advantages and disadvantages of serial processing operating system

The user gives instructions to the operating system or to a program directly, and receives an immediate response. An OS does the following activities related to multitasking − Switches occur so frequently that the users may interact with each program while it is running. Multitasking is when multiple jobs are executed by the CPU simultaneously by switching between them.

Due to lack of protection scheme, one batch job can affect pending jobs.

Increased performance as a new job get started as soon as the previous job is finished, without any manual intervention.

When a job completes its execution, its memory is released and the output for the job gets copied into an output spool for later printing or processing.īatch processing takes much of the work of the operator to the computer.

Jobs are processed in the order of submission, i.e., first come first served fashion. The OS keeps a number a jobs in memory and executes them without any manual information.

The OS defines a job which has predefined sequence of commands, programs and data as a single unit. An operating system does the following activities related to batch processing − Batch processing is a technique in which an Operating System collects the programs and data together in a batch before processing starts.

Advantages and disadvantages of serial processing operating system