📝 Logics for Counters of 8253

Q1. What is the maximum clock frequency that the 8253 programmable interval timer can operate at?

💡 Difficulty: easy | ✅ Correct: B

Q2. In the 8253 timer, what role does the gate input play?

💡 Difficulty: medium | ✅ Correct: C

Q3. Using counter 1 in mode 2 with a 2 MHz clock, what count must be loaded to obtain a pulse width of 0.1 ms?

💡 Difficulty: hard | ✅ Correct: A