Open World p 67. Vocabulary

 Do Ex 4

speed up to move or happen faster, or to make something move or happen faster. OPP slow down.

E.g.

The truck speeded up going down the hill.

speed something ↔ up:  The new system will speed up the registration process. 

 

back up: to make a copy of information stored on a computer.

E.g.

Make sure you back up.

back something ↔ up:  These devices can back up the whole system.

back something ↔ up onto something:  Back all your files up onto a storage device or Cloud 

backup: (N) a copy of a computer document, program etc, which is made in case the original becomes lost or damaged.

E.g.

Make a backup of any work you do on the computer

go down: if a computer goes down, it stops working for a short time. Sp. caerse (sistema, red, ordenador)

E.g.  If one of the file servers goes down, you lose the whole network.

lock somebody ↔ out to keep someone out of a place by locking the door 

E.g.

I locked myself out of the house!