Review Questions
One mark questions:
1. What is a computer ?
2. What are advantages of learning computers?
3. Which is the earliest computing machine?
4. Who invented the Pascaline?
5. What are the advantages of the machine by Leibnitz over the Pascaline
6. What is Charles baggage known as?
7 What is the machine proposed by Babbage, to perform differential equations called as?
8. Who is the father of computers?
9. What concept of computing did Herman Hollerith to find a faster way to compute U. S. census
10. Who developed the first all-electronic computer?
11. What us the electronic relay computer Mark-I also called as?
Answers
Explanation:
1) An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a
variable program.
2) Computers increase your productivity and, with a good understanding of the software running on them, you become more productive at everything you do. For example, once you have a basic understanding of using a word processor, you can create, store, edit, share, and print documents and letters.
3)The first device to computing machine is A
Abacus.
4) 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.
5) In 1694, Leibniz improved the Pascaline by creating a machine that could also multiply. In 1820, Colmar improved the machine, the Arithometer, so it could do the four basic arithmetic functions. The true beginnings of computers as we know them today, began with an English math professor, Charles Babbage.
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Answer:
what are advantages of learning computers