Hardware Security of Computers

Computers have became one of the important factors which affect the human life of today, directly or indirectly. It is used in all the fields like research, education, entertainment etc. Many people know how to use it but unfortunately most…

December 2012: Administrator’s Words

Before reading this post, please be notified that we are not trying to bring out negative or even positive thoughts in the mentality of the readers. We can’t explain if the earth will be or will not be destructed in…

Water Pollution: A Burning Issue

Water pollution is a burning issue of today’s twenty first century. Among four different pollutions, it is also the one which is caused by the addition of unwanted materials into water and its sources. It can be defined as the…

Friction: A Type of Force

There are different types of force which are used by living beings in their day to day life. Force can be simply defined as the external agency that changes or tends to change the state of a body from rest…

December 2012: Is it really the end of the World?

As we already know, there are many rumours about the destruction and end of the whole world in December, 2012. There are no good and strong reasons behind the devastation of the earth in December? In spite of no clear…

Air Pollution: One of the problems of the World

Air pollution can be defined as the occurrence of solid waste or higher concentration of gases other than oxygen which are harmful to human beings as well as other related organisms. It is one of the most considerable and harmful…

Environmental Pollution

Environmental pollution can simply be defined as the addition of any unwanted or undesirable changes in the physical and biological characters of the environment. As a result of pollution, human life, useful organisms, living conditions, environment, ecosystem, raw materials etc.…

Some Common Computer Viruses

C (Brain) Virus: C (Brain) virus was created by Pakistani brothers Amjad and Basit Alvi in the year 1985 A.D. at Lahore. Originally, it was created and designed to prevent unauthorized use of software sold by ‘Alvis’ Brain computer shop…

Classification of Computer Viruses

As already mentioned in previous posts of this site, viruses are the major factors which help in the destruction and hacking of data and information which are stored in a computer’s memory. It is important to have a antivirus software…

Homologous Series

Homologous series is the series of organic compounds containing same functional group and their adjacent members differ by -CH2 group. The members of homologous series have similar chemical properties but different physical properties. For example: CH3-OH CH3-CH2-OH CH3-CH2-CH2-OH CH3-CH2-CH2-CH2-OH Characteristics…