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Digital Computer Electronics

Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

None of these
-1.75 and -0.9 V
0.6 and 3.5 V
0.9 and 1.75V
0.1 and 5 V

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Digital Computer Electronics
The dynamic race hazard problem occurs in

combinational circuits only
None of these
sequential circuits only
both combinational and sequential circuits
none of the combinational and sequential circuits

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Digital Computer Electronics
A half-adder adds _____ bits

None of these
16
2
10
8

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the inputs of an AND gate?

XOR
NAND
None of these
NOR
OR

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Higher reliability
None of these
Smaller size
All of these
Lower cost

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Digital Computer Electronics
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

None of these
even, odd
low, high
high, low
odd, even

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