Exercise: Digital Electronics

Questions for: Digital Electronics

The high voltage level of a digital signal in positive logic is
A:
1
B:
0
C:
either 1 or 0
D:
-1
Answer: A
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The circuit given below is a
A:
counter
B:
digital to analog converter
C:
two-bit series-to-parallel converter
D:
analog-to digital converter
Answer: C
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A universal shift register can shift left or right.
A:
True
B:
False
C:
D:
Answer: A
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The difference between sequential and combinational circuits is
A:
Combinational circuits store bits
B:
Combinational circuits have memory
C:
Sequential circuits store bits
D:
Sequential circuits have memory
Answer: D
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For the DAC in the given figure VO=
A:
10 V
B:
5 V
C:
4 V
D:
8 V
Answer: A
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