Logic Families – Exercise – 2

96. The output current for a LOW output is called a(n) ________.

(a) sink current
(b) ground current
(c) exit current
(d) fan-out

Answer
Answer : (a)
Explanation
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97. Fan-out for a typical TTL gate is ________.

(a) 100
(b) 54
(c) 10
(d) 4

Answer
Answer : (c)
Explanation
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98. The number of gates that can be connected to a single output without exceeding the current ratings of the gate is called ________.

(a) fan-out
(b) propagation
(c) dissipation
(d) SSI

Answer
Answer : (a)
Explanation
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99. The output stage of a TTL gate is a special design called ________.

(a) multiemitter
(b) totem-pole
(c) MSI
(d) DIP

Answer
Answer : (b)
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100. Several manufacturers have developed logic that combines the best features of TTL and CMOS. This is called ________.

(a) 12L
(b) BiCMOS
(c) 74ACT
(d) 74HCT

Answer
Answer : (b)
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