Eduqas Computer Science 1.1 Hardware

The function of the register is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

The function of the controller is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

The function of the ALU is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

The function of the cache is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

The function of the bus is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

Select all the input devices:

• keyboard

• screen

• USB memory stick

• mouse

• touchscreen

Select all the output devices:

• keyboard

• screen

• USB memory stick

• mouse

• touchscreen

A scanner is...

• INPUT

• OUTPUT

• STORAGE

A mouse is...

• INPUT

• OUTPUT

• STORAGE

A braille keyboard is...

• INPUT

• OUTPUT

• STORAGE