Exercise: Digital Electronics

Questions for: Digital Electronics

1210 = __________ 10
A:
10111.0001111
B:
100011.0001111
C:
100001.0001111
D:
001111.0001111
Answer: A
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The rate of change of digital signals between High and Low level is
A:
very fast
B:
fast
C:
slow
D:
very slow
Answer: A
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In a positive-edge-triggered JK flip-flop, a low J and a low K produce __________ state. A high __________ on the rising edge of the clock.
A:
inactive, reset
B:
active, reset
C:
active, toggle
D:
inactive, toggle
Answer: D
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In which of these does thermionic emission occur?
A:
LED
B:
LCD
C:
VF display
D:
None
Answer: C
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In 8085, usually the vector location and the next two memory location contain a JMP instruction. This allows the programs to branch to
A:
a longer subroutine
B:
a shorter subroutine
C:
a subroutine free path
D:
none of the above
Answer: A
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