Microprocessor Questions and Answers
This is the electronics and communication engineering questions and answers section on "Microprocessors" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.
Which of the following is the 16bit registors in 8085 processor
- A. Stack Pointer
- B. Program Counter
- C. IR
- D. a and b
Answer: Option D
a and b
Which of the following depends on the microprocessor speed
- A. Clock
- B. Data Bus Width
- C. Address Bus Width
- D. Size of Register
Answer: Option C
Address Bus Width
In 8088, which of the following option differs from 8086
- A. Data width on the output
- B. Supports Co-processor
- C. Address capability
- D. Supports max/min mode
Answer: Option A
Data width on the output
In 8255, ______number of modes of I/O mode of operation we have, which of the following features comes under which mode
(i) A 5 bit control port is available.
(ii) 3 I/O lines are available at Port C
- A. 3, Mode2
- B. 2, Mode2
- C. 4, Mode3
- D. 3, Mode2
Answer: Option B
In ADC 0808, which of the following pin enables high output
Answer: Option D
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