ECZ Introduction to Computers. Vol 1

An example of a computer software is .....

• ATM card

• document

• touch screen

• virus

A photocopier is not classified as an output device of the computer because it ...

• cannot print without a computer.

• cannot be connected without a computer.

• produces hardcopy from hardcopy without a computer.

• produces hardcopy from softcopy without a computer.

How many bytes make up 4 kilobytes?

• 8 bytes

• 16 bytes

• 400 bytes

• 4000 bytes

A ..... is the part of a computer where an external device can be connected.

• connector

• port

• socket

• switch

An example of processing done by the computer is ......

• displaying a document on the screen.

• exiting a document quickly.

• saving a document on a disc.

• sorting names in a document.

Luwi has lost a number of computers in the school laboratory due to power outages. What device would she need to buy in order to protect them?

• Electricity generator

• Insulator Protection set

• Uninterruptible Power Control Unit

• Uninterruptible Power Supply

Mumtaz keeps a set of backup files for school records in another building. Why did she do this?

• Viruses safeguard

• Fire safeguard

• Copying safeguard

• Space safeguard

How many bits does the word "processing" occupy on the computer's storage space?

• 10

• 80

• 100

• 800

Data are .....

• letters entered into the computer.

• numbers entered into the computer.

• unprocessed facts entered into the computer

• processed facts obtained from the computer

The binary digits 1 and 0 are called ......

• bits.

• codes.

• signal.

• text.