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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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Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Peripherals and Interfacing with 8086. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Peripherals and Interfacing with 8086 MCQs | Page 7 of 11

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Q61.
DAC (Digital to Analog Converter) finds application in

a.

digitally controlled gains

b.

motor speed controls

c.

programmable gain amplifiers

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q62.
To save the DAC from negative transients the device connected between OUT1 and OUT2 of AD 7523 is

a.

p-n junction diode

b.

Zener

c.

FET

d.

BJT (Bipolar Junction transistor)

Discuss
Answer: (b).Zener
Q63.
An operational amplifier connected to the output of AD 7523 is used

a.

to convert current output to output voltage

b.

to provide additional driving capability

c.

as current-to-voltage converter

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q64.
The DAC 0800 has a settling time of

a.

100 milliseconds

b.

100 microseconds

c.

50 milliseconds

d.

50 microseconds

Discuss
Answer: (a).100 milliseconds
Q65.
The device that is used to obtain an accurate position control of rotating shafts in terms of steps is

a.

DC motor

b.

AC motor

c.

Stepper motor

d.

Servo motor

Discuss
Answer: (c).Stepper motor
Q66.
The internal schematic of a typical stepper motor has

a.

1 winding

b.

2 windings

c.

3 windings

d.

4 windings

Discuss
Answer: (d).4 windings
Q67.
The number of pulses required for one complete rotation of the shaft of the stepper motor is equal to the

a.

number of internal teeth on a rotor

b.

number of internal teeth on a stator

c.

number of internal teeth on a rotor and stator

d.

number of external teeth on a stator

Discuss
Answer: (a).number of internal teeth on a rotor
Q68.
A simple scheme for rotating the shaft of a stepper motor is called

a.

rotating scheme

b.

shaft scheme

c.

wave scheme

d.

none of the above

Discuss
Answer: (c).wave scheme
Q69.
The firing angles of thyristors are controlled by

a.

pulse generating circuits

b.

relaxation oscillators

c.

microprocessor

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q70.
The Isolation transformers are generally used for

a.

protecting low power circuit

b.

isolation

c.

protecting low power circuit and isolation

d.

none of the above

Discuss
Answer: (c).protecting low power circuit and isolation
Page 7 of 11

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