🏠 Home > An Introduction To Microprocessor 8085 > 9. Programmable Interval Timer/Counter: 8253
← Back to An Introduction To Microprocessor 8085

9. Programmable Interval Timer/Counter: 8253 - An Introduction To Microprocessor 8085

📖 From An Introduction To Microprocessor 8085 • 146 questions available

Practice MCQs for 9. Programmable Interval Timer/Counter: 8253. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-30

37
Easy Questions
63
Medium Questions
46
Hard Questions

📝 Topics in this Chapter

📝 Sample Questions

Q1. What is the maximum clock frequency supported by the 8253?

🔹 A. 1 MHz
🔹 B. 2 MHz
🔹 C. 4 MHz
🔹 D. 8 MHz

💡 Difficulty: easy | ✅ Correct: B

Q2. How does the gate input affect the operation of a counter in the 8253?

🔹 A. It disables counting
🔹 B. It selects binary vs BCD
🔹 C. It enables counting
🔹 D. It sets the initial count value

💡 Difficulty: medium | ✅ Correct: C

Q3. Why might a designer choose BCD counting mode over binary mode in the 8253?

🔹 A. BCD mode simplifies interfacing with decimal displays
🔹 B. Binary mode provides higher speed
🔹 C. BCD mode consumes less power
🔹 D. Binary mode allows larger count range

💡 Difficulty: hard | ✅ Correct: A

⬆️ View all questions in the quiz below

🚀 Start Quiz 📝 Practice Mode