back up (your work) - make a copy of data or a disk, plug in (a printer) - connect to a power supply, scan in (a document) - to scan a document, shut down (a computer) - turn computer off (to stop work), turn down (the radio) - make the sound quiet, turn off (the light) - to switch off , turn up (the volume) - make the sound louder, turn on (the TV) - to switch on, type in (username) - press keys on the keyboard, break down - to stop working correctly , log off - leave the website , log on  - write the password and enter the website,

computers

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