Systems Software Flashcards
enables the applications software to interact with the computer and help the computer manage the internal resources
systems software
3 basic types of system software
operating systems
utility programs
language translators
the principal piece of systems software in any computing system; and consists of the master system of programs that manage the basic operations of the computer
operating system
are generaly used to support, enhance, or expand existing programs in a computer system
utility programs
a software that translates a program written by a programmer into a machine language that the computer understands
language translator
what are os’ basic operation
booting; housekeeping tasks; user interface; managing computer resources; managing files; managing tasks
refers to the process of loading an operating system into a computer’s main memory from a secondary storage device
booting
include formatting, or initializing, which means preparing a disk electronically so it can store data or programs
house keeping tasks
is the shell or the part of the operating system that user’s see on the computer’s display screen that allows him/her to communicate, or interact, with the system
user interface
3 types of ui:
command-driven, menu-driven, graphical-user
behind the ui, the operating system acts like a police officer directing traffic
managing computer resourcess
since files of data and programs are located in many places in the hard disk and other secondary-storage devices, when the user moves, renames, or deletes a file, the operating system manages such changes and helps him locate and gain access to it.
managing files and data
managing tasks of pc
multitasking (multiprogramming)
time-sharing
multiprocessing
the execution of two or more programs by one user concurrently on the same computer with one central processor.
multitasking
the processing, by a single computer, of the tasks of several users at different stations in round-robin fashion
time-sharing
