Exercise: Digital Electronics

Questions for: Digital Electronics

Consider the following statements:
  1. Race around condition can occur in JK flip flop when both inputs are 1
  2. A flip flop is used to store one bit of information
  3. A transparent latch is a D type flip flop
  4. Master slave flip flop is used to store two bits of information
Which of the above are correct?
A:
1, 2, 3
B:
1, 3, 4
C:
1, 2, 4
D:
2, 3, 4
Answer: D
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Which binary subtraction is incorrect?
A:
100101 - 100011 = 000000
B:
10000000 - 01000000 = 1000000
C:
10111110.1 - 101011.11 = 110010.11
D:
11111111 - 1111111 = 10000000
Answer: A
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State transition table and state transition diagram form part of design steps for
A:
combinational circuits
B:
sequential circuits
C:
delay circuits
D:
all of the above
Answer: B
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In a JK master slave flip flop race condition does not occur.
A:
True
B:
False
C:
D:
Answer: A
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The inputs to logic gate are 0. The output is 1. The gate is
A:
NAND or XOR
B:
OR or XOR
C:
AND or XOR
D:
NOR or Ex-NOR
Answer: D
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