In addition to securing power to the
computer, what other precaution, if any,
should be exercised when you are
disconnecting and reconnecting power and
1. Follow the proper tag-out procedures
2. Document your actions in the
computer room pass down log
3. Back up the data to a floppy or hard
4. None; no precautions are needed
The power requirements for all computers
are identical regardless of where the
computers are used.
To help mate connector receptacles and
plugs properly, which of the following
methods may be used?
Physical shape only
Keying and physical shape
C. Twisted component or
E. Fiber optic
Figure 2B.Cable architecture.
IN ANSWERING QUESTIONS 2-30 THROUGH
2-34, SELECT FROM FIGURE 2B THE TYPE OF
CABLE ARCHITECTURE THAT BEST
MATCHES THE DESCRIPTION IN EACH
Conductors are separated by the dielectric
Can be terminated with card-edge
connectors or IDCs.
Can have up to 120 conductors.
Capable of transmitting a 20-Mhz signal
with minimum loss and no distortion.
Used for serial transfer of data only.
1. D only
2. E only
3. Dand E
4. A, B, and C
What is the most critical piece of
equipment in any data system?
4. Disk drive