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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 8 of 11

Q71.
The number of counters that are present in the programmable timer device 8254 is

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q72.
The operation that can be performed on control word register is
Discuss
Answer: (b).write operation
Q73.
The mode that is used to interrupt the processor by setting a suitable terminal count is
Discuss
Answer: (a).mode 0
Q74.
In mode 2, if N is loaded as the count value, then after (N-1) cycles, the output becomes low for
Discuss
Answer: (a).1 clockcycle
Q75.
The generation of a square wave is possible in the mode
Discuss
Answer: (c).mode 3
Q76.
In control word register, if SC1=0 and SC0=1, then the counter selected is
Discuss
Answer: (b).counter 1
Discuss
Answer: (c).read/load LSB first and then MSB
Q78.
If BCD=0, then the operation is
Discuss
Answer: (b).hexadecimal count
Discuss
Answer: (b).GATE signal is high
Discuss
Answer: (d).all of the mentioned

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