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Computer Software : Operating System Software

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Computer Software
Computer software is a program that enables a computer to perform a specific task. Computer is useless without a software. For example without internet browser you cannot search anything on the internet. You need system software such as word processer, which enables a user to perform a task, and system software such as an operating system, which enables software to run properly. Computer software has to be installed within the computer storage (such as hard drive, memory, or RAM). Once the software is installed, the computer is able to execute the software.
Types of software’s:
Operating System Software:
An operating system is a software that enable the computer hardware to communicate with the computer software. Without
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It is a multitasking computer operating system. It was designed to be a small and flexible operating system.
DOS-command line:
Disk Operating System (DOS) was the first operating system used by IBM computers. It was originally available in two versions “PC-DOS” and “MS-DOS”
Linux-command line:
Linux is a software that enables application and the computer operator to access the devices on the computer to perform desired functions.
Windows 95, NT, 98, ME, 2000, XP, Vista, and Windows 7:
These are the computer operating systems designed by the Microsoft.
Novell Netware:
Novell Netware is also a brand of operating system designed for networks or simply a local area network (LAN) operating system. Netware is a product of the popular IT-centred company called Novell.
MAC OS:
Mac operating is series of graphical user interface (GUI). Mac operating system was developed by Apple Inc. It was first introduced in 1984.
MAC OS X:
This operating system was released in 2001. It is the latest version of Mac OS. It is a series of UNIX based graphical interface operating system.

Virus:
Virus is a software program that are designed to spreads from one computer to another and to interfere with computer operations. While using the internet your computer may have come in contact with computer viruses. A computer virus might corrupt or delete data on the computer, or erase everything on your hard disk. Viruses also spread ether by portable media, such as external
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