Computer Science · Microprocessors and Peripherals
Which of the following statements is true regarding the 8253/8254 Programmable Interval Timer (PIT)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The input clock frequency supplied to the internal counters of the PIT is fixed for a given hardware system configuration.✓
- 2The input frequency of the programmable interval timer (PIT) always dynamically depends on the processor clock.
- 3The input frequency of the programmable interval timer (PIT) is variable and software-controlled.
- 4The input frequency of the programmable interval timer (PIT) depends on the peripheral devices attached to it.
Correct answer
The input clock frequency supplied to the internal counters of the PIT is fixed for a given hardware system configuration.
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