Discuss the various generations of computers.

a) Write the procedure to convert fractional Decimal to Binary
b) Convert (98.46)₁₀ to bianary

a. Add 1101010₂ + 101101₂
b. Subtract 1101011₂ - 111010₂

Explain the characteristics of a microprocessor.

Explain the types of ROM.

Explain the main purpose of an operating system

Draw and compare the icon equivalence in windows and Ubuntu.

Explain Page formatting in Writer.

Read the following table

	A	B	C	D	E
1	Year	Chennai	Madurai	Tiruchi	Coimbatore
2	2012	1500	1250	1000	500
3	2013	1600	1000	950	350
4	2014	1900	1320	750	300
5	2015	1850	1415	820	200
6	2016	1950	1240	920	250

Above table shows the sales figures for “Air Cooler” sold in four major cities of Tamilnadu from the year 2012 to 2016. Based on this data, write the formula to calculate the following.
(1) Total sales in the year 2015.
(2) Total sales in Coimbatore from 2012 to 2016.
(3) Total sales in Madurai and Tiruchi during 2015 and 2016.
(4) Average sales in Chennai from 2012 to 2016
(5) In 2016, how many “Air Coolers” are sold in Chennai compared to Coimbatore?

List some advantages of using template.