Wikipedia currently lists 710 computer languages.
Computer languages are programs that can convert desired actions into a language that the computer can understand. Essentially, the user enters the program code into the computer, then the computer converts it to a language that can then be executed by the computer.
International Journal of Computer Processing of Languages was created in 1983.
in computer
yes
People created the different computer languages to help them solve various different types of problems on computers.
The oldest computer language is machine code and all computer languages are binary encoded. It's unavoidable on binary machines.
because..... thats what they did
It is not essential to understand computer languages as you can do a lot with a computer without knowing them, and most people that use computers do not understand any computer languages. However, if you want to write programs and get the computers to do more elaborate things then knowing some computer languages is important. If you can write programs then there are employment opportunities in it and if you are really good you could create a really good program and do very well out of it.
yes they can be changed.
How many generations of computer languages have there been since the middle of the 20th century
The five main categories of computer languages are "general purpose languages (C++, Java, C#, Smalltalk), scripting languages (Perl, Python), Web-based languages (Javascript, PHP, Curl), functional languages (ML, Haskell), and AI languages (Common Lisp, Prolog)." Source: Big C++, by Horstmann and Bud