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Welcome to the 80286 80287 Microprocessor MCQs Page

Dive deep into the fascinating world of 80286 80287 Microprocessor with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of 80286 80287 Microprocessor, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of 80286 80287 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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80286 80287 Microprocessor MCQs | Page 18 of 19

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Q171.
The unit that provides and controls the interface, between the internal 80287 bus and 80286 bus via data buffer is
Discuss
Answer: (a).bus control logic
Discuss
Answer: (d).all of the mentioned
Q173.
The word that optimizes the NDP performance, by maintaining a record of empty and non-empty register locations is
Discuss
Answer: (b).TAG words
Q174.
The part of the data interface and control unit, that points to the source of exception generated is
Discuss
Answer: (c).Error pointers
Q175.
The data bus in a floating point unit is of
Discuss
Answer: (d).84 bits
Q176.
The arrangement of data that is to be shifted successively, whenever required for the execution, is done by
Discuss
Answer: (c).barrel shifter
Q177.
The word that is used to select one of the processing options, among the provided ones is
Discuss
Answer: (b).control word
Q178.
After reset of 80287, the control bit that is initialized to zero is
Discuss
Answer: (d).infinity control bits
Q179.
The bits that are modified depending upon the result of the execution of arithmetic instructions are
Discuss
Answer: (c).condition code bits
Q180.
If the stack flag is set, and condition code bit C1=1, then the stack is
Discuss
Answer: (b).overflown

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