mit401 smu msc it fall 2016 IVth sem solved assignments

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PROGRAM

Master of Science in Information Technology(MSc IT)

SEMESTER

FOURTH

SUBJECT CODE & NAME

MIT401– Data Warehousing and Data Mining

Qus:1 Define data warehouse. Differentiate between OLTP and data warehouse.

Answer: Data Warehouses and Data Warehouse applications are designed primarily to support executives, senior managers, and business analysts in making complex business decisions. Data Warehouse applications provide the business community with access to accurate consolidated information from various internal and external sources. The goal of using a Data Warehouses to have an efficient way of managing information and analyzing data. Now day’s

Qus:2 What is schema? List the name of data warehouse schemas and explain Snowflake schema.

Answer: A schema is a collection of database objects, including tables, views, indexes, and synonyms. There are three schemas existed to define Data Warehouse,

 Star Schema

 Snowflake Schema

 Fact-

Qus:3 What is Metadata? Explain technical and operational metadata.

Answer: Since the early 1990s, data warehouses have been at the forefront of information technology applications as a way for organizations to effectively use digital information for business planning and decision-making. Data warehouses are computer based information

Qus:4 Explain data mining and knowledge discovery process.

Answer: Data Mining is not specific to any industry – it requires intelligent technologies and the willingness to explore the possibility of hidden knowledge that resides in the data. Data Mining is also referred to

Qus:5 Briefly describe K-means method for clustering. List its advantages and drawbacks.

Answer: K-means (Mac Queen, 1967) is one of the simplest unsupervised learning algorithms that solve the well-known clustering problem. The procedure follows a simple and easy way to classify a given data set through a certain number of clusters (assume k clusters) fixed a priori. The main idea is to define k cancroids, one for each cluster.

The basic step of k-means clustering is simple. In the beginning, we determine number of cluster K and we

Qus: 6 Explain how Data Mining is useful for following:

(a) Targeted marketing.

(b) Telecommunications.

Answer: (a) Targeted marketing.

Insurance and direct mail are two industries that rely on data analysis to make profitable business decisions. For example, insurers must be able to accurately assess the risks posed by their policyholders to set insurance premiums at competitive levels. For example, overcharging low

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mb0044 smu mba fall 2016 IInd sem solved assignments

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DRIVE - fall 2016

PROGRAM - MBA

SEMESTER - II

SUBJECT CODE & NAME - MB 0044 - PRODUCTION AND OPERATION MANAGEMENT

BK ID - B1627

CREDIT & MARKS - 4 CREDITS, 60 MARKS

Q1. 1

Write Short notes on

a. Material control and material handling

b. Labour Productivity

c. Personnel Productivity

d. Strategic decision making

(a. Material control and material handling

b. Labour Productivity

c. Personnel Productivity

d. Strategic decision making)

Answer:

Material control and material handling:

Material control is a management function whereby procurement, storage, and issuance of the storage material for purposes of manufacturing the products or consumption are conducted. Typically, material control involves:

·         Formulating

Q2. What do you mean by Operation Strategy? Explain various elements or components of Operations Strategy. 4, 6

Ans: Operations Strategy:

Operations strategy is defined as the set of decisions that are warranted in the operational processes in order to support the competitive strategies of the business. The objectives stated above will give the firm

Q3. Describe following dimensions of quality with appropriate examples. 10

a.    Quality of design

b.    Conformance to design

c.    Utilisation conditions

d.    After sales service

Ans: Dimensions of quality: Quality is inherent in the product or service that is rendered to the customer. Since we are

Q4. Discuss the importance of Plant Location. Point out various factors Influencing Plant Location. 2, 8

Ans: Importance of Plant Location: A plant location cannot be changed frequently since a large capital needs to be invested to build the plant and machinery in the selected area. Therefore, before selecting a plant location, a long range forecasting is to be made to foresee the future needs of

Q5. Explain the risk management and its various components. ( Definition of risk management and what it entails, Four components of risk management) 4, 6

Ans: Risk Management: Risks are those events or conditions that may occur and whose occurrence has a

Q6. Why redesign of layouts may be necessary? List the differences between product and process layout. ( Reasons  why  resdesigning  of  existing  layout  is required, Listing of any five differences) 5, 5

Ans: Redesigning of a layout: There are several reasons as to why a redesigning of an existing layout may be required. These are as follows:

·         Building not suited for requirements

·         Product design or process changes made without making necessary changes in the layout

·         Installation

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bca5010 smu bca fall 2016 Vth sem solved assignments

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Fall 2016

BCA5010- WEB DESIGN

Qus:1 Define the term internet. Write short notes on history of internet.

Ans:

Internet:

Connecting all system in world called internet. It is a network of network that consists of millions of private, public, academic, business and government networks, of local to global scope, that are linked by

Qus: 2 briefly explain any 10 structure tags of HTML document.

Ans:

Structure tags of HTML document:

Each web page begins and ends with a special command: <HTML> and the ending </HTML>. These commands tell the browser that everything in-between is the web page. Inside the web page, there are two basic parts: the HEAD and the BODY.

Qus: 3 Describe Class Based IP Address.

An:

Class Based IP Address:

There are five classes of IP addresses.

Qus: 4 List the advantages of DHTML.

Ans:

Advantages of DHTML:

1. Supported by all browsers: DHTML is supported in every major browser, including Opera, Safari, Internet Explorer, and Firefox.

2. Open standards: You can create your pages according to the standardized technologies of DHTML and you can

Qus:5 What are the loop types available in PHP? Explain each of them with the syntax.

Ans:

Loop types available in PHP:

Loops are used to execute same block of code repeatedly. There are mainly four loops. They are,

·         For

·         While

·         Do…while

·         For each

a) The for loop statement

For loop is an entry controlled loop. First it will check the condition and after that it will execute the block statemen

Qus:6 a) How do you use JavaScript within a HTML file?

b) Classify the different JavaScript data types

Ans:

a) How do you use JavaScript within a HTML file:

JavaScript can be used in different ways within an HTML file.

1.      Header scripts: JavaScript is embedded between <SCRIPT> tags within the <HEAD> tag and is used for initializing variables and or create functions that can be called from anywhere of the

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