Basic Tasks of an Operating
Recognizing input from the
Sending output to the display
Keeping track of files and
directories on the disk
Controlling peripheral devices
It is also called end-
It includes programs that do
real work for users.
It is the general designation
of computer programs for
performing user tasks.
software sits on top of
because it is unable
to run without the
A layer structure
the operating system
software and application
software are situated while
running on a
typical desktop computer
Operating System and Application
Programs of an Applications
Categories of an Application
for a particular type of
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.
1. It means computer instructions or data. Anything that can be stored
electronically is called _______.
a. Software b. Hardware c. Peopleware
2. Who creates the codes that make a program run?
a. Software Engineer b. Programmer c. Hardware
3. These are software applications except ,
a. Web Browser b. Mac c. Word
4. Is the most important program that runs on a computer.
a. Operating System b. Application Software c. Computer
5. It contains graphics and icons and is commonly navigated by using a
a. Graphical User Interface (GUI ) Operating System
c. Horizontal Application