GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 106 - 110 of 271

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Question number: 106

» Digital Circuits » 8-Bit Microprocessor (8085) » Memory and I-O Interfacing

Appeared in Year: 2000

MCQ▾

Question

The number of hardware interrupts (which require an external signal to interrupt) present in an 8085 microprocessor are

Choices

Choice (4) Response

a.

1

b.

13

c.

5

d.

4

Question number: 107

» Digital Circuits » Data Converters » Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2000

MCQ▾

Question

An 8 bit successive approximation analog to digital communication has full scale reading of 2.55 V and its conversion time for an analog input of 1 V is 20 ms. The conversion time for a 2 V input will be

Choices

Choice (4) Response

a.

10 ms

b.

50 ms

c.

40 ms

d.

20 ms

Question number: 108

» Digital Circuits » Data Converters » Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2002

MCQ▾

Question

If the input Equation to the ROM in the figure are 8 4 2 1 BCD numbers, then the outputsEquation are,

 BCD to Decimal decoder with the four outputs

BCD to Decimal Decoder With the Four Outputs

A BCD to Decimal decoder containing ROM memory

Choices

Choice (4) Response

a.

Gray code numbers

b.

2 4 2 1 BCD numbers

c.

Excess - 3 code numbers

d.

All of the above

Question number: 109

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

Appeared in Year: 2005

MCQ▾

Question

The present output Equation of an edge triggered JK flip-flop is logic 0. If Equation , then Equation

Choices

Choice (4) Response

a.

Cannot be determined

b.

Will be logic 1

c.

Will be logic 0

d.

Will rave around

Question number: 110

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

Appeared in Year: 2012

MCQ▾

Question

The state transition diagram for the logic circuit shown is

The logic circuit consisting of D flip-flop &2 to 1 multiplexer

The Logic Circuit Consisting of D Flip-Flop &2 to 1 Multiplexer

The logic circuit consisting of D flip-flop and 2 to 1 multiplexer

Choices

Choice (4) Response

a.

The state transition diagram for the logic circuit : Choice A

The State Transition Diagram for the Logic Circuit: Choice A

The state transition diagram for the logic circuit

b.

The state transition diagram for the logic circuit : Choice B

The State Transition Diagram for the Logic Circuit: Choice B

The state transition diagram for the logic circuit

c.

The state transition diagram for the logic circuit : Choice C

The State Transition Diagram for the Logic Circuit: Choice C

The state transition diagram for the logic circuit

d.

The state transition diagram for the logic circuit : Choice D

The State Transition Diagram for the Logic Circuit: Choice D

The state transition diagram for the logic circuit

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