Exercise: Digital Electronics

Questions for: Digital Electronics

Serial in-serial out shift register can be built using D flip flops.
A:
True
B:
False
C:
D:
Answer: A
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The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is
A:
Q = X(Y + Z)
B:
Q = X + YZ
C:
Q = XY + Z
D:
Q = XY + Z
Answer: B
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The value of program counter of 6800 at power on are after reset is
A:
000
B:
FFFE
C:
User Programmable
D:
FFFF
Answer: B
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A crystal is frequently used in digital circuits for timing purpose because of its
A:
low cost
B:
high frequency stability
C:
simple circuitry
D:
ability to set frequency at desired value
Answer: B
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In 8085 microprocessor, what is the length of SP (stack) pointer?
A:
6 bits
B:
8 bits
C:
12 bits
D:
16 bits
Answer: D
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