GATE Electronics: Questions 48 - 51 of 271

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Question number: 48

» Digital Circuits » Number Systems; Combinatorial Circuits » Logic Gates and Their Static CMOS Implementation

Appeared in Year: 2012

MCQ▾

Question

Consider the given circuit

The combinational circuit consisting NAND gate

The Combinational Circuit Consisting NAND Gate

The combinational circuit consisting four NAND gate

In this circuit, the race around

Choices

Choice (4) Response

a.

Does not occur

b.

Occur when CLK = 0

c.

Occur when CLK = 1 and A = 1 B = 1

d.

Occur when CLK = 1 and A = 0 B = 0

Question number: 49

» Digital Circuits » Semiconductor Memories » ROM, SRAM, DRAM

Appeared in Year: 1998

MCQ▾

Question

An I/O processor control the flow of information between

Choices

Choice (4) Response

a.

Main memory and I/O devices

b.

Two I/O devices

c.

Cache memory and I/O devices

d.

Cache and main memories

Question number: 50

» Digital Circuits » Sequential Circuits » Latches and Flip-Flops

Appeared in Year: 1997

MCQ▾

Question

In a J-K flip-flop, we have J=Q¯ and K=1 the given figure. Assuming the flip-flop was initially cleared and then clocked for 6 pulses, the sequence at the Q output will be,

J-K flip-flop with its output, Q¯is given to the input, J.

J-K Flip-Flop With Its Output, Q¯Is Given to the Input, J.

The Equation for the above figure becomes, J = Q¯ andK = 1.

Choices

Choice (4) Response

a.

011001

b.

010010

c.

010000

d.

010101

Question number: 51

» Digital Circuits » Number Systems; Combinatorial Circuits » Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2001

MCQ▾

Question

A combinational circuit using EX-OR, NAND, AND gates & LED

A Combinational Circuit Using EX-or, NAND, and Gates & LED

The combinational circuit having LED and various gates

In the figure, the LED

Choices

Choice (4) Response

a.

Emits light when both S1 and S2 are closed

b.

Does not emit light, irrespective of the switch positions.

c.

Emits light when both S1 and S2 are open

d.

Emits light when only of S1 and S2 is closed

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