COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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program in High level language kept on disk
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a program in execution
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a job in secondary memory
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None of the above
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Detailed explanation-1: -A computer processor executes an instruction. In computing, a program is a specific set of ordered operations for a computer to perform.
Detailed explanation-2: -Process execution refers to execution of an action or a process. A process can be a computation script, a workflow definition, a service etc. An action can be a decision making, a judgment etc. A process execution should be associated with an actor.
Detailed explanation-3: -Detailed Solution A process is the instance of a computer program that is being executed by one or many threads. It contains the program code and its activity. Therefore, the process is a program in execution.
Detailed explanation-4: -A process is an instance of a program running in a computer. It is close in meaning to task, a term used in some operating systems. In UNIX and some other operating systems, a process is started when a program is initiated (either by a user entering a shell command or by another program).
Detailed explanation-5: -Program in execution is called process. The process is an active entity. Hence the correct answer is process.