Exercise: Signals And Switches

Questions for: Signals And Switches

With surface-mount technology (SMT), the devices should:
A:
utilize transistor outline connections
B:
mount directly
C:
have parallel connecting pins
D:
require holes and pads
Answer: B
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Determine if diodes D1 and D2 in the given figure are forward or reverse biased.

A:
D1 forward and D2 reverse
B:
D2 forward and D1 reverse
C:
D1 and D2 reverse
D:
D1 and D2 forward
Answer: A
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Why is parallel data transmission preferred over serial data transmission for most applications?
A:
It is much slower.
B:
It is cheaper.
C:
More people use it.
D:
It is much faster.
Answer: D
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Internally, a computer's binary data are almost always transmitted on parallel channels, commonly referred to as the:
A:
parallel bus
B:
serial bus
C:
data bus
D:
memory bus
Answer: C
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The hexadecimal number 4B16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz?
A:
444 ns
B:
444 s
C:
3.55 s
D:
3.55 ms
Answer: A
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