When working on a computer, which of the following best protects against ESD? Why?
A: Always work on a computer in a room without carpet
B: Always sit a computer on an antistatic mat when working on it
C: Always wear a ground bracelet clipped to the side of the case
D: Always touch the computer case before touching a circuit board inside the case
A: Always work on a computer in a room without carpet
B: Always sit a computer on an antistatic mat when working on it
C: Always wear a ground bracelet clipped to the side of the case
D: Always touch the computer case before touching a circuit board inside the case
举一反三
- Computer always includes hardware and __________.
- She ____ when I go to see her. A: is always working B: was always working C: always worked D: has always worked
- They() have problems with their computer system. It always works very well. A: rarely B: always C: often
- Theyhave problems with their computer system.It always works very well.
- Always ______ your computer when you've finished. A: switch off B: put off C: take off D: send off