Test your knowledge

Ctrl + Z performs which action:

• Undo

• Redo

• Skadoosh

A computer is a/an ______ device.

• electronic

• mechanical

• electrical

When a computer which wasn't previously on is switched on, it is called _____ booting.

• warm

• cold

• hot

When you power on a computer, it boots up to the ______ environment.

• desktop

• explorer

• windows

An operating system is to a computer what a skeleton is to a human being.

• True

• False

• Maybe

An operating system is to a computer what a skeleton is to a human being.

• True

• False

• Maybe

After typing a document, which of the following key combination helps you save it.

• Ctrl + Z

• Ctrl + S

• Ctrl + P

Which of this keys highlights all items on the computer screen?

• Ctrl + A

• Ctrl + T

• Shift + S

Using the Shift + Delete key ________

• moves the item to the recycle bin

• permanently deletes an item

• copies an item to a folder

The shortcut key for copying a file, word or item on a computer is:

• Ctrl + C

• Ctrl+ D

• Ctrl + R