______ is the first software we see when we turn on the computer.
A: Word processor
B: Internet
C: Operating system
D: Application
A: Word processor
B: Internet
C: Operating system
D: Application
举一反三
- When you install a new device in a computer,you have to add the correct device______to the operating system to allow the computer to communicate with the device． A: application B: software C: driver D: files
- An operating system is the basic software that controls a computer.
- Because of the great speed of light, we see a lamp light up almost at the exact moment （）. A: we turn it on B: when we turn on it C: that we turn on it D: which we turn it on
- Application software is unable to run without the operating system and system utilities.
- To live green, we should______ the lights, the television and the computer when we are through with them. A: turn on B: turn off C: turn down D: turn up