Serial/Parallel/USB/Firewire ports - Worksheet 3


Parallel Ports

DIRECTIONS:

Answer the following questions:

1.  What does it mean to send data in a parallel transmission verses a serial transmission?

2.  How many pins does a PC parallel port typically have?

3.  On the back of a PC, is the parallel port on male or female?

4.  List 4 external devices that you can connect to a parallel port.

   
   

5.  In the table below list the standard IRQ and Port Addresses that a parallel port uses.

 Paralell Port

 IRQ

Port Addresses

 LPT1

   

6.  In the table below list the maximum transfer rates attainable with a parallel port in the mode listed.

 Paralell Port Mode

Transfer Rate

 SPP

 

 Bidirectional / PS/2

 

 EPP

 

 ECP

 

7.  What type of parallel device would you most likely find a "Centronics" connector on?