S3 Computer Systems Unit 2 KC 3

Which of the following is NOT a part of the processor in computer structure?

• Registers

• ALU

• Control unit

• Memory locations with unique addresses

Memory locations in a computer have unique addresses.

• True

• False

What is the main purpose of the processor or CPU (Central Processing Unit)?

• To store data

• To oversee the actions of all other parts of the computer and to execute the machine code instructions

• To display images

• To connect to the internet

Name the three main parts within the processor.

• Control Unit, ALU, and Registers

• Control Unit, RAM, and Cache

• ALU, Hard Disk, and Registers

• Registers, ROM, and Control Bus

The processor is responsible for executing the machine code instructions that make up the programs.

• True

• False

What is the Control Unit responsible for?

• The Control Unit is responsible for the running of programs that are loaded into the Main Memory.

• The Control Unit is responsible for storing data permanently.

• The Control Unit is responsible for performing arithmetic operations.

• The Control Unit is responsible for displaying output on the screen.

Which of the following is a main function of the control unit?

• Controls the timing of all operations

• Stores data permanently

• Prints documents

• Manages user input

What does ALU stand for?

• Arithmetic and Logic Unit

• Advanced Logic Unit

• Analog Linear Unit

• Automated Logic Utility

The main functions of the ALU are: 1. To perform ________ 2. To perform ________ enable the computer to make decisions, for example by comparing values using operators such as >, <, =, if and else.

• arithmetic calculations; logic functions

• data storage; input operations

• networking; data transfer

• image processing; sound synthesis

What are registers in a processor?

• Permanent storage areas within the processor

• Temporary storage areas within the processor

• External memory devices

• Input/output devices