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πŸ“ Successive Approximation A/D Converter in 8085 Microprocessor

πŸ“– From An Introduction To Microprocessor 8085 β€’ 13. Interfacing Data converters: A/D and D/A Converters β€’ 11 questions available

Practice MCQs for Successive Approximation A/D Converter in 8085 Microprocessor. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

πŸ”„ Last updated: 2026-07-30

2
Easy Questions
5
Medium Questions
4
Hard Questions

πŸ“ Sample Questions

Q1. What hexadecimal value is loaded into the Mode Set Register for the example initialization?

πŸ”Ή A. 42H
πŸ”Ή B. 41H
πŸ”Ή C. 87H
πŸ”Ή D. 00H

πŸ’‘ Difficulty: easy | βœ… Correct: B

Q2. If the terminal count LS byte is loaded with 00H and the MS byte with 04H for channel 1, what total count will the DMA controller use?

πŸ”Ή A. 256
πŸ”Ή B. 512
πŸ”Ή C. 1024
πŸ”Ή D. 4096

πŸ’‘ Difficulty: medium | βœ… Correct: C

Q3. If the terminal count MS byte is mistakenly loaded with FFH while the LS byte is 00H, what unintended behavior occurs during a 256‑byte transfer?

πŸ”Ή A. Transfer stops after 255 bytes
πŸ”Ή B. Transfer continues beyond the intended region, overwriting memory
πŸ”Ή C. Transfer will attempt to move 65β€―536 bytes
πŸ”Ή D. Transfer causes bus contention and halts the CPU

πŸ’‘ Difficulty: hard | βœ… Correct: A

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