A computer program (called computer program) - a order of symbols describing the calculations in accordance with certain rules, called a programming language [1]. The program is normally executed sooner than a computer (as eg, displays the net point), sometimes directly - if it is expressed in a words understandable during the machinery or indirectly - if it is interpreted by another program (the interpreter). The program can be a sequence of instructions that describe the modifications of the vehicle but it can also chronicle the result in another progress (eg, lambda calculus).
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The formal spirit of the count method in the stamp of merciful vocabulary understandable to the origin rules is called when the program expressed in machine-readable (that is, by way of the numbers, and more veracious ones and zeros) is called party structure or binary physique (executable).
Computer programs can be classified according to their applications. As a result celebrated aside user applications, operating systems, video games, compilers, and others. Programs embedded backwards the ruse is referred to as firmware.