Exercise: Digital Electronics

Questions for: Digital Electronics

What is the decimal equivalent of the binary number shown in fourth row?
A:
79
B:
97
C:
117
D:
127
Answer: B
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An interrupt in which the external device supplies its address as well as the interrupt is known as
A:
vectored interrupt
B:
maskable interrupt
C:
polled interrupt
D:
non-maskable interrupt
Answer: A
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+12 V supply is given to plates a, d, g, and 0 V to other plates and grid of a VF display. The plates which will glow are
A:
a, d, g
B:
b, c, e, f
C:
all
D:
none
Answer: C
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The amplifier used in bootstrap voltage sweep should have a gain of
A:
+1
B:
+∞
C:
-1
D:
-∞
Answer: C
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The 8085 microprocessor is interrupted while executing MOV instruction at location 0210 H. What is the location at which contents of register E are stored.
A:
054 CH
B:
054 DH
C:
054 EH
D:
054 FH
Answer: C
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