8_1 Understanding Computers Lesson 2C extra

What is the job of the control unit?

• It carries out calculations
• It stores information.
• It does nothing.
• It controls the input and output of data to make sure that it gets to the right place.

What are registers used for?

• To check that students are in school.
• To temporarily hold bits of data needed by the CPU.
• To make sure that the CPU runs properly.
• To make the CPU faster.

What does CPU stand for?

• Control Processing Unit
• Central Processing Unit
• Central Power Unit
• Center Power Unit

What is the program counters job?

• To count the programs
• It contains the memory address of the next instruction to be loaded
• It stores instructions
• It carries out the calculations

Which of the following is a job of the control unit?

• To start up the computer
• To manage the fetch decode execute cycle
• To create presentations
• To carry out calcul

What is a bus?

• A circuit that connect one part of CPU to other components.
• A type of long term memory
• A type of permanent memory
• A method of transport

How can a bigger cache improve CPU performance?

• By being able to carry out more calculations
• By being able to store more recently used instruction inside the CPU for quicker access times
• By being able to 

Without a CPU the computer would not work.

• true
• FALSE

As soon as the computer is switches on the CPU begins processing data

• true
• FALSE

ALU stands for

• Arithmetic Logic unit 
• Arithmetic Legal unit 
• Anti Logic unit 
• Arithmetic Logic undo