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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.

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80386 and 80486 Microprocessor MCQs | Page 6 of 13

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Q51.
In the based scaled indexed mode with displacement mode, the contents of an index register are multiplied by a scale factor and are added to
Discuss
Answer: (c).base register and displacement
Q52.
The following statement of ALP is an example of

MOV EBX, [EDX*4] [ECX].
Discuss
Answer: (a).base scaled indexed mode
Q53.
The following statement is an example of

MOV EBX, LIST [ESI*2].
MUL ECX, LIST [EBP*4].
Discuss
Answer: (b).scaled indexed mode
Q54.
Bit field can be defined as a group of
Discuss
Answer: (c).32 bits
Q55.
The maximum length of the string in a bit string of contiguous bits is
Discuss
Answer: (d).4 GB
Discuss
Answer: (c).signed 16-bit data
Q57.
A 16-bit displacement that references a memory location using any of the addressing modes is
Discuss
Answer: (d).Offset
Q58.
A decimal digit can be represented by
Discuss
Answer: (c).unpacked BCD
Q59.
The instructions available in the 80386 that are not available in its real address mode is
Discuss
Answer: (b).instructions for protected address mode
Q60.
The unit that is disabled in real address mode is
Discuss
Answer: (c).paging unit

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