Basket : The basket is a provisional site where are tidied files to delete. To delete definitively files it is necessary to empty the basket .
From the basket we can restore files if we have suppressed them mistakenly . The basket holds place on the hard disk if we do not empty it .
Mouse: In general ( for a right-handed ) the left button serves to select , the right button to open a small menu and the wheel to do a screen moving .
Ctrl & Shift : If we push the key during selecting with the mouse , choosen objects are added . With the key we determine the first and the last objects of a list .
To displace: If we maintain the support on the left button of the mouse during selecting an object , we can displace it to an other window .
Stop: It is necessary to stop the computer by the operating system before cut the power supply , otherwise we risk to lose files not transferred on the disc .
Screen copy: If we push on the key we transfer what is displayed on the monitor to the paper press . we can then paste this image in a software .
Safeguard : It is necessary to safeguard works made on a computer to the case or a breakdown would occur , out of the computer , for example on a Usb key or a CD Rom .
Cleaning : The cleaning of a hard disk allows to suppress temporary files ( directory TEMP, Internet Temp ) and to empty the basket entirely .
Test software : It is necessary to avoid installing software to try them , even suppressed it leave almost always traces on the hard disk ( Ex: empty directories ) .
Frozen software : If we push on keys at the same time we stop the frozen software by accessing to the administrator tasks .
Internet : There is on the hard disk an incredible quantity of files recorded by the internet navigation . We can delete them from navigator .
These files are notably COOKIES that serve to memorize in your computer what you look , to use them later for targeted advertisements .
Internet : Don’t forget that when you use an Internet connection everyone can view what you put on your site and can capture it or record it : personal photographies ,
various revelations, religious and political opinions , persons you now …….
Breakdown : Problems or breakdown on a computer are rarely due to electronic but to software problems ( sometimes caused by the user ) .
In principle the computer indicates during the starting , by bips sounding , if it detects an electronic problem . A computer in breakdown is displaying nothing at all .
Anecdote : A tension of 5 volts being present on a USB plug , we can use it to supply machines or gadgets that have not the USB function .