DOS or Disk Operating Systems are operating systems that were most commonly found the IBM PCs and were popular between 1981 and 1995. Windows is a range of graphical interface operating systems that are...

The mobile phones are thus named because above all they are mobile. They can be carried anywhere and used anywhere. However, the mobile phones have another name, that is, the cell phones. The name cell phone...

Delusion is a condition where a person holds on to a belief even if strong evidence suggests otherwise. Hallucinations are perceptions that take place in the absence of a stimulus. They are perceptions that...

Cialis and Viagra work the same way and are used to primarily treat erectile dysfunction; however they differ in dosage, price, how long it takes to start its effects and how long it lasts. While, Viagra has...

Maybe is an adverb. It can be placed at the beginning, middle or the end of a sentence. It has the same meaning as the word ‘perhaps’ or 'possibly'. It is mainly used to indicate that something is...