

• Address bus

• Data bus

• Control bus

• System bus

Carries data between the processor, the memory unit and the input/output devices

• Address bus

• Data bus

• Control bus

• System bus