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ASSIGNMENT
Course Code : MS – 54
Course Title : Management Information Systems
Assignment Code : MS-54/TMA/SEM – I /2016
Coverage : All Blocks
Note : Attempt all the questions and submit this assignment on or before 30th April, 2016 to the coordinator of your study centre.
Question.1. Define structured and unstructured decisions. Discuss the rational individual models of decision making. What are the implications of these models to information system analysts?
Answer:Decisions can vary from structured to unstructured.
They can be differentiated in that structured decisions have a well defined methodology for finding a solution and have the data to reach a decisions. They are usually straight forward and made on a regular basis.An example of a structured decision in my company is whether or not to withdraw funds from an international account depending on the current exchange rate.
Unstructured decision rely on knowledge and/or expertise and often require data and models to solve.An example of an unstructured decision in my company is what types of new content should be created and what market should be targeted.
Question.2. How much importance should be accorded to implementation phase as part of the total MIS development activity? Explain. Briefly discuss the various implementation strategies. Under what circumstances are they suitable?
Answer:Information is a set of classified and interpreted data used in decision making. It has also been defined as ‘some tangible or intangible entity which serves to reduce uncertainty about future state or events’ (Lucas, 1978). A management information system (MIS) is ‘an integrated user-machine system for providing information to support operations, management and decision making functions in an organization. The system utilizes computers, manual procedures, models for analysis, planning, control and decision making, and a database’ (Davis and Olson, 1984). MIS facilitates managerial functioning. Management information
Question.3. What are the various kinds of network topologies? Describe the types of switching available in networks and describe the various applications to which networks can be put.
Answer:The way in which the connections are made is called the topology of the computer network. Now I am discussing about network topology, Network topology specifically refers to the physical layout of the network, especially the locations of the computers and how the cable is run between them.
Four most common topologies are:
Bus Topology:All the devices on a bus topology are connected by one single cable. When one computer sends a signal up the wire, all the computers on
Question.4. Outline the basic sequence of steps to acquiring a DMBS. What steps are the most important? Why should an organization be careful about placing over reliance on “benchmark” tests in selecting a DBMS?
Answer:DBMS has to be persistent. Accessible when the program created the data ceases to exist or even the application that created the data restarted. It has to provide some uniform methods independent of a specific application for accessing the information that is stored.DBMS does not impose any constraints or security with regard to data manipulation. DBMS are for smaller organizations with small amount of data, where security not major concern.
Database is a collection of related data and data is a collection of facts and figures that can be processed to produce information.
Mostly data represents recordable facts. Data aids in
Question.5. Write a detailed note on “the impact of computerization on our living style”.
Answer:Almost a century ago, a large number of inventions took place during the first industrial revolution. Within a short span of time, many countries became industrialized. Now we are in the beginning of another industrial revolution. The major cause of the second industrial revolution is the invention of computers. Computer is the most versatile machine humans have ever created. It plays an important role in our everyday life. It covers huge area of application including education, industries, government, medicine, and scientific research, law and even music and arts. Without computers, life wound certainly be difficult and different.
Uses of Computer in Science and field: Scientists use computers to develop theories, collect, analyze and test the data, and exchange of information
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