DIRECTIONS:
Answer the following questions:
1. What do the letters "IRQ" stand for?
2. List the standard IRQs and port addresses for the COM ports in the table below.
COM Port
IRQ
Port Address
1
2
3. How many serial ports are supported by DOS?
4. How many serial ports are supported by Windows 95/98/Me/2000?
5. What does "UART" stand for?
6. What does a loopback test plug do?
7. What is the maximum speed that a 16550A UART chip will handle?
8. On the back of a PC, is the serial port male or female?
9. Can the serial port be 9 pin, 25 pin, or both?