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1 What is
reflective middleware? Write its advantages.
Answer: Reflective middleware is
also known as component-based middleware. A component is termed as a program
that performs a particular function and is designed in such a manner that it
can easily be
2 Define
Client/server computing. In Client/server computing, list the responsibilities
of client and server.
Answer: Client/server computing is
technology that facilitates an organisation to effectively manage its
3 Describe about
3G. What are the typical 3G standards? List few applications used on a 3G
network.
Answer: 3G, also called Tri-Band 3G,
is a set of standards which is used for mobile telecommunication services and
mobile devices related to the IMT-2000 specifications formulated by ITU. This
standard is used to offer various services on cell phones, such as video calls,
internet
4 Describe
briefly:
a) HTTP
b) CGI
c) Servlet
d) RMI
e) Socket
Answer: a) HTTP
The Hypertext Transfer Protocol (HTTP) is
a protocol for distributed, collaborative, information systems. In
5 Differentiate
between Stateful and Stateless session bean
Answer: Stateful session beans are
used where the state of the bean requires to be retained so that the same
client can use it for further method invocations. A good example of a Stateful
session bean is the shopping cart
6 Explain the
different components of the Android operating system. What are native Android
applications?
Answer: Some of the components used
to develop an Android application are as follows:
·
Activities: It is implemented when an
application has a visible user interface (UI).
·
Services: It
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