Science and technology, Unit 12 (ZNO Leader)

carry _____ research on

recharge a _________

take __________

pick up ______

dial a _______

________ the first telephone

________ an electricity

____________ how something works

How often do you _____ the internet?

IF you want to download some music you must ______ the right web page.

A file in which received electronic messages are kept.

A small machine or device that is handy and does something useful.

A.secret word, phrase or number that you must type into a device to be able to use it.

Programs that you need to operate a computer.

Something that your computer can be infected with.