J2me interview question

Question: What is SIM in mobile application?

Answer: SIM stands Subscriber Identity Module (SIM). SIM is a stripped-down smart card containing information about the identity of a mobile-phone subscriber, and subscriber authentication and service information. Because the Subscriber identity module uniquely identifies the subscriber and is portable among handsets, the user can move it from one kind of mobile phone to another, facilitating international roaming.
Question: What is definition of SMS? 

Answer: SMS stands Short Message Service (SMS). SMS is a point-to-point service similar to paging for sending text messages and multimedia message of up to 160 characters to mobile phones, it is very important for send small information from one place to another.
Question: What are the uses of T9 in mobile application?

J2me interview questions

Question: Tell me about j2me?

Answer: j2me is a java2 micro edition, group of specification and technologies that use to java on small devices like mobile device it covers mobile device and pagers through a set top boxes and car navigation systems. J2me describe a java environment for a specific class of device according to divide j2me in configuration and profiles.

Question: tell me very shortly what is AMPS?

Answer: AMPS stands for advance mobile phone services that is a first generation analog, circuit switched cellular phone network.

Question: What is CDMA?

j2me interview question

Question – Can you explain What is API?

Answer – Yes I can explain, An Application Programming Interface (API) is a set of classes that you can use in your own application.we can called
libraries or modules, APIs enable you to write an application without reinventing common pieces of code. Here you can see example, a
networking API is something your application can use to make network connections, without your ever having to understand the
underlying code this is the example of API.

Question - Do you know about 3GPP?

Answer - Yes, I know about 3rd Generation Partnership Project (3GPP), The 3rd Generation Partnership Project (3GPP)  is a global collaboration between following partners which is describe here: CWTS, ARIB,  T1, ETSI, TTA, and
TTC. The main aims of 3rd Generation Partnership Project (3GPP) to develop a globally accepted 3rd-generation mobile system based on GSM(Global System for Mobile Communications).

Question - Do you know about 802.11 ?

Answer – Yes, I know, 802.11 is a group of specifications for wireless networks developed by the Institute of Electrical and Electronics Engineers(IEEE) the main feature that 802.11 uses the Ethernet protocol,  CSMA/CA (carrier sense multiple access with collision avoidance) for path sharing.

Question - Do you know about 3G?

Answer – Yes, I know about Third generation (3G),  Third generation (3G) wireless networks will offer faster data transfer rates than current networks. The first generation of
wireless (1G) was analog cellular and The second generation (2G) is digital cellular, featuring integrated voice and data
communications. So-called 2.5G networks offer incremental speed increases and latest which is 3G networks will offer dramatically improved data
transfer rates, enabling new wireless applications such as streaming media. Main feature is improver the speed in wireless applications.

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