* What is a parallel interface?
* What does it interface?
* What is required on the Microprocessor side?
* What are 3 categories of signals found on the microprocessor bus?
* What does it mean to be a memory mapped I/O device?
* What does it mean to be a synchronous bus?
* What is one way for a synchronous bus to do a read operation?
* What is one way for a synchronous bus to do a write operation?
* What is aliasing?
* What does the chip select signal signal?
* How can a unidirectional (out) parallel port be constructed?
* How can a unidirectional (in) parallel port be constructed?
* How can (should?) LEDs be driven?
* How can switch be attached to a parallel port?
* Why does the value read from an open collector based parallel port not always reflect the value stored in the data register?
* Is this an error?
* When are open collector signals ''slower'' than non open collector signals?
* What happens if 2 open collector drivers are attached to the same I/O line?
* What happens if 2 tri-state drivers are attached to the same I/O line?