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Difference
between Star Network and Ring Network: there are various topology for arrangement
of network components like Star, Bus, Ring etc.
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Star Network
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Ring Network
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1
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In this
computers and components are connected in star form.
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In this
computer and components are connected in a Ring Form.
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2
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In this it is
easy to add and remove
Node
(computers) in the network
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It is little
difficult to add and remove node (computers) from network.
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3
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If one node
fail network will not come to halt.
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If one node
fails the entire network will come to halt.
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4
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It cost more.
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It cost less.
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5
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It is more in
use and more reliable even for big size network.
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It not used only for small network.
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6
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It require a
central device (Hub or
Swatches) for
connecting computers.
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It does not
require any special device for connecting computer.
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SN
|
Difference
between Star Network and Bus Network: There are various topology for arrangement
of network components like Star, Bus, Ring etc.
|
|
|
|
Star Network
|
Bus Network
|
|
1
|
In this
computers and components are connected in star form.
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In this
computer and components are connected in straight form on a cable
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|
2
|
In this it is
easy to add and remove
Node
(computers) in the network
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It is little
difficult to add and remove node (computers) from network.
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|
3
|
If one node
fail network will not come to halt.
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If one node
fails the entire network will come to halt.
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4
|
It cost more.
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It cost less
and simple to understand
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5
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It is more in
use and more reliable even for big size network.
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It not used
presently, not reliable and use for only small network.
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6
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It require a
central device (Hub or
Swatches) for
connecting computers.
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It does not
require any special device for connecting computer.
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SN
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Difference
between Decision Support System and Expert System: There are various types of
information system which help organization for managing their business
application by using computer. Like Transaction Processing System
(TPS), Management Information System (MIS), Decision Support System (DSS) and
Expert System (ES) etc.
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Decision Support System
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Expert System
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1
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This is
Business Information System normally used by Manager.
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This is
Business Information System normally used by Managers as well as end users.
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2
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This is used
for solution of semi structured problems.
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This is used
for unstructured as well as semi structured problem.
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3
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These provide
the solution on basis of operational database, knowledge of managers etc.
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Expert System
act as a Expert for any particular problem
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4
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DSS are easy to
develop.
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Expert Systems
are difficult to develop.
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5
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DSS are
extensively used in industry for decision making process.
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Expert system
relatively has low existence in industry.
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SN
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Difference
between Network Database Structure and Relational Database Structure: There are three (Hierarchical,
Network and Relational) approaches for organizing records and their
relationships logically in databases. These approaches are known as database
structures.
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Network Database Structure
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Relational Database Structure
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1
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This structure
is not as flexible as Relational structure is.
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This is most
flexible structure for representing data relationships.
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2
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DBMS based on
Network structure are no more in used.
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Most of the
DBMS in market are based on relational structure and known as RDBMS.
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3
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In this
relationships between records are represented in a graph manner.
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In this
relationships between records are represented in table form.
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4
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Database based
on this structure was not efficient in terms of data access, storage etc.
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Database based
on this structure are very efficient in terms of data access and storage etc.
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