FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -In 1980 International Business Machines Corporation (IBM) asked Microsoft to produce the essential software, or operating system, for its first personal computer, the IBM PC. Microsoft purchased an operating system from another company, modified it, and renamed it MS-DOS (Microsoft Disk Operating System).

Detailed explanation-2: -When the IBM PC debuted, Microsoft was the only company that offered operating system, programming language, and application software for the new computer. The IBM PC DOS is also known as MS-DOS.

Detailed explanation-3: -The first IBM PC, formally known as the IBM Model 5150, was based on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system. The IBM PC revolutionized business computing by becoming the first PC to gain widespread adoption by industry.

Detailed explanation-4: -Microsoft Windows, also called Windows and Windows OS, computer operating system (OS) developed by Microsoft Corporation to run personal computers (PCs). Featuring the first graphical user interface (GUI) for IBM-compatible PCs, the Windows OS soon dominated the PC market.

Detailed explanation-5: -MS-DOS, in full Microsoft Disk Operating System, the dominant operating system for the personal computer (PC) throughout the 1980s. The acquisition and marketing of MS-DOS were pivotal in the Microsoft Corporation’s transition to software industry giant.