Computer Structure

Computer Structure

Nat 5 Computing Science

Look at this image of a computer structure

Question will follow

Multiple Choice

What kind of devices would you find in the part of a computer structure labelled A?

• Memory

• Storage

• Output

• Input

Look at this image of a computer structure

Question will follow

Multiple Choice

Why is there only 1 arrow going from Processor to Output?

• Processor is Read only

• Processor can only write to output devices

• Output devices are read only

• Can read and write to output devices from processor

Parts of the Processor

• This diagram show the part of the Processor

• ALU

• Control Unit

• Registers

Multiple Choice

Which part of the processor makes sure program instructions are fetched, decoded and executed in the correct order?

• ALU

• Registers

• Control Unit

Multiple Choice

Which part of the processor performs logic operations (AND, OR, NOT)

• ALU

• Registers

• Control Unit

Multiple Choice

Which part of the processor temporarily stores data while the processor is working on the final answer?

• ALU

• Registers

• Control Unit

Multiple Choice

What is the speed of the clock in the Control Unit measured in?

• Gigabytes

• Hertz

• GigaHertz

• Bytes

Multiple Choice

What is the name given to the sets of wires that link the parts of the processor?

• Ethernet

• Copper

• Buses

• Coaxial

Multiple Choice

Which part of the processor would perform the comparison in a program "if age > =17"

• ALU

• Registers

• Control Unit

Multiple Choice

Which bus carries a memory location from the processor to RAM?

• Address Bus

• Data Bus

• Control Bus

Multiple Choice

Which bus carries data / instructions to and from the processor and main memory

• Address Bus

• Data Bus

• Control Bus

Multiple Choice

Which bus is uni-directional?

• Address Bus

• Data Bus

• Control Bus

Multiple Choice

Which bus carries signals to memory to provide the information needed to perform either a read from memory or a write to memory

• Address Bus

• Data Bus

• Control Bus

Multiple Choice

If the width of the address bus is 8 bits how many memory locations can it address?

• 8

• 80

• 128

• 256

Multiple Choice

Which type of memory is non-volatile memory?

• RAM

• ROM

• Cache

So how did you do?

Total was out of 15

if you didn't get at least 10 then you need to go back and read over the Powerpoint for Computer Structure which is in the Files section in Teams.