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5. Write a short note on:

a. ENIAC

b. Abacus

Scratch Your Brain.

1. Name the machines associated with the following scientists in the field of computers:

a. Charles Babbage

b. John Mauchly

c. Blaise Pascal

d. Herman Hollerith

e. Gottfried Wilhelm Leibniz

2. Write the year in which the following inventions took place:

a. First mechanical calculator

b. First electronic computer

c. First mechanical computer

d. First version of Microsoft Windows released

3. Competency-based/Application-based questions:

a. Neha asked her computer to help her decide what to wear to school, but it didn’t give
her any useful ideas. Why might the computer struggle with this decision?

b. You have a very old computer and a new computer side by side. Write a
few sentences about each computer, explaining what they can do and what
makes them different.

SDG Activity

You notice many trees in your neighborhood are being cut down. Do you
think trees have some feelings or they are just like machines? Discuss with
your teacher.

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