Science and technology Repetytorium ósmoklasisty

My parents ask me for help if they ................................something very important.

• press

• delete

• save

It is a waste of time and paper if they ............................ the same page a few times a day.

• set

• write

• print

The Scottish chemist William Ramsay ..................................... the gases argon, krypton, neon.

• discovered

• invented

• observed

In 1676 the Danish astronomer Olaf Roemer ............................... the speed of light.

• discovered

• carried out

• measured

My granny can't cope when she wants to ....................... and paste a bank account number.

• delete

• copy

• reset

Which word doesn't fit?

text sb/find out/charge/top up

• text sb

• find out

• charge

• top up

When your laptop battery is full, you don't need to ................... it in.

• take

• plug

• switch

Always use .............................. that are difficult to guess.

• software

• attachments

• passwords

Your computer .................................. and you need your friend's help.

• hacked

• crashed

• broken

To operate the TV from your sofa you need to use .............

• distance control

• a remote control

• Tv control