Von Neumann achitecture

Before von Neumann computers were built to perform just one job. What idea did von Neumann have which is still in use today?

• Memory on the CPU

• Stored program concept

• separate input and output devices

• registers on the CPU

What is the missing label?

• storage

• bus

• output

• CPU

What is the CPU?

• central processing unit

• central processor unit

• common processing unit

• central process utility

What is the purpose of a bus in von Neumann architecture?

• transfer instructions from main memory to the CPU

• transfer data between the CPU and main memory

• move data around the CPU

• save data in the main memory

There are 3 buses in von Neumann architecture. The data bus, the control bus and ???

• address bus

• instruction bus

• processor bus

• arithmetic bus

What is the role of the clock in von Neumann architecture?

• allow instructions to be time stamped

• synchronise the actions of the CPU

• record the time taken to carry out each instruction

• tell the control unit when to send an instruction

What is a bus in von Neumann architecture?

• a register

• part of the CPU

• a collection of wires

• an output device

The speed of the clock is measured in cycles per second. This is expressed as .....?

• gigabytes (GB)

• megabytes (MB)

• gigahertz (GHz)

• cps (cycles per second

What is a register?

• performs calculations in the ALU

• a very fast part of main memory

• part of the control unit

• a small piece of very fast memory in the CPU

What is the ALU?

• Arithmetic Logic Unit

• Answers Logic Units

• Arithmetical Leverage Unit

• Arithmetic Logical Utility