Sunday, July 26, 2015

The advantages and disadvantages of Microsoft Excel

Advantages of Microsoft Excel

Microsoft Excel
Microsoft Excel

You have to know that using the spread sheet on Excel allows you to insert a vast amount of data , including numbers via the equations in a simplified , effective , and fast way , Excel is portable , You can send it to someone through email , It allows you to insert the data not only numerically or a spreadsheet but also in an easy read and understandable manner by allowing you to insert the charts and the graphs .

Thursday, July 2, 2015

The importance and limitation of noise-cancelling headphones

Noise-cancelling headphones advantages

Noise-cancelling headphones
Noise-cancelling headphones for travelling .
It is very important to know that noise-cancelling headphones reduce the background sounds such as the roar of an airplane engine , the rumble of a train and highway noise , They do this by producing an anti noise sound wave that interferes with , and they cancel out unwanted background noise .