Exercise: Digital Electronics

Questions for: Digital Electronics

A master slave flip-flop has the characteristics that
A:
change in the I/P immediately reflected in the O/P
B:
change in the O/P occurs when the state of the master is affected
C:
change in the output occurs when the state of the slave is affected
D:
both the master and the slave states are affected at the same time
Answer: C
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The hexadecimal number given below represent decimal numbers which are multiples of DC, C8, BE, 46, IE
A:
2
B:
6
C:
7
D:
10
Answer: C
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Which memory requires periodic recharging?
A:
All ROMS
B:
All RAMS
C:
Static RAM
D:
Dynamic RAM
Answer: D
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In 8085 microprocessor, the RST 5.5 interrupt service routine start from location
A:
0020 H
B:
0024 H
C:
0028 H
D:
002 CH
Answer: D
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figure given below shows the internal schematic of a TTL AND-OR Invert (AOI) gate, For the input shown in the given figure, the output Y is
A:
0
B:
1
C:
AB
D:
AB
Answer: A
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