What Program is
Another term for software, it is basically a list of instructions (written in a programming language) that tells a computer how to execute certain functions and perform tasks in a specific way.
There are many kinds of programs, including:
-antivirus, which detect and remove computer viruses
-application, which are tools that perform specific kinds of tasks (such as word processing)
-authoring, to help create Web sites
-calendar, which contain a calendar or appointment book
-child, which are actually subprograms loaded into memory and used by the main program
-computer program components (CPC), which are routines or modules within a larger program
-conversion, which change a file from one format to another
-demo, which exhibit a sample of a program for free or for a low price
-drawing, used for drawing, illustrating, and editing graphics
-event-driven, which wait for events to occur and then respond to them
-file recovery, which restore files that have been damaged or unintentionally deleted,
-file transfer programs (FTP), which enable a user to copy a file from one computer to another
-formatingt, which erase a disk and prepare it for use
-system, such as the operating system
-utility, which maintain the computer system
The meaning of Server
A host computer on a network. It houses information and responds to requests for information (for example, it houses Web sites and executes their links to other Web sites). The term "server" also refers to the software that makes the act of "serving information" possible. Commerce servers, for example, use software to run the main functions of an e-commerce Web site, such as product display, online ordering, and inventory management (you'll also hear this described as shopping cart technology). A server is the control computer on a LAN, meaning it controls the software, access to printers, and other parts of the network (usually accompanied by workstations that "share the load"). A server may be dedicated (where its sole purpose is to be the server) or non-dedicated (where in addition to being the server, it can be used for basic computing purposes).
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