To describe various functions when using computers we can use phrasal verbs. Here are some of the most commonly used phrasal verbs related to computers.
1. to boot up - to load (an operating system) and start the initial processes.
2. to key into - to enter (data) into a computer by means of a keyboard.
3. to type in - to write in by means of a keyboard with types.
4. to back up - to make a backup of (a program or file).
5. to switch on - to turn on, to start.
6. to switch off - to turn off.
7. to print out - (of a computer output device, such as a line printer) to produce (printed information).
8. to power up - to switch on the power to (a computer system).
9. to connect up - to establish telephone communications with or between.
10. to log on/in - to enter a computer, system.
11. to log off - to exit a computer, system.
12. to shut down - to cease to operate or cause to cease operating.
13. to hack into - to break into another computer, system or server.
14. to go down - to stop operating.
Some examples:
Please print out for me this document, but first you have to power up the computer, because I yesterday it went down and I had to boot it up. Then when you switch it on and you log in. When you finish printing, please shut down the computer.