Computer Architecture & Memory Hierarchy

For the next type of data storage, tick whether it is primary storage or secondary storage.

**HARD DISK**

• Primary Storage

• Secondary Storage

What does ALU stand for?

• Arguable Logic Unit
• Arithmetic Larger Unit
• Arithmetic Logic Unit 
• Arithmetic Logic Utility

What is the main purpose of the CPU?

• To Fetch, Decode and Execute Instructions (in MEMORY).

• To perform calculations.

• To render graphics on a screen.

• To manage the computer system.

Data and instructions are transferred from these devices.

• CPU

• Main Memory

• Input devices

• Output devices

• Bus

Data and instructions are transferred to these devices.

• CPU

• Main Memory

• Input devices

• Output devices

• Bus

It stores both data and instructions.

• CPU

• Main Memory

• Input devices

• Output devices

• Bus

------------------it's job is to perform arithmetic and logic operations on data and

• The Arithmetic/Logic Unit(ALU)

• Bus

• Input Device

The Control Unit

• Controls the flow of data around the CPU and also decodes instructions

• Only controls the flow of data around the CPU

• Only decodes instructions

• Controls how much power is directed to all components within the computer

Who developed the idea of a stored program computer and modern computer architecture?

• John Von Neumann
• Bill Gates
• Steve Jobs
• Tim Berners-Lee

____________ is a permanent memory.

• RAM

• ROM

• Hard Disk

• CD