📝 Bit Set/Reset(BSR) Mode in 8085 Microprocessor

Q1. What does the BSR instruction do when executed with operand 0x04?

💡 Difficulty: easy | ✅ Correct: A

Q2. A microcontroller needs to turn on an LED connected to bit 2 of PORT 1 without altering other bits. Which instruction sequence correctly accomplishes this?

💡 Difficulty: medium | ✅ Correct: C

Q3. During debugging, a programmer notices that after executing BSR 0x06, the value at address 0x30 becomes 0x41. What was the original value at 0x30?

💡 Difficulty: hard | ✅ Correct: C