Question

Answer these questions.
1. What is an Abacus?
2. Who invented the Leibniz calculator? 3. Which technology was used in first and second generation computers?
4. Name some of the computers developed during the third and fourth generation.
5. Write any two characteristics of the computer.​

Answer 1

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1. The abacus, also called a counting frame, is a calculating tool which has been used since ancient times. It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the Hindu-Arabic numeral system. The exact origin of the abacus has not yet emerged.
2. Leibniz Calculating Machine In 1671 Gottfried Wilhelm von Leibniz
3. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky and unreliable. A second generation computer, through the late 1950s and 1960s featured circuit boards filled with individual transistors and magnetic core memory.
4. Sorry
5. Speed. A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations.

Accuracy. Computers perform calculations with 100% accuracy.

Answer 2

Answer:

1. An abacus is an ancient counting device which is to solve any mathematical problem related to addition, subtraction, multiplication and division.

2. Gottfried Wilhelm Leibniz is the inventer of Leibniz calculator.

3. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky and unreliable. The second generation of computers uses circuit boards filled with individual transistors and magnetic core memory.

4. IBM 4341, DEC 10 are example of 4th generation computers and IBM 370, PDP-11 are example of 3rd generation computer

5. i) it is fast in nature.

ii) it is very accurate.

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