J2ME Interview Questions and Answers
Question - 11 : - What Is Cvm ?
Answer - 11 : - The Compact Virtual Machine (CVM) is an optimized Java virtual machine1 (JVM) that is used by the CDC.
Question - 12 : - What Is Deck ?
Answer - 12 : - A deck is a collection of one or more WML cards that can be downloaded, to a mobile phone, as a single entity.
Question - 13 : - What Is Edge ?
Answer - 13 : - Enhanced Data GSM Environment (EDGE) is a new, faster version of GSM. EDGE is designed to support transfer rates up to 384Kbps and enable the delivery of video and other high-bandwidth applications. EDGE is the result of a joint effort between TDMA operators, vendors and carriers and the GSM Alliance.
Question - 14 : - What Is Etsi ?
Answer - 14 : - The European Telecommunications Standards Institute (ETSI) is a non-profit organization that establishes telecommunications standards for Europe.
Question - 15 : - What Is Fdma ?
Answer - 15 : - Frequency-division multiple-access (FDMA) is a mechanism for sharing a radio frequency band among multiple users by dividing it into a number of smaller bands.
Question - 16 : - What Is Foundation Profile ?
Answer - 16 : - The Foundation Profile is a J2ME profile specification that builds on CDC. It adds additional classes and interfaces to the CDC APIs but does not go so far as to specify user interface APIs, persistent storage, or application life cycle. Other J2ME profiles build on the CDC/Foundation combination: for example, the Personal Profile and the RMI Profile both build on the Foundation Profile.
Question - 17 : - What Is Generic Connection Framework ?
Answer - 17 : - The Generic Connection Framework (GCF) makes it easy for wireless devices to make network connections. It is part of CLDC and CDC and resides in the javax.microedition.io package.
Question - 18 : - What Is Gprs ?
Answer - 18 : - The General Packet Radio System (GPRS) is the next generation of GSM. It will be the basis of 3G networks in Europe and elsewhere.
Question - 19 : - What Is Gsm ?
Answer - 19 : - The Global System for Mobile Communications (GSM) is a wireless network system that is widely used in Europe, Asia, and Australia. GSM is used at three different frequencies: GSM900 and GSM1800 are used in Europe, Asia, and Australia, while GSM1900 is deployed in North America and other parts of the world.
Question - 20 : - What Is Hlr ?
Answer - 20 : - The Home Location Register (HLR) is a database for permanent storage of subscriber data and service profiles.