Exercise: Digital Electronics

Questions for: Digital Electronics

A mod-10 counter can divide the clock frequency by a factor of
A:
10
B:
20
C:
210
D:
102
Answer: A
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Which of the following ICs has only one NAND gate?
A:
7410
B:
7420
C:
7430
D:
7447
Answer: C
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In Schottky TTL, a Schottky diode is used for
A:
forming the gate
B:
connecting the resistor
C:
clamping of the basic collector junction
D:
none of the above
Answer: C
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Consider the following statements
  1. ECL has least propagation delay
  2. TTL has largest fan out
  3. CMOS has highest noise margin
  4. TTL has lowest power dissipation
Which of these are correct?
A:
1 and 3
B:
2 and 4
C:
3 and 4
D:
1 and 2
Answer: A
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Choose the appropriate turn on and turn off time of a FET
A:
1 ns, 10ns
B:
6 ns, 18ns
C:
4 ns, 8 ns
D:
10 ns, 10 ns
Answer: B
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