BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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integrated circuit
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punch card
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abacus
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Z1 machine
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Detailed explanation-1: -The earliest known calculating device is probably the abacus. It dates back at least to 1100 bce and is still in use today, particularly in Asia. Now, as then, it typically consists of a rectangular frame with thin parallel rods strung with beads.
Detailed explanation-2: -Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.
Detailed explanation-3: -In ancient times, the abacus was used as a calculator; it aided in performing mathematical processes like counting, addition, subtraction, and multiplication. Calculators and computers are relatively new inventions, rendering the use of the abacus a bit obsolete.
Detailed explanation-4: -Detailed Solution. The correct answer is a Mechanical calculator. It was the first mechanical calculator.