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Microprocessors And Microcontrollers MCQ Questions & Answers | ECE

Learn Microprocessors And Microcontrollers MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Microprocessors And Microcontrollers MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-9 section-2

Each section contains 100 MCQs on Microprocessors and Microcontrollers .
81
First In First Out (FIFO) is used in-
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Answer: Option C
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82
Is there any error found in the given instruction? If yes, find the right alternate. (8086 ALP) MOVES, DS
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Answer: Option D
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83
If contents of the accumulator in 8085 are 81 H and carry flag is '0', find accumulator contents after executing the instruction RRC?
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Answer: Option A
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84
The number of 8259 interrupt controllers required to be cascaded to provide interrupt facility to a maximum of 29 different devices are
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Answer: Option C
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85
What is the duration of the bus-cycle in an 8086 based microcomputer, if the clock frequency is 12 MHz without any wait - states?
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Answer: Option C
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86
In RAM chip with a total of 8096 words, the word addresses ranges from
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Answer: Option B
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87
In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed or rejected. Such an interrupt is
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Answer: Option D
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88
Which of the following is not a basic element within the microprocessor?
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Answer: Option A
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89
The statement label in a subroutine
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Answer: Option B
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90
The interfacing device used for generation of accurate time delay in microcomputer system is
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Answer: Option D
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