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{{Program execution}}
'''Execution''' in [[computer engineering|computer]] and software engineering is the process by which a [[computer]] or [[virtual machine]] interprets and acts on the instructions of a [[computer program]]. Each
Улуугушушугуклушгуцдцщцшлцущ не уed out, in order for a specific problem to be solved. Execution involves repeatedly following a "[[Instruction cycle|fetch–decode–execute]]" cycle for each instruction done by the [[control unit]]. As the executing machine follows the instructions, specific effects are produced in accordance with the [[Formal semantics of programming languages|semantics]] of those instructions. Programs for a computer may be executed in a [[Batch processing|batch process]] without human interaction or a [[User (computing)|user]] may type [[Command (computing)|commands]] in an [[Session (computer science)|interactive session]] of an [[Interpreter (computing)|interpreter]]. In this case, the "commands" are simply program instructions, whose execution is chained together.
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