Questions

Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.

The main purpose in measuring the effectiveness of any advertising campaigns is to evaluate its effect on the sales and also brand recall factor. The mathematical equation for measuring the effectiveness of an advertising campaign is:

Advertising campaign effectiveness = Revenue + Return on investment (ROI)

There are various ways to measure the effectiveness of advertising campaigns:

         - Conducting a survey after the campaign ends

         - Proportionate increase in the sales of that particular product/service

         - More customers calling to a toll-free and prescribed lines

         - Redemption of coupons and vouchers

         - Increased footfalls in the store to purchase product/service

         - Increased click on the company’s website  

In a computer, the area where the data is stored for the quick access by the computer's processor is called Main storage or Primary storage or Memory or RAM.

Hence, main storage is also called Memory.