Exercise: Digital Electronics

Questions for: Digital Electronics

If we need a device to shut off a few ampere current in a few nano seconds, the proper devices is
A:
VMOS
B:
CMOS
C:
BJT
D:
UJT
Answer: A
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The characteristic equation of flip-flop gives the next state QN + 1 in terms of present state QN and the inputs. Which one of the following is the characteristic equation of J - K flip-flop?
A:
QN+1 = JQN + KQN
B:
QN+1 = J + KQN
C:
QN+1 = KQN + JQN
D:
QN+1 = K + JQN
Answer: A
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Microprocessors find applications in
A:
pocket calculators
B:
scientific instruments
C:
medical equipments
D:
all of the above
Answer: D
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In a NAND SR latch S = 0, R = 1 then
A:
Q = 0
B:
Q = 1, Q = 0
C:
it is race condition
D:
none of the above
Answer: B
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Which one of the following is loaded in the main memory by the bootstrap loader?
A:
System data
B:
User program
C:
BIOS
D:
Part of DOS
Answer: D
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