Functions of the Operating System (Resource Allocation (The function of…
Functions of the Operating System
The function of Resource Allocation on an operating system is:
Stopping a process and restoring the system facilities so that they can be accessed by other processes
Allocating resources to processes. (Such as memory, files or buffers)
Scheduling time spent by the processor conducting operations
The five main functions of the OS concerning Input/Output are:
Keep timing between devices and the processor consistent and aligned
Ensuring all devices are ready to communicate with the processor
Ensures all data is transferred correctly
Maintain the speed of transfer between main memory and the processors
Regulating process to search for errors
This section of the operating system organises and keeps track of files.
The functions of file management are:
Providing a connection between the file the user sees and the file's actual location
Allowing the data in files to be altered, such as creating, altering or deleting files
Maintaining a directory of where files are stored on the storage devices
Requesting the transfer of data with input or output devices
The functions of a UI are:
The user performs an action and the UI processes it and sends it the appropriate part of the OS. (Such as mouse clicks and menu selections.)
The user interface (UI) involves how the user of the OS interacts with the computer
Memory management is concerned with how data is stored in the main memory.
The three main functions of memory management are
Loading programs into memory so they all have the correctly allocated amount of memory.
Keeping an eye of what goes in and out of memory.
Keeping track of used memory so it can be freed up when no longer in use.