COMPTIA A+ Practice Exam

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What is the default IRQ for LPT ports?

  1. 5

  2. 4

  3. 7

  4. 3

The correct answer is: 7

The default IRQ for LPT ports is 7. An IRQ (Interrupt Request) is a signal sent to the CPU by a device that requires attention. LPT (Line Printer Terminal) ports are used for connecting printers and other devices to a computer. While it is possible to change the IRQ for LPT ports, the default setting is typically 7. The other options, 5, 4, and 3, are commonly used for other devices such as the serial port, audio controller, and floppy disk drive, respectively, but not for LPT ports. Therefore, they are not the default IRQ for LPT ports.

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