When using the Task Manager, you can identify the files that are used to start a program or other services because they have a file extension of:

A good way to assess your CPU usage is to

a. feel the temperature of the CPU with your hand. b. listen for the sound of a spinning hard disk drive. c. check the number reported by the system defrag utility. d. check the Performance tab of the Task Manager.

Match the following terms with their description

I. NSFNET II. ARPANET III. CERN IV. NAPs V. CSNET A. Created by the National Science Foundation B. The primary Internet backbone in the late 1980s C. European Organization for Nuclear Research D. The first five large network access points E. Started in the 1960s