Computer Science - Homework 6

CPU stands for

• Computer Processing Unit
• Central Processing Unit
• Core Processing Unit
• Central Power Unit

What is the purpose of the CPU?

• To process all the data and instructions.
• To turn the computer on.
• To create PowerPoint presentations.
• To provide power to the computer.

The hardware that defines a computer is the ___ and___. Without these a computer could not function.

• Mouse and keyboard
• Microsoft Word and Microsoft Excel
• Monitor and CPU
• CPU and memory

Clock Speed is usually measured in...

• Mhz

• Ghz

• Hz

• Rhz

Inside the CPU, you will find:

• ALU, CU, registers, cache memory

• ADU, PC, storage, RAM memory

• ARM, PC, controller, cache memory

• APM, CU, time signal, RAM memory

The ALU....

• does any maths or logic problems for the CPU

• stores data inside the CPU

• sends out control signals for the CPU

• holds specific data for the fetch-decode-execute cycle

The CU...

• does any maths or logic problems for the CPU

• stores data inside the CPU

• sends out control signals for the CPU

• holds specific data for the fetch-decode-execute cycle

The processor…

• Carries out instructions

• Is main memory

• Is secondary storage

• Is an input device

This temporary store of data will lose all contents when power is lost.

• RAM

• ROM

What component holds the address of the next instruction?

• Memory Address Register
• Memory Data Register
• Program Counter
• Accumulator