Unit 4 - The CPU (all areas)

CPU stands for ?

Select all components that the CPU communicates with

• Memory (RAM, ROM, cache, virtual)

• Registers (MAR, MDR, CIR)

• Hardware (mouse, keyboard, printer)

• Software (application, utility, security)

Select the components of the CPU that you need to be aware of

• ALU

• CU

• Clock

• RLU

The ? unit performs problem solving operations on the data within your system

Select all operations carried out by the ALU

• Addition

• OR

• Left Shift

• Percentage

The ? unit coordinates the activity of all other components in the system

The ? determines how quickly the CPU can execute instructions

What material is the clock made from within the CPU?

• quartz

• gold

• silicone

• plastic

The CPU can carry out ? instruction each time the clock ticks/pulses

Registers hold ? data within the CPU whilst a program is running