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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-1 section-3

Each section contains 100 MCQs on Microprocessors and Microcontrollers .
1
Consider the following statements:
1. A total of about one million bytes can be directly addressed by the 8086 microprocessor.
2. The 8086 has thirteen 16-bit registers.
3. The 8086 has eight flags.
4. Compared to 8086, the 80286 provides a higher degree of memory protection.
Of these statements
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
2
Which one of the following control bits of 8086 flag register is used to put the 8086 in single step mode?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
3
The 8255 programmable peripheral interface consist of . . . . . . . . 8-bit ports
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
4
Which one of the following instructions in a stack computer consists of an operation code only with no address field?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
5
Which is internal RAM address of SBUF in 8051?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
6
The 8085 supports . . . . . . . . number of instructions, with . . . . . . . . number of addressing modes and operates at . . . . . . . . MHz frequency.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
7
An array processor is a . . . . . . . . Machine
Discuss
Answer & Solution
Answer: Option A
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8
Which one of the following is not an arithmetic instruction?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
9
The addressing expression in 8086, "MOV count, 100H" is an example of . . . . . . . .
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
10
What is the address space of 8086 CPU?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board