operating system Flashcards
what is an operating system
software that helps manage the resources of a computing system and provides the interface between the user and computers hardware
when can multitasking in an OS happen
OSs can only perform one at a time but through memory management more than one process can be executed
where are programs temporarily stored for the CPU to be able to process them
RAM
what is a peripheral
external device connected to a computer system to input or output data
in peripheral management what process need to be managed by the OS
when data is transferred between the external device and processor
what is a device driver
program that provides an interface for the OS to interact and communicate with an external device
what are drivers what do they do
drivers are hardware dependent and OS-specific. driver translates OS instructions into format the hardware can understand
what does a user management do
allows user to create,manage, and delete individual accounts. the user accounts can be granteed different access rights e.g. administrator
what does memory management do
the OS transfers programs in and out of memory from the hard drive or virtual memory when processing is required - program removed from RAM when closed, freeing up space
what is file management
OS creates and maintains a logical management to organise files. files can be named, opened, copied, and deleted. users can set different access rights for viewing
what are the different types of user interfaces
graphical user interface, command line interface, touch-sensitive interface, menu driven interface, voice driven interface
