Exercise: Digital Electronics

Questions for: Digital Electronics

What is the addressing mode used in instruction MOV M, C?
A:
Direct
B:
Indirect
C:
Induced
D:
Immediate
Answer: B
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Microprocessors were introduced in the year
A:
1951
B:
1961
C:
1971
D:
1981
Answer: C
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The number of flags available in 6800 are
A:
6
B:
5
C:
7
D:
4
Answer: A
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Assertion (A): In a BCD to 7 segment decoder the number of outputs active at one time is always the same.

Reason (R): A decoder can be used to interface BCD input to LED display.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is true, R is false
D:
A is false, R is true
Answer: D
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Binary number 101101 when converted to its 2's complement will become
A:
0101.01
B:
0100.10
C:
0100.10
D:
0101.10
Answer: B
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