Exercise: Digital Electronics

Questions for: Digital Electronics

In INHIBIT operation
A:
output is 1 when both inputs are 0
B:
output is 0 when blocking input is 1
C:
output is 0 when blocking input is 0
D:
output is 1 when blocking input is either 0 or 1
Answer: B
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A number is expressed in binary 2's complement as 10011 decimal equivalent value is
A:
19
B:
13
C:
-19
D:
-13
Answer: D
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Assuming accumulator contain A 64 and the carry is set (1). What will accumulator (A) and carry (CY) contain after ANA A?
A:
A 6 H, 1
B:
A 6 H, 0
C:
00 H, 0
D:
00 H, 1
Answer: B
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Which one of the following is D/A conversion technique?
A:
Successive approximation
B:
Weighted resistor
C:
Dual slope
D:
Single slope
Answer: B
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A depletion type NMOS is operated in enhancement mode. Vp = - 4 volts. For VGS = + 3 volts as VDS is increased, ID becomes nearly constant when Vps equals
A:
1 volt
B:
3 volts
C:
4 volt
D:
7 volts
Answer: D
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