The role of computer monitors in measuring the success of the system
This can serve as an automated means of system evaluation. They include:
a) Hardware monitors. These measure the presence or absence of electrical signals in selected computer hardware circuits. They measure idle time or levels of activity in the CPU or peripherals.
b) Software monitors. These interrupt the application in use a record data about it e.g. waiting time during program execution.
c) System logs. These provide useful information
on: Unexplained variations in job running times
SYSTEMS THEORY& MANAGEMENT INFORMATION SYSTEMS
Excessive machine downtime
Efficiency of mixed workloads