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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 10 of 13

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Q91.
The bit that is used for providing protection is
Discuss
Answer: (d).all of the mentioned
Q92.
The storage of 32 recently accessed page table entries to optimize the time, is known as
Discuss
Answer: (c).page table cache
Discuss
Answer: (c).translation look aside buffer
Q94.
If the 80386 enters the protected mode from the real address mode, then it returns back to the real mode, by performing the operation of
Discuss
Answer: (d).reset
Q95.
The unit that is needed for virtual mode 80386, only to run the 8086 programs, which require more than 1 Mbyte of memory for memory management functions, is
Discuss
Answer: (c).paging unit
Q96.
The number of pages that the paging unit allows, in the virtual mode of 80386 is
Discuss
Answer: (c).256
Q97.
The privilege level at which the real mode programs are executed is
Discuss
Answer: (a).level 0
Q98.
The instructions to prepare the processor for protected mode can only be executed at the privilege level
Discuss
Answer: (a).level 0
Q99.
The instruction that is unable to set or read the VM (Virtual Mode) bit is
Discuss
Answer: (d).PUSHF and POPF
Q100.
If the CKM pin of 80387 is high, then 80387 is operated in
Discuss
Answer: (c).synchronous mode

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