Page 102 - 2502_Pakistan-kifayat_C-7

b. Salma is shopping on an online shopping website that offers a discount to customers who can solve
a binary-to-decimal conversion puzzle. The website displays "1111" as the discount percentage in
binary. Help Salma solve this puzzle and determine the discount percentage.

21 st
DIY In The Lab Century #Technology Literacy
Skills
To
Subject Binary Operations

Visit your computer lab and perform the following actions:
Find out the size of RAM of your computer and convert this decimal number into binary number.
Open any folder which contains word, PowerPoint or image files and note down their sizes. Now
convert them into binary number.

For The Teacher
Talk to the students about the importance of number systems and their uses in computers.
Do a detailed walk-through of the decimal and binary number systems and their different operations in a
mathematically rigorous manner.

100 Premium Edition-VII