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Basic Tasks of an Operating System
Recognizing input from the keyboard
Sending output to the display screen
Keeping track of files and directories
on the disk
Controlling peripheral devices such as
disk drives and printers.
It is also called end-user programs.
It includes programs that do real work
It is the general designation of
computer programs for performing
applications software sits on
top of systems software
because it is unable to run
without the operating system
and system utilities.
Programs of an Applications
Categories of an Application Software
Vertical Application-designed for
a particular type of organization.
Horizontal Application- are the
most popular and widespread in
departments or companies.
The operating system itself can be considered
application software when performing simple
calculating, measuring, rendering, and word
processing tasks that not used to control
hardware via command-line interface or
graphical user interface. This does not
include application software bundled within
operating systems such as a software
calculator or text editor.