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Welcome to the 80386 and 80486 Microprocessor MCQs Page

Dive deep into the fascinating world of 80386 and 80486 Microprocessor with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of 80386 and 80486 Microprocessor, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of 80386 and 80486 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 Microprocessor.

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Check out the MCQs below to embark on an enriching journey through 80386 and 80486 Microprocessor. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Microprocessor.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of 80386 and 80486 Microprocessor. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

80386 and 80486 Microprocessor MCQs | Page 2 of 13

Q11.
Which of the units is not a part of the internal architecture of 80386?
Discuss
Answer: (d).none of the mentioned
Discuss
Answer: (c).execution unit and instruction unit
Q13.
The unit that is used for handling data, and calculates offset address is
Discuss
Answer: (b).execution unit
Q14.
The unit that decodes the opcode bytes, received from the 16-byte instruction code queue is
Discuss
Answer: (c).instruction unit
Q15.
The unit that increases the speed of all shift and rotate operations is
Discuss
Answer: (d).barrel shifter
Discuss
Answer: (c).segmentation and paging units
Discuss
Answer: (d).all of the mentioned
Q18.
The unit that organizes the physical memory, in terms of pages of 4KB size each is
Discuss
Answer: (c).paging unit
Q19.
The paging unit works under the control of
Discuss
Answer: (b).segmentation unit
Q20.
The unit that provides a four level protection mechanism, for system’s code and data against application program is
Discuss
Answer: (b).segmentation unit
Page 2 of 13

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