Year 7 Spring Review

Define what is meant by an Input Device

• A device that sends data into a computer for processing.

• A device that shows the results of processing, in a form we understand.

Define what is meant by an Output Device

• A device that sends data into a computer for processing.

• A device that shows the results of processing, in a form we understand.

Is the device pictured and Input or Output Device?

• Input

• Output

is the device an Input or Output device?

• Input

• Output

Is the device in the image an Input Device, Output Device or Both?

• Input

• Output

• Both

Describe the purpose of Random Access Memory (RAM)

• Stores instructions to load the computer

• Stores data, instructions and programs currently in use.

Describe the purpose of Read Only Memory (ROM)

• Stores instructions to load the computer

• Stores data, instructions and programs currently in use.

Is ROM volatile i.e. can change or non-volatile - can't change?

• Volatile

• Non-Volatile

Is RAM volatile i.e. can change or non-volatile - can't change?

• Volatile

• Non-Volatile

Why do computers use binary?

• Because they have ten fingers which makes counting really easy.

• Because they consist of billions of switches which only understand On and Off