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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