SIM (Subscriber Identity Module) is a memory chip used in mobile phones. The term SIM is used to denote a 2G application. USIM (Universal Subscriber Identity Module) card is also a SIM card for 3G services....

SIM (standard) and Micro SIM are the same in terms of functionality. The only difference between the two is regarding their size. A micro SIM is nearly 52 percent smaller than the standard SIM.

BBM or Blackberry Messenger is a proprietary Internet based instant messenger as well as a video telephone application developed by BlackBerry Limited. WhatsApp Messenger is also a proprietary instant...

Blower and Heater are two different types of electrical devices. A blower refers to any device that blows air, whereas a heater refers to any device that creates heat as its main function.

Original DVD’s are genuine and authorized DVDs. On the other hand, pirated DVDs refer to the DVDs that have been produced illegally without authorization or rights for reproduction. Pirated DVDs are cheaper...