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Digital Logic Circuits (DLC) MCQs | Page - 22

Dear candidates you will find MCQ questions of Digital Logic Circuits (DLC) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 211) TTL inputs are the emitters of a                          

(A) transistor-transistor logic
(B) multiple-emitter transistor
(C) resistor-transistor logic
(D) diode-transistor logic
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Q. 212) TTL is a                          

(A) current sinking
(B) current sourcing
(C) voltage sinking
(D) voltage sourcing
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Q. 213) A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates?

(A) and or or gates
(B) xor or xnor gates
(C) nor or nand gates
(D) and or nor gates
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Q. 214) The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called

(A) combinational circuits
(B) sequential circuits
(C) latches
(D) flip-flops
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Q. 215) Whose operations are more faster among the following?

(A) combinational circuits
(B) sequential circuits
(C) latches
(D) flip-flops
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Q. 216) How many types of sequential circuits are?

(A) 2
(B) 3
(C) 4
(D) 5
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Q. 217) The sequential circuit is also called                        

(A) flip-flop
(B) latch
(C) strobe
(D) adder
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Q. 218) The basic latch consists of                        

(A) two inverters
(B) two comparators
(C) two amplifiers
(D) two adders
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Q. 219) In S-R flip-flop, if Q = 0 the output is said to be                        

(A) set
(B) reset
(C) previous state
(D) current state
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Q. 220) The output of latches will remain in set/reset untill                        

(A) the trigger pulse is given to change the state
(B) any pulse given to go into previous state
(C) they don’t get any pulse more
(D) the pulse is edge-triggered
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