SSC MTS EXAM

Detailed explanation-1: -The earliest known tool for use in computation is the Sumerian abacus, and it was thought to have been invented in Babylon c. 2700–2300 BC. Its original style of usage was by lines drawn in sand with pebbles. Abaci, of a more modern design, are still used as calculation tools today.

Detailed explanation-2: -The first computer was invented by Charles Babbage (1822) but was not built until 1991! Alan Turing invented computer science. The ENIAC (1945) was the first electronic general-purpose digital computer; it filled a room. The Micral N was the world’s first “personal computer”(1973).