📖 From An Introduction To Microprocessor 8085 • 9. Programmable Interval Timer/Counter: 8253 • 10 questions available
Practice MCQs for Block Diagram of 8253. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.
🔄 Last updated: 2026-07-30
Q1. What is the maximum clock frequency at which the 8253 can operate?
💡 Difficulty: easy | ✅ Correct: B
Q2. A system requires a 10 ms delay using the 8253 with a 2 MHz clock. What preset count should be loaded into the counter?
💡 Difficulty: medium | ✅ Correct: B
Q3. In the block diagram, which pin supplies the timing pulses that drive all three counters?
💡 Difficulty: hard | ✅ Correct: B
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