What Is GSM?

GSM, or Global System for Mobile Communications, is a cellular phone protocol that is standard in most parts of the world. Technology experts created the protocol in the 1980s and ’90s to standardize cellular phone service between countries in Europe. GSM phones use subscriber identity module (SIM) cards, which is essential to their function and enable the user to change phones easily. It is a chief competitor to the Code Division Multiple Access (CDMA) protocol.TechnologyTechnically, the term GSM refers to second-generation (2G) voice networks that operate based on a combination of time division multiple access (TDMA) and frequency division multiple access (FDMA). TDMA takes the frequency channel the phone uses and divides it into individual bits of time that are assigned to each user. FDMA...

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Posted in: gsm , mobile , Technology

Vaio Logo

Do u know the hidden meaning of the Vaio logo.????Sony Vaio is a well known brand of laptops. But did you know that the name Vaio logo also had a hidden meaning? VAIO Originally an acronym of Video Audio Integrated Operation , this was amended to Visual Audio Intelligent Organizer in 2008. the first two letters represent the basic analogue signal. The last two letters look like a 1 and 0, representing the digital signal...

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differentiation formulas

Maths differentiation formulas Algebric Function Product Rule And Quotient Rule Trignomatric Function And Inverse Trignomatric Function Thanks....

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arfa-kareem-arfa-abdul-karim-randhawa

Arfa Kareem Arfa Abdul Karim Randhawa (Urdu: ارفع کریم رندهاوا‎, 2 February 1995 – 14 January 2012) was a Pakistani student and computer prodigy, who in 2004 at the age of nine years becameMicrosoft Certified Professional (MCP), the youngest in the world until 2008. She was invited by Bill Gates to visit the Microsoft Headquarters in the USA. A science park in Lahore was named after her, the Arfa Software Technology Park. Arfa Abdul Karim has represented Pakistan on various international forums, and was invited by the Pakistan Information Technology Professionals Forum...

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