.
Most
programming languages consist of instructions for computers,
although there are programmable machines that
use a limited set of specific instructions,
rather than the general programming languages of modern computers.
A programming language is a notation for writing programs, which are specifications of a computation or algorithm Some, but not all, authors restrict the term
"programming language" to those languages that can express all possible algorithms Traits often considered important
for what constitutes a programming language include
Function and target
A computer
programming language is a language used to
write computer
programs, which involves a computer performing some
kind of computation or algorithm and
possibly control external devices
such as printers, disk
drives, robots and so on. For example, post
script programs are
frequently created by another program to control a
computer printer or
display. More generally, a programming language may describe computation on
some, possibly abstract, machine.
It is generally accepted
that a complete specification for a programming
language includes a
description, possibly idealized, of a machine or
processor for that language In most
practical contexts, a programming
language involves a
computer; consequently, programming languages
are usually defined and studied this way Programming
languages differ
from natural languages
in that natural languages are only used
for
interaction between people,
while programming languages also allow humans to communicate machine.
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