COMPUTER FUNDAMENTALS

COMPUTER HISTORY AND EVOLUTION

DEVELOPMENT OF COMPUTERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ is believed to be the first calculating device.
A
Napier’s Bones
B
Abacus
C
Pascaline
D
Leibniz Calculator
Explanation: 

Detailed explanation-1: -The first calculating device that was invented was the Abacus. It is a manual calculating device that consists of rows of beads representing a place of value and digits. The abacus was invented by Blaise Pascal in the year 1642.

Detailed explanation-2: -So human civilization invented the abacus, which the Computer History Museum suggests is “the oldest continuously used calculating tool aside from fingers.” Though still in use in today, the abacus was merely the beginning of mankind’s interest in calculating machines, which have evolved radically over the years.

Detailed explanation-3: -Ancient Mesopotamians of Sumeria invented Abacus between and BC.

Detailed explanation-4: -Ans. Abacus was the first mechanical calculating device, developed by Chinese about 5000 years ago. It was used for counting large numbers and doing arithmetic calculations such as addition, subtraction, multiplication and division.

There is 1 question to complete.