development of computer programs

outputting information to a printer.

launching programs for execution

computer resource management

 dialogue with the user

Processes are indirectly aware of each other's existence

processes are aware of each other

Processes are waiting for information about each other

Processes are directly aware of each other's existence

The processes are aware of each other but do not interact.

efficiency of algorithmization

Reducing the overall execution time

ease of execution

Justice

Reducing waiting time

Efficiency

Reducing response time