The output modifiers all support the use of Cisco’s regular expression syntax, which is quite similar to most other Unix-derived regex syntax. By using regular expressions creatively, we can come up ...

The total amount of energy stays the same. However, not all of the energy used in a particular process or device is useful. Some is always wasted, for example, as heat, sound, and light. The ...

The efficiency of a device is a measure of how much of the input energy appears as useful output energy. The more energy a device wastes, the less efficient it is. useful output energy refers to the ...