OpSys1

Front

Describe the objective of batch processing.

Back

To maximize the CPU utilization

Front

Describe why batch processing causes an acceleration effect, when multiple tasks are executed

Back

Because of the automation. No time is wasted when changing users.

Front

Name the preconditions that must be satisfied for batch processing before the execution of a task can begin.

Back

Each program needs to be provided completely (with all input data!) before the execution may begin.

Front

Name tasks for which batch processing is well suited.

Back

Batch processing is well suited for the execution of routine tasks.
Data aggregation, backup database(24h)

Front

Batch processing is always. . .

Back

non-interactive

Front

Name an application of batch mode, which is still popular today.

Back

Batch files, shell scripts,...

Front

Describe what spooling is.

Back

Spooling removes I/O workload from the CPU by using additional hardware.

Front

Describe the objective of time-sharing.

Back

A fair distribution of the computing time among the users.

Front

Describe how time-sharing distributes the computing time among the processes.

Back

By using time slices.

Front

Give the name of the quasi-parallel program or process execution.

Back

Multitasking