Multiple choice

The _______ uses IRQ 1 line.

  1. keyboard

  2. sound card

  3. floppy disk controller

  4. COM 1 port

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 IRQ 1 enables keyboard to communicate with the microprocessor. If we assign the same IRQ to two devices, this will result in an IRQ conflict and the system or the device may malfunction.