Operating System

The operating system is the software which was first read by the computer at boot time as the basic operation of the computer.
1. There are two types of operating systems based on the user interface (user interface) that is based CUI (Character User Interface) and GUI (Graphical User Interface). CUI-based operating systems, such as: DOS (Disk Operating System) and UNIX operating systems and Linux terminal or console mode. While the GUI-based operating systems, such as: Microsoft Windows 9x, 2000, NT, XP, and UNIX and Linux operating systems that have supported GUI.
2) Assist Program and Supplement Program
Program aids (utility) is a program that is used to fill the gap or retrieval of an operating system file deleted. PC Tools and Norton Utilities is an example of the program. One of the weaknesses of DOS is not able to work in a network system. Therefore, some companies create additional programs that can change the DOS system (single user or a stand alone system) into the operating system that can be used by multiple users (multi-user). Netware, Token R ing and Lantastic merukan examples of this program.
3) Computer Languages ​​(Computer Language)
Computer Language is the language used to create computer programs. Language called karenacomputer language has vocabulary and grammar that must be obeyed by the wearer.
Included in this type are:
a. Low Level Language, is a low-level language because it is difficult to understand and can only be understood by the author. That included this program is assembly language machine language
b. High Level Language, is a high-level language for using words that are easy to understand. An example of the program is BASIC, PASCAL, FORTRAN, etc..