HOW COMPUTERS WORK ?
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WHAT IS A DESKTOP ???
Desktop refers to the main screen area of
the Windows operating system
WHAT IS A FOLDER?
• A folder is like a
drawer of your desk in
which you are used to
HOW CAN I CREATE A NEW FOLDER?
To create a new folder on your Desktop – With your mouse right click
anywhere on an open area of the desktop. Select “New” and then, click
folder. A new folder with the default name “New Folder” will be created
on the desktop. Either accept the default name “New Folder” (bad idea)
by hitting the enter key or type a new name for the folder (good idea)
and then hit enter on the keyboard.
WHICH FOLDER I ALREADY HAVE WHEN I BUY
A COMPUTER ?
• It depends on which kind of computer you buy
and on the operational system installed. It could
be Apple or Microsoft.
Special Folder Represents
• File system directories.
Desktop Directory Files stored on
the user's desktop.
Favorites User's Favorites.
Internet Cache User-specific
Temporary Internet Files.
My Documents User's documents
My Music User's music
My Pictures User's pictures
My Videos User's video files
"(All) Programs" groups and icons.
Start Menu User-specific
"Start Menu" .
• Virtual Folder Represents
Recycle Bin - The aggregated contents
of the Recycle Bin on all drives for the
Desktop - The Windows Desktop
Drives - My Computer, contains virtual
folders representing everything on the
local machine, as well as mapped
Internet - Resources located on the
Internet; Web DAV connections, etc.
My Documents - Virtual folder of the
user's My Documents folder; used as a
child of the Desktop virtual folder
Search Results - Listing of the results
of the last search of the computer
(appears only after a search)
Printers - Container folder for installed
WHAT IS A FILE?
A file is a document, a package of information with a name attached to it.
WHAT IS A FILE?
• files can record data, such as text or numbers. For
example, a document that you have done on
Microsoft Excel which contains all information about
your monthly expenses.
• It exist program files, for example: Windows Media
Player, that let you listenning to music.
HOW TO SAVE A FILE?
• If you want to save a file,
a document wich is
• you have to select “File”
in your “menu bar”.
• Then, a dialog box will
open, if you want to save
this file for the first time,
you have to select the
option “Save as”.
• 1. Choose the part of your computer where you want to save your
document in the “save in” box.
• 2. In the “file name” box, enter the name of your document.
• 3. Now, click on “save”, in order to confirm your selections.
HOW TO COPY A FILE ?
• Open the location that
contains the file you want
• (look at the picture) Right-
click the file, and then
HOW TO COPY A FILE ?
• Open the location where
you want to store the copy.
• (Look at the picture 2)
Right-click an empty space
within the location, or use
the edit button in menu bar
and then click Paste. The
copy of the original file is
now stored in the new
HOW TO COPY AND PASTE PICTURES AND
TEXT IN A DOCUMENT ?
• If you want to insert a photo or some text from
another file document in a report :
• Look at the picture 1, you
have to make a right-click
anywhere within the
photograph. The context
• Then click on Copy to make a
digital copy of the photograph.
The copy will be stored in a
special area of your computer
and will remain there as long
as you have power turned on.
• If you want to copy and paste
some text from your
document. Simply highlight
the text you want to copy, then
select Copy from the context
menu. (Alternatively, you can
use the Keyboard shortcut:
Edit > Copy or hit Ctrl + V).
• Look at the picture 2, you
have to go to the document
where you want to paste the
• Click in the spot where it
• Then pull down the edit menu
and select Paste.
• Your photograph will
automatically be inserted into
the area you have selected.
You can also paste directly
from the keyboard by holding
down the Ctrl and V keys
• In both cases you can also go
to Edit > Paste to paste either
text of a photograph into your
WHAT IS A PROGRAM ?
• In a computer, operations
are performed by
following the instructions
of computer programs. A
programm is typically
composed of a set of
functions. A procedure is
a sequence of
instructions to carry out
an operation, for
example: sorting a list.
WHAT ARE EXTERNAL DEVICES?
• An external device is a component that
can be connected to your computer.
These external components of the
computer are called : peripheral input or
output. It exists two types of peripheral,
input devices and output devices.
• The input devices is used to
provide information (or data) to
the computer system:
Keyboard (typing text), mouse
(pointing), scanning (scaning
of paper documents),
• The output devices are used to
bring out information from the
computer system: monitor,
printer, speaker, etc..
WHAT IS AN HARD DISK ?
• A hard disk is a memory
used mainly in
• A hard disk can store
anywhere from 10 to
more than 100 gigabytes
(gigabyte is a unit of
WHAT IS A MEMORY ?
• It is an artificial memory (like a
small box) with components,
which can store all kinds of
data or programs either
temporarily (like a transistor) or
on a permanent basis (like a
• All your information in a digital
computer (text, numbers,
pictures, audio, and nearly any
other form of information) are
store in a memory.
WHAT IS A MENU BAR?
This bar has several menu options: File, Edit, View,
WHAT ARE KEYBOARD SHORTCUTS?
• The shortcuts allows you
to access in an
instantaneous way to the
specific functions of
windows using the
keyboard instead of using
the menu bar.
Shortcut Keys description
• Alt + F File menu Ctrl + V Paste
options in current program.
Alt + E Edit options in Shift + Ins Paste
current program •
• Ctrl + Home Goes to
F1 Universal Help beginning of document.
in almost every Windows program. •
• End Goes to end of
Ctrl + A Select all text. current line.
Ctrl + X Cut selected Ctrl + End Goes to end of
Shift + Del Cut selected Shift + Home Highlights from
item. current position to beginning of line.
Ctrl + C Copy selected Shift + End Highlights from
item. current position to end of line.
• Ctrl + Ins Copy selected