Sequence
of instructions conceived to be treated by a computer in a precise order with
the purpose of achieving particular results or actions.
Programs are recorded
in a file on a mass storage device (For example a hard disk or CD-ROM).
A way to launch
a program is to dubble-click on the corresponding file as it appears on the
screen. At that moment the program is loaded in memory. (see
). Then it becomes active and its execution is launched by the system.
The results can
be displayed on the screen or the program can send them to a printer and command
the execution of that one, or the program can command the execution of a machine
and generate an alert when some conditions are met, and so forth and so on.
These programs are
written in a language that can be interprated by the machine. There are different
computer languages which are so many ways to command the execution of instructions
by the machine towards treatment of informations.
