Y9 - System Architecture - Quiz 1

The CPU is:

• Control Process Unit

• Centralised Process Unit

• Central Processing Unit

• Central Processing Unified

The processor...

• Carries out instructions

• Is main memory

• Is secondary storage

• Is an input device

Processor doesn't do the following:

• Process data

• Execute instructions

• Execute data

• Operate in Hz

This component in the CPU would perform an operation such as 5+8.

• Arithmetic Logic Unit

• Cache

• Control Unit

• Registers

What is the purpose of the accumulator?

• To perform arithmetic operation

• To hold the results of a calculation

• To hold the accumulation of instructions that have happened

• To remember the previous instruction being worked on

Data and instructions in use are stored in the:

• Processor

• Embedded system

• Hard Disk Drive

• Main memory

What component holds the address of the next instruction?

• Memory Address Register

• Memory Data Register

• Program Counter

• Accumulator

This holds the number of the current instruction being worked on.

• Memory Address Register

• Memory Data Register

• Program Counter

• Accumulator

Processors have a speed measure in:

• Hertz

• Bits

• Bytes

• Seconds

The main computer components are:

• CPU/Main memory/Output

• Input/Output/CPU/Main memory

• CPU/Main memory

• Input/Output