Question

fill in the blanks.
1)People started doing calculation with the help of............
2)The earliest calculations device is called................
3)Abacus was invented about........
4)...............developed the analytical engine which had features of present day computers.
5)Basic pascal invented.................. which was able to perform only.............. and...................
6)................. is known as father of computer.

Answer 1

1.abacus
2.abacus
3.5000years
4. Charles Babbage
5.by blaise pascal , addition and subtraction
6. Charles Babbage

Answer 2

Fill in the blanks.

1) People started doing calculation with the help of abacus.

2) The earliest calculations device is called abacus.  

3) Abacus was invented about 5000 years ago .

4) Charles Babbage developed the analytical engine which had features of present day computers.

5) Basic Pascal invented by blaise pascal which was able to perform only addition and subtraction .

6) Charles Babbage is known as father of computer.

Hope this help you