How many devices does USB support?
A). 127
B). 125
C). 100
D). 225
E). None of the above
To prevent the computer from overheating you should?
A). Remove the slot cover from the back
B). Keep the computer cover closed
C). Remove the CPU fan
D). All of the above
E). None of the above
You are testing the resistance in Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read?
A). 2
B). 5
C). 0
D). 0.2
E). None of the above
WRAM is used on a
A). modem
B). video card
C). motherboard
D). ata connector
E). None of the above
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
A). 0.003
B). 0.009
C). 0.991
D). 0.999
E). None of the above