Transcript 3 Understand the various common elements of the Operating System

BRIDGE COURSE
of
INFORMATION & COMMUNICATION
TECHNOLOGY
ACTIVITY – 3
UNDERSTAND THE VARIOUS COMMON ELEMENTS OF
THE OPERATING SYSTEM
Agenda of this activity
 Describe basic functions of an Operating System.
 Describe the parts of window's Desktop
environment.
 Make the use windows Start Menu.
 Effectively use windows applet like media player,
calculator etc.
 Describe the various tool bars of Windows OS.
07/09/13
What is an Operating System
AN
OPERATING
SYSTEM
IS
A
COLLECTION OF SOFTWARES THAT
MANAGE
COMPUTER
AND
THEIR
HARDWARE RESOURCES AND PROVIDES
COMMON SERVICES FOR COMPUTER
PROGRAME.
Our OS acts like a telephone:-The
Intermediater
07/09/13
Purpose of an Operating System
 Our computer cannot work with out an Operating
System.
 Operating System acts as intermediater between us
and the physical parts of the computer (screen,
keyboard, hard disk, printer,...), making it easier to
handle.
 For example, there is no need for us to know exactly
in what part of the hard disk we have saved a certain
document we created, the operating systems takes
care of it.
Examples of popular OS
 GNU/Linux
 Microsoft Windows: Windows 97,Windows XP
 Unix
 IBM z/OS
Tour of Windows
XP
See this recognize as Windows XP
What we see when we start computer-Desktop
The Desktop is the on-screen work area on which windows appears.
What is an Icon
 On the desktop we have icons that allow us to open
the corresponding program.
 For example, by clicking on the icon internet Explorer
will open up.
The Bars and Start Button
Task Bar. The task bar is what appears on the bottom of the
screen. On the bottom left corner there is the Start button. Next
we have the area for shortcuts, then the programs running, and
lastly the notification area.
In windows the Task Bar looks like as shown below:-
Start Button:-
The Start Button is the button through
which we can access the entire breadth of options that Windows XP offers us.
Title Bar:The title bar contains the name of the program you are working
with (Notepad) as shown in the picture below:-
The minimize button shrinks the window
The maximize amplifies the size of the window to the
whole screen.
The restore button restores the window to its original
state.
The close button closes the window.
07/09/13
Tool Bar, Scroll Bars, Status Bar
The tool bar contains icons to immediatelly execute some of
the most often used commands.
The scroll bars allow us to move through out the page in a
quick and simple manner. Simply drag the bar with the mouse
or click on the arrows.
The status bar is used to give the user certain information.This
information varies depending on the window that is opened at
the time.
07/09/13
Windows explorer
The Windows Explorer is the File Manager.
Through it we can delete, see, copy, or move
files and folders.
Open the Explorer as follows:
 Click on Start
 Select All programs
 Select Accessories
 Select Windows Explorer
Windows explorer…
See the picture
The Windows Explorer´s window
Searching:-Search function provided by Windows to
locate the file or folder quickly
 Click Start
 Select on the menu Search
The general search page
Searching Files or Folders
 For adding more specific information about the file or
folder you want to search use this:-
The Recycle Bin
The Recycle Bin a space reserved to store information
that is deleted so that in the event of deleting a file or
folder by mistake it is possible to get it back
Windows Applet:- Calculator
Picture below shows the way to reach calculator
07/09/13
Calculator:- The picture below shows the windows calculator
available. This performs all sort of basic calculations
07/09/13
Windows Media Player
click on this icon
Help:To access help click this icon
References
26