full form Of SIM, who invented the SIM.

 

What is a SIM & full form Of SIM, who invented the SIM.

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Sim full form - What is the full form of Sim? What is the full form of Sim What is Sim  What is the history of Sim Sim usage  Sim Size  other important questions  Who invented Sim?

What is the full form of SIM?

The full form of SIM is Subscriber Identity Module or Subscriber Identification Module and the full form of SIM in Hindi is Consumer Identification Module . A SIM is a type of portable chip and built-in circuitry that stores national and international mobile subscriber identities (IMSI) in a robust, secure manner. It is a smart memory card that enables us to set up a phone call around the world where the user's contact networkremains stable.

 It is of two types - GSM and CDMA.

GSM - We can use it by putting it in any mobile phone.

CDMA - We can use this in only one mobile like Reliance's SIM supports CDMA network. It cannot be used in any other other than in Reliance mobile phone.

What is Sim? SIMs are commonly used on smartphone operated and controlled GSM networks. It is movable and can be used by the user with any mobile device that supports it.

What is SIM?

A SIM is a very small integration chip in which the personal data of the user is secured and it is used to talk to someone, send a message to someone or use the Internet.

What is the history of SIM?

Currently the most used technology is the small chip used in mobile phones, which means "SIM" in Hindi . Its importance is very much in today's era. One needs it all the time. The first SIM card was introduced in 1991 by Devrient and Munich smart-card maker Giesecke. SIM was initially recognized and announced by the European Telecommunications Standards Institute.

SIM usage

A SIM card stores a lot of information and also provides the necessary pieces of data for a network of customers. Apart from this, some of their personal and personal data is also stored.  The list of information stored by the SIM is shown below.

• Address details

• Text messages

• Personal security keys

• Phone number

• Data regarding network authorization.

• Other data.

Some of the important data carried by the SIM are listed below.

• IMSI (International Mobile Subscriber Identity)

• Unique serial number

• Security information

• Brief details related to the local network.

SIM Size

For your information, let us tell you that the SIM was first made almost the size of a credit card, but later it was revealed and over time the size of the SIM was reduced to 15 mm by 12 mm capacity. Some smartphones now use nano and micro-SIM chips of varying sizes. These can now be set depending on the mobile phone.

Other important questions - 

Question - Who invented SIM? 

• It was founded in 1991 by the German company Giesecke & Devrient.

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