SSC MTS EXAM

Detailed explanation-1: -IBM PC . IBM Corporation, the world’s dominant computer maker, did not enter the new market until 1981, when it introduced the IBM Personal Computer, or IBM PC. The IBM PC was significantly faster than rival machines, had about 10 times their memory capacity, and was backed by IBM’s large sales organization.

Detailed explanation-2: -The IBM PC, Commodore 64 and the ZX81 were among personal computers to hit the shelves in 1981. The first IBM PC had a 4.7Mhz processor and the cheapest model had 16K of memory.

Detailed explanation-3: -Major computer events in 1981 On August 12, 1981, IBM joined the computer race when it introduced the IBM 5150 PC. It featured the 4.77-MHz Intel 8088 CPU, 16 kB base memory, and the Model F keyboard. Its retail price was $1, 565.

Detailed explanation-4: -When MS-DOS was released in 1981, it was by no means certain that Microsoft would go on to become the tech giant it is today. But over the course of the 1980s, via Microsoft’s business maneuvering and its tight relationship with IBM, MS-DOS became the leading computer operating system.