These monitoring systems are often used to keep track of system resources, such as CPU usage and frequency, or the amount of free RAM. Software monitors occur more commonly, sometimes as a part of a widget engine. Monitoring can track both input and output values and events of systems. Īmong the management issues regarding use of system monitoring tools are resource usage and privacy. System used to monitor resources and performance in a computer systemĪ system monitor displaying system resources usageĪ system monitor is a hardware or software component used to monitor system resources and performance in a computer system.