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Welcome to the Peripherals and Interfacing with 8086 MCQs Page

Dive deep into the fascinating world of Peripherals and Interfacing with 8086 with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Peripherals and Interfacing with 8086, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of Peripherals and Interfacing with 8086, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Microprocessor.

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Peripherals and Interfacing with 8086 MCQs | Page 6 of 11

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Q51.
The time taken by the ADC from the active edge of SOC(start of conversion) pulse till the active edge of EOC(end of conversion) signal is called

a.

edge time

b.

conversion time

c.

conversion delay

d.

time delay

Discuss
Answer: (c).conversion delay
Q52.
The popular technique that is used in the integration of ADC chips is

a.

successive approximation

b.

dual slope integration

c.

successive approximation and dual slope integration

d.

none of the mentioned

Discuss
Answer: (c).successive approximation and dual slope integration
Q53.
The procedure of algorithm for interfacing ADC contain

a.

ensuring stability of analog input

b.

issuing start of conversion pulse to ADC

c.

reading digital data output of ADC as equivalent digital output

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q54.
Which is the ADC among the following?

a.

AD 7523

b.

74373

c.

74245

d.

ICL7109

Discuss
Answer: (d).ICL7109
Q55.
The conversion delay in a successive approximation of an ADC 0808/0809 is

a.

100 milliseconds

b.

100 microseconds

c.

50 milliseconds

d.

50 milliseconds

Discuss
Answer: (b).100 microseconds
Q56.
The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is

a.

4

b.

2

c.

8

d.

16

Discuss
Answer: (c).8
Q57.
ADC 7109 integrated by Dual slope integration technique is used for

a.

low cost option

b.

slow practical applications

c.

low complexity

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q58.
Which of the following is not one of the phases of the total conversion cycle?

a.

autozero phase

b.

conversion phase

c.

signal integrate phase

d.

disintegrate phase

Discuss
Answer: (b).conversion phase
Q59.
Which of the following phase contain feedback loop in it?

a.

autozero phase

b.

signal integrate phase

c.

disintegrate phase

d.

none of the mentioned

Discuss
Answer: (a).autozero phase
Q60.
In the signal integrate phase, the differential input voltage between IN LO(input low) and IN HI(input high) pins is integrated by the internal integrator for a fixed period of

a.

256 clock cycles

b.

1024 clock cycles

c.

2048 clock cycles

d.

4096 clock cycles

Discuss
Answer: (c).2048 clock cycles
Page 6 of 11

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