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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mca5010 smu mca fall 2016 Vth sem solved assignments

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PROGRAM-MCASEMESTER-V

SUBJECT CODE & NAME-MCA5010-WEB TECHNOLOGIES

CREDIT-4

BK ID-B1547

MAX. MARKS-60

Qus:1 Differentiate between TCP and UDP

Answer:

Differentiate between TCP and UDP:

TCP (Transmission Control Protocol):

The TCP corresponds to the transport layer of OSI reference model, The TCP is known as a connection-oriented protocol, which means that connection is established and maintained until such time as the message or messages to be exchanged by the application programs at each end have been exchanged. TCP makes sure data

Qus: 2 describe the features of XML. What are the important rules to keep in mind about the XML declaration?

Answer:

The features of XML:

XML is popular for many features and few of them are listed here:

1.      Easy Data Exchange: In XML, data and mark-up are stored as text that we can configure. If we like, we can use

Qus: 3. List and explain the Components of XML processor.

Answer.

Components of XML processor:

a) Parser:

Every XML processor has a parser. An XML parser converts an XML document into an XML DOM object –

Qus:4. Describe the procedure of fetching data from XML to HTML. Give an example.

Answer.

Procedure of fetching data from XML to HTML:

The process of fetching data from an XML files to be filled in an HTML table, using DSO (Data Source Object) and JavaScript. DSO is an object that operates like a database on the client side. It will accept information that is organized in a certain way and will manipulate it with its own database engine.

DSO allows data binding to HTML table elements. When a table element is bound there is no need to write out the code for individual

Qus:5. Describe five different categories of PHP Operators.

Answer.

Categories of PHP Operators:

In all programming languages, operators are used to manipulate or perform operations on variables and values. There are many operators used in PHP, so we have separated them into the following categories to make it easier to learn them all.

Ø  Assignment Operators

Qus:6. Describe about ASP.

Answer.

ASP:

The page on the server called by the JavaScript is an ASP file called AJAX server page. The server file could easily be rewritten in PHP, or some other server languages. Look at the example in PHP. The source code in "

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.

bt0086 smu bsc it fall 2016 Vth sem solved assignments

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Bt0086

fall 2016

1 How “wireless and mobile are two different concepts”. Explain any two applications that use wireless networks and mobile communications.

Answer: TDMA is the access method used by the Electronics Industry Alliance and the Telecommunications Industry Association for Interim Standard 54 (IS-54) and Interim Standard 136 (IS-136). Using TDMA, a narrow band that is 30 kHz wide and 6.7 milliseconds long is split time-wise into three time slots. Narrow band means channels in the traditional sense. Each

2 What is modulation? Briefly explain Amplitude Modulation (AM), Frequency Modulation (FM) & Phase modulation (PM).

Answer: Modulation

The modulation technique used on the radio channel is Gaussian Minimum Shift Keying (GMSK). GMSK belongs to a family of continuous-phase modulation procedures, which have the special advantages of a narrow transmitter power spectrum with low adjacent channel interference, on the

3 Explain the GSM TDMA frame with the help of frame structure.

Answer: There are five kinds of burst GSM TDMA frame:

Normal Burst (NB): The NB is used to transmit information on traffic and control (except RACH) channels. The individual bursts are separated from each other by guard periods during which no bits are transmitted. At the start and end of each burst are three tail bits which are always set to logical ‘0’. These bits fill a short time span during which transmitter power

4. Explain Source Coding and Speech Processing.

Answer:

Source Coding and Speech Processing

Source coding reduces redundancy in the speech signal and thus results in signal compression, which means that a significantly lower bit rate is achieved than needed by the original speech signal. The speech coder/decoder is the central part of the GSM speech processing 

5. Write short notes on Cluster-based routing protocol.

Answer:

In Cluster Based Routing protocol (CBRP) [Jiang99], the nodes are divided into clusters. To form the cluster the following algorithm is used. When a node comes up, it enters the "undecided" state, starts a timer and broadcasts a Hello message. When a cluster-head gets this hello message

6. Mention and explain different Table-Driven Routing Protocols.

Answer:

Table-driven Routing Protocols: Keeps routing tables at each node, which is updated periodically, and the routing procedure is based on this data.

One routing-table driven method is the next-hop model. In this model, each node keeps the best next-hop node

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