1. Performance Monitor

• It allows you to see how your system is performing by showing different segments of performance. One thing it monitors is the memory usage and the available memory. It also shows information about the processor. You can also see how the disk is operating at any point in time so that can help you with troubleshooting if needed.

2. Interrupt Requests

• Whenever an I/O device has an input they interrupt and let the operating system know by flagging the operating system. That is basically what an interrupt request is.

3. I/O port

• An I/O port is what is used to connect the I/O device to the computer. For the actual communication it can use parallel or serial data transferring. Parallel is quicker for short distances, but gets bogged down over long distances. Serial is for longer distances.

4. What are counters used for?

• A counter is used as a way of looking at a computer's performance. That is why it is called a performance counter.

5. What is a Data Collector Set and how might it be used?

• It is a way of compiling a specific data set and it can be used to see how your computer is performing.