GCSE - 03 Von Neumann Architecture

The MAR and MDR are found in the CPU. What does MAR stand for?

The MAR and MDR are found in the CPU. What does MDR stand for?

In which CPU register is the memory address of the next instruction stored?

• Program Counter

• Accumulator

• Memory Data Register

• Memory Address Register

In the Von Neumann Architecture, different memory units are used for data and instructions.

• True

• False

Which three of the following are examples of instructions that might be executed by the CPU?

• Load Data

• Perform Calculations

• Halt Program

• Search Internet

What is held in the MAR?

• Memory addresses that have already been used

• Memory addresses that might be used in the future

• Memory addresses that are about to be used by the CPU

• Memory addresses currently being used in the CPU

A memory address is copied from the program counter to the...?

Instructions stored in the MAR are copied into the...?

The control unit decodes and executes the instructions. This could involve things like writing data to memory or performing operations in the...?