Which of the following majorly determines the number of emitters in a TTL digital circuit?

A)
Fan – in
B)
Fan – out
C)
Propagation delay
D)
Noise immunity

Correct Answer : Option (A) :   Fan – in

Explanation : The TTL circuit uses multi – emitter transistors with many emitters in the input. Thus, the number of emitters is determined by the fan – in. Fan – in determines the number of inputs the particular gate can handle.

Recently Updated in Digital Electronics Questions
Two 16 : 1 and one 2 : 1 multiplexers can be connected to form a
A)
8 : 1 multiplexer
B)
16 : 1 multiplexer
C)
32 : 1 multiplexer
D)
64 : 1 multiplexer

Correct Answer :   32 : 1 multiplexer

If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?
A)
RST 5.5
B)
RST 6.5
C)
RST 7.5
D)
None of the above

Correct Answer :   RST 5.5

Which liquid crystal is used for LCD display?
A)
Mercury
B)
Aqua regia
C)
Liquid boron
D)
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Correct Answer :   Pneumatic fluid

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