Exercise: Digital Electronics

Questions for: Digital Electronics

In 8085 microprocessor, an active low signal INTA is not needed from up service which of the following interrupt request?
A:
TRAP
B:
INTR
C:
RST 7.5
D:
RST 5.5
Answer: A
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In floating point representation the number of bits in exponent is
A:
8
B:
7
C:
6
D:
5
Answer: C
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Consider the Boolean expression X = ABCD + ABCD + ABCD + ACBD The simplified form of X is
A:
C + D
B:
BC
C:
CD
D:
B
Answer: C
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Which one of the following is the correct sequence of the numbers represented in the series given below?
A:
2, 3, 4, 5, 6......
B:
2, 4, 6, 8, 10 .....
C:
2, 4, 6, 10, 12......
D:
2, 4, 6, 10, 16 .....
Answer: D
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A 4 line to 16 line decoder has
A:
16 inputs and 4 outputs
B:
4 inputs and 16 outputs
C:
either (a) or (b)
D:
neither (a) nor (b)
Answer: B
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