0

What is the full form of SIM? SIM Full Form

What is the full form of SIM? – SIM Full Form – SIM Meaning

What is the full form of SIM

 

Do You know for what the abbreviations SIM stands for? No, Would you like to know “What is the full form of SIM? or SIM Full Form? If YES, then check out this post.

Here, in this post, I am going to share information about the Full form of SIM and SIM meaning in this post. Here, in this post, I also providing information about Where was SIM was invented? and How SIM Works?

So, let us move to the post detailing “SIM Full Form and SIM Meaning”.

What is the full form of SIM – SIM Full Form

  • S: Subscriber
  • I: Identity or identification
  • M: Module

The short form SIM stands for Subscriber Identity Module.

Sometimes, SIM also meant that Subscriber Identification Module.

SIM full form in Hindi:  ग्राहक पहचान मोड्यूल

Full Form of SIM – Subscriber Identity Module or Subscriber Identification Module

The full form of SIM is the Subscriber Identity Module. Basically, it is an integrated circuit which securely stores international mobile subscriber identity (IMSI). In fact, SIM is a portable memory chip which makes possible to make phone calls throughout the world, wherever the subscriber’s network is available anyway.

Generally, SIM is used in the Mobiles which operate on GSM network. SIM can be used with any supporting mobile phone

When was SIM Invented?

The SIM card was firstly made in 1991  by Munich smart card maker Giesecke and Devrient. It was initially designated by European Telecommunication Standards Institute.

When SIM was invented, it has almost of a credit card size. It was modified by the technologist from time to time. The current size of SIM is  15mm by 12mm.

Currently, smartphones support micro and nano SIM cards which have a very small size.

What does a SIM card store?

A SIM can contain some essential information through from and to your network. A SIM card also contains some of the personal data. Mainly, the following kinds of information are stored by the SIM card.

  • Phone number
  • Address book
  • Text messages
  • Network authorization data
  • Personal security keys
  • Other data

A SIM card also contains its unique serial number (ICCID), security information, ciphering information, International Mobile Subscriber Identity (IMSI), temporary information related to the local network, etc.

History of SIM

The SIM card was firstly made in 1991  by Munich smart card maker Giesecke and Devrient. It was initially designated by European Telecommunication Standards Institute.

SIM SIZE – What Size Does SIM card Have?

When SIM was invented, it has almost of a credit card size. It was modified by the technologist from time to time. The current size of SIM is  15mm by 12mm.

What is the Difference between GSM SIM and CDMA SIM?

Generally, CDMA phones don’t use SIM cards.

In CDMA phones, all the information is saved in the handset which may be less convenient for the users. CDMA SIM also not allows changing the service provider while GSM SIM do.

admin

Leave a Reply

Your email address will not be published. Required fields are marked *