COMPUTER QUIZ – DIFFICULTY LEVEL : MODERATE

1. What deletes the entire file except the file structure ?
a) PACK
b) ZAP
c) DELETE
d) ERASE

2. If a process is under statistical control, then it is ______________
a) Predictable
b) Verifiable
c) Measurable
d) Maintainable

3. ASK, PSK, FSK, and QAM are examples of ________ conversion
a) analog-to-analog
b) analog-to-digital
c) digital-to-digital
d) digital-to-analog

4. Which of the following is not an analog-to-analog conversion?
a) FM
b) PM
c) QAM
d) AM

5. An example of a universal building block is ________
a) NOR Gate
b) OR gate
c) EX-OR Gate
d) AND Gate

6. ________ is the process of converting digital data to a digital signal
a) Scrambling
b) Line coding
c) Block coding
d) None of these

7. The baud rate is ______________________________
a) equal to half of the bandwidth of an ideal channel
b) not equal to the signalling rate
c) always equal to the bit transfer rate
d) equal to twice the bandwidth of an ideal channel

8. The Federal Communications Commission (FCC) allows ______kHz for each AM station
a) 20
b) 25
c) 10
d) 5

9. A __________ is a small program embedded inside of a GIF image
a) spam
b) web bug
c) spyware application
d) cookie

10. Which command is the fastest among the following ?
a) COPY FILE
b) COPY TO MFILE-DA T DELIMITED
c) COPY STRUCTURE TO
d) COPY TO