Page 18 - TechPluse_C4_Flipbook
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Mind Boggler
Critical Thinking
A. Name the machines associated with the following
scientists in the field of computers:
1. Charles Babbage ...............................................
2. John Mauchly ...............................................
3. Blaise Pascal ...............................................
4. Herman Hollerith ...............................................
5. Gottfried Wilhelm Leibniz ...............................................
Critical Thinking
B. Write the year in which the following inventions took
place:
1. First mechanical calculator ...............................................
2. First electronic computer ...............................................
3. First mechanical computer ...............................................
4. First version of Microsoft Windows released ...............................................
Subject Enrichment
Open LibreOffice Writer, type the name of different calculating devices and
their inventors and save the file as `Evolution of Computers’.
Calculating Device Inventor
Analytical Engine Charles Babbage
Leibniz Step Reckoner Gottfried Wilhelm Leibniz
Tabulating Machine Herman Hollerith
Pascaline Adding Machine Blaise Pascal
1. Demonstrate the ABACUS and its use to the students.
2. Discuss the great breakthroughs which took place in each generation of computers.
16 Premium Edition-IV

