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Windows XP is the most popular version of Microsoft Windows. Windows provides a graphical interface, through which you can run programs, manage files, connect to the internet, and perform many other task as well.

How to start and exit from windows xp

Starting windows xp

Windows XP starts automatically when you turn on your computer. Depending on the way your PC is currently set up, you may be prompted to select a user account when you start up your PC. Windows will display a welcome screen, from which you click your user name and indicate who you are by entering your password.

Once Windows XP has initialized, the following screen will appear.

Each user has his own ideas about what constitutes attractive screen colors, important shortcut to place on the desktop etc. This combination can be saved as user profile and Windows remembers all the setting and preferences.

Shutting down windows xp

When you finished using your PC, you shouldn’t turn off the power because that could cause later problems in Windows. Instead, you should use the Shut Down command on the Start menu (or press Ctrl+Esc if the Start menu is invisible). This approach ensure that Windows shuts down in an orderly way that closes all opened files and saves your work in any open program.

When shutting down, you have two options: Turn Off and Restart. If you are probably to be away from the computer, you will probably want to turn it off. If the computer is acting strangely and you want to start fresh, you will want to refresh.

If for some reason, the computer is not ready to shut down , the computer will remind you in dialog boxes.

Basic terms and operations

The Icons

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 windows

All the windows have the same structure;The window above is the one that opens when you click on My Computer. Its structure is very similar to the others.

All the windows are formed by:

  • The title bar contains the name of the program you are working with and in some cases the name of the opened document also appears. In the top right corner we can find the minimize, maximize/restore, and close buttons.
  • The minimize button shrinks the window it turns it into a button located in the WindowsXP task bar.
  • 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. If we have modified the document, we are asked if we want to save the changes before closing.

The dialog boxes

The dialog box is a small window-like box that opens after an operation has been selected. In it, you select options and settings to tailor the operation before it proceeds.

Text box : a control in which a user can enter texts (or numbers).

List box : a box that contains a list of selectable items. In some instances, you select an arrow button on the right of the box in order to display the selectable items.

Combo box : a combination of a drop-down list or list box and a single-line textbox, allowing the user either to type a value directly into the control or choose from the list of existing options.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Introduction to computer science. OpenStax CNX. Jul 29, 2009 Download for free at http://cnx.org/content/col10776/1.1
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