is the process of a user confirming that they are who they say they are on a computer system. In a network, this is often done through inputting a username and password. For networks that require ...

What is a computer system? A computer system is made up of different parts and each has a special job. Some will be inside the computer and others will be outside. Some parts are connected by ...

Today's applications are often programmed in multiple layers ... system, which itself may be executing 10 times as many instructions as necessary, and you understand why even on a fast computer ...