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Welcome to the 8085 Microprocessor MCQs Page

Dive deep into the fascinating world of 8085 Microprocessor with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of 8085 Microprocessor, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of 8085 Microprocessor, 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 Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through 8085 Microprocessor. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of 8085 Microprocessor. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

8085 Microprocessor MCQs | Page 3 of 3

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Q21.
In 8085 microprocessor the value of the most significant bit of the result following the execution of any arithmetic or Boolean instruction is stored in
Discuss
Answer: (c).sign status flag
Q22.
The flag register content after execution of following program by 8085
microprocessor shall be
Program
SUB A
MVI B, (01)H
DCR B
HLT
Discuss
Answer: (a).(54)H
Q23.
Which flag of the 8085's flag register is not accessible to programmer directly?
Discuss
Answer: (c).Auxiliary carry flag
Q24.
Which of the following interrupt is maskable?
Discuss
Answer: (b).RST 7.5
Q25.
Word 20 contains 40
Word 30 contains 50
Word 40 contains 60
Word 50 contains 70
Which of the following instructions does not, load 60 into the Accumulator ?
Discuss
Answer: (b). Load direct 30
Q26.
An interrupt for which hardware automatically transfers the program to a specific memory location is known as
Discuss
Answer: (b).Hardware interrupt
Discuss
Answer: (c).2’s complement method
Q28.
If the stack pointer is initialised with (4FEB)H, then after execution of Push operation in 8085 microprocessor, the Stack Pointer shall be
Discuss
Answer: (d).4FED
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