Explain the function of the operating …

 functions of operating system,.
Answer:

1. Device management
   In a computer system, there is a tremendous speed mismatch between the CPU and the I/O devices. The job of an operating system is to maintain a balance between the CPU and I/O devices. Apart from this, it has to maintain a balance between various I/O devices and has to keep the CPU busy in various processing.
2. Processor Management
   A process or a job is an application program in running state. Processor management is the important part of an OS, which enables the activities of planning, monitoring and performing a process. During execution, a process needs certain resources such as CPU time, memory space, files and I/O devices.

1. Security – The operating system uses password protection to protect user data and similar other techniques. it also prevents unauthorized access to programs and user data.
2. Control over system performance – Monitors overall system health to help improve performance. records the response time between service requests and system response to have a complete view of the system health. This can help improve performance by providing important information needed to troubleshoot problems.
3. Job accounting – Operating system Keeps track of time and resources used by various tasks and users, this information can be used to track resource usage for a particular user or group of user.
4. Error detecting aids – Operating system constantly monitors the system to detect errors and avoid the malfunctioning of computer system.