mit401 smu msc it winter 2016 (april/may 2017 exam) IVth sem assignment

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PROGRAM

Master of Science in Information Technology (MSc IT)Revised Fall 2011

SEMESTER

4

SUBJECT CODE & NAME

MIT401– Data Warehousing and Data Mining

Qus:1 (a)Explain the Key Issues during data warehouse construction.

(b) Differentiate between OLTP database and Data Warehouse database.

Answer: Planning for your Data Warehouse begins with a thorough consideration of the key issues. Answers to the key questions are vital for the proper planning and the successful completion of the project. Therefore, let us consider the pertinent issues, one by one.

 Values and Expectations.

Qus:2 Describe the functionalities and advantages of Data Warehouses.

Answer: A Data Warehouse provides a common data model for data, regardless of the data source. This makes it easier to report and analyze information than it would be if multiple data models from disparate sources were used to retrieve information such as sales invoices, order receipts, general ledger charges, etc.

 Prior

Qus:3 Explain how E-R modeling differs from Dimensional modeling.

Answer: E-R model represents business processes within the enterprise and serves as a blueprint for operational database system(s) whereas Dimensional Model represents subject areas within the enterprise and serves as a blueprint for analytical system(s).

The key

Qus:4 Describe the strategies for data reduction.

Answer: Data reduction techniques can be applied to obtain a reduced representation of the data set that is much smaller in volume, yet closely maintains the integrity of the original data. That is, mining on the reduced data set should be more efficient yet produce the same (or almost the same) analytical results.

Qus:5 Explain K-means method for clustering. Write its advantages and disadvantages.       

Answer: K-means (MacQueen, 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

Qus:6 Describe how Data Mining is useful in telecommunications industry?

Answer: The data mining applications in telecommunications industry, and a learning system for decision support in telecommunications case study, knowledge processing in control systems, and aircraft control case study are discussed in this section. A few scenarios where data mining may improve telecommunication services are discussed. The deregulation of the telecommunications

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bt0092 smu bsc it winter 2016 (april/may 2017 exam) VIth sem assignment

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PROGRAM

BSc IT

SEMESTER

SIXTH

SUBJECT CODE & NAME

BT0092, Software Project Management

Qus:1 Explain Hierarchical Organizational Structure.

Answer: The key features of Hierarchical Organization Structure are given below:

 It is based on the concepts of division of labor, specialization, and unity of command.

 Key decisions are made at the top and filter down through the organization.

 Middle managers do the

Qus:2 What are the factors influencing Project Management?

Answer: Project management is often summarized in a triangle. The three most important factors are time, cost and scope. These form the vertices with quality as a central theme.

1) Projects must be delivered on time.

2) Projects must be within cost.

3) Projects must be within scope.

4) Projects must

Qus:3 What are the different tasks performed in project planning?

Answer: Every project starts with initiation. In which project scope, pros and cons are discussed. Once the project initiation phase is completed, the project team, usually the project manager and the

Qus:4 Mention and explain different types of Software Testing.

Answer: Software testing consists of several subcategories, each of which is done for different purposes, and often – using different techniques. Software testing categories include:

 Functionality testing to verify the proper functionality of the software, including validation of system and business

Qus:5 Mention different Software cost estimation methods.

Answer: A number of methods have been used to estimate software costs.

Algorithimic Models

These methods provide one or more algorithms which produce a software cost estimate as a function of a number of variables which relate to some software metric (usually its size) and cost drivers.

Expert Judgement

Qus:6 Mention different features of a PERT chart.

Answer: PERT (Program Evaluation and Review Technique) is basically a method to analyze the tasks involved in completing a given project, especially the time needed to complete each task, and identifying the minimum time needed to complete the total project.

A PERT chart is represented with boxes and arrows. Each box represents an activity (ex. Design is an activity, Testing is an activity). The arrows are used to show the dependency of activities on one another. The activity at the head of the arrow cannot start until the activity at the tail of the arrow is finished. For developing his PERT chart, one must first list all the activities required for the

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bt0080 smu bsc it winter 2016 (april/may 2017 exam) IVth sem assignment

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PROGRAM

BSc IT

SEMESTER

FOURTH

SUBJECT CODE & NAME

BT0080, Fundamentals of Algorithms

Qus:1 Describe insertion sort algorithm with the help of an example. Give the complexity of it.

Answer:

Insertion sort algorithm:

The insertion sort, algorithm for sorting a list L of n numbers represented by an array A [1... n] proceeds by picking up the numbers in the array from left one by one and each newly picked up number is placed at its

Qus:2 State the concept of divide and conquer strategy with the help of an example.

Answer:

The concept of divide and conquer strategy:

Given a function to compute on n inputs, the divide-and-conquer strategy suggests splitting the inputs into K distinct subsets, 1

Ques 3 Prove the theorem

“A given connected graph G is a Euler graph  all the vertices of G are of even degree.”

Ans: Proof: Suppose G is a Euler graph. Then G contains a Euler line. So, there exists a closed walk running through all the edges of G exactly once. Let vV be a vertex of G. Now, in tracing the walk, it goes

Ques 4 Explain Adjacency and Incidence Matrix.

Ans: Definition: Let G be a graph with n vertices v1, v2, …, vn and no self-loopsand no parallel edges. We define an n n adjacency matrix A = [ ij a ]n n, as follows:

aij = 1 if vi is

Q5. State Cook’s theorem.

Prove the theorem “CNF satisfiability is polynomially transformable to the clique problem. Therefore, the clique problem is NP complete.”

Answer:

Proof:

Cook’s Theorem

Cook’s theorem states that satisfiability is in P if and only if P=NP. We now prove this important theorem. We know that satisfiability in NP. Hence, if P = NP, then satisfiability is in P. It remains to be shown that if satisfiability is in P, then P = NP. To do this, we show how to obtain from any

Ques 6 Mention different classification of problems.

Ans: The fact of being engaged in solving problems may be the only sure indication of a living entity being alive (though, the distinction between entities being alive and not being alive is getting fuzzier day by day). The problems, attempted to be solved, may be due to the need for survival in a

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mca5010 smu mca winter 2016 (april/may 2017 exam) IVth sem assignment

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PROGRAM-MCASEMESTER-V

SUBJECT CODE & NAME-MCA5010-WEB TECHNOLOGIES

CREDIT-4

BK ID-B1547

MAX. MARKS-60

Qus: 1 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 XML editors to create XML documents but if something goes wrong we can examine and modify document directly

Qus:2 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

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 - which can then be manipulated with a JavaScript. The parser's job is to translate XML mark-up and data into a stream of bite-sized nuggets, called tokens, to be used for processing. A token may be an element start tag, a

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

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

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 "getcustomer.asp" runs a query against a database, and returns the result in an HTML

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mca4010 smu mca winter 2016 (april/may 2017 exam) IVth sem assignment

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winter 2016 ASSIGNMENT

PROGRAM MCA

SEMESTER FOURTH

SUBJECT CODE & NAME MCA4010- MICROPROSESSOR

CREDIT 4 BK ID B1778 MAX. MARKS 60

Q1. Write short notes on:

a) Central Processing Unit

b) Memory Unit 5+5

Answer:

Central Processing Unit:

The central processing unit (CPU) is the electronic brain of the computer. CPU consists of Arithmetic Logic Unit (AL

2 Write short notes on:

a) Bus Interface Unit (BIU)

b) Execution Unit (EU) 5+5 10

Answer: A)

Bus Interface Unit (BIU): The BIU handles all the data and address on the buses for the execution unit (

3 Write short notes on:

a) REP Prefix

b) Table Translation 5+5 10

Answer: A)

REP Prefix

Because string operations inherently involve looping, the 8086 machine language includes a prefix that considerably simplifies the use of string primitives with loops. This prefix has the machine code

1 1 1 1 10 0 1 Z

where,

4 Describe about Key-code Data Formats and FIFO Status Word formats. 5+5 10

Answer: Key-code Data Formats:

After a valid Key closure, the key code is entered as a byte code into the FIFO RAM, in the following format, in scanned keyboard mode. The Key code format contains 3-bit contents of the internal row counter, 3-bit contents of the column counter and status of the SHIFT and CNTL Keys The data format of the

5 Write a note on

(a) RS 232 standard

 (b) IEEE 488 standard 5+5 10

Answer: A) RS232 Standard

RS232 standard is developed by the Electronic Industry Association (EIA) in 1962 and was revised and renamed as RS232C. RS stands for "recommended standard." This is a standard hardware interface used for implementing asynchronous serial data communication ports on devices such as CRT terminals, printers, modems and keyboards. RS-232 can be plugged straight into the computer’s serial port (know as COM or Comm port). RS-232 has been around as a standard for

6 Write short note on:

a) Parallel Printer Interface (LPT)

b) Universal Serial Bus (USB) 5+5 10

Answer: A)

Parallel Printer Interface (LPT)

The parallel printer interface (LPT) is located on the rear panel of the PC. The LPT stands for line printer. The Parallel Port Interface on the PC compatible computer is one of the most flexible interfaces for

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bca5010 smu bca winter 2016 (april/may 2017 exam) IVth sem assignment

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PROGRAM

BACHELOR OF COMPUTER APPLICATION

SEMESTER

5

SUBJECT CODE & NAME

BCA5010- WEB DESIGN

Qus:1 Explain the working principle of Domain Name System

Answer: The DNS is a distributed, scalable database of IP addresses and their associated names. It is distributed in the sense that unlike the hosts file, no single computer contains all the DNS information in the world. The DNS data is distributed across many name servers. All messages in the Domain Name System protocol use a single format. This format is shown in Fig. This

Qus:2 Explain the process steps of developing web site.

Answer: The creation and maintenances of website broken down into a process of steps. Following these steps will immensely help you to build a website. All the steps in website creation and maintenance required and effort, but they don’t necessary involve any technology for

Qus:3 Briefly explain the structure tags of HTML document

Answer: A markup language like HTML is simply a collection of codes/elements tags that indicate the structure and format of a web document. How do you instruct the browser to display the page the way you want it to be displayed? Tags are the mechanisms for attaining this end. The various tags that you put in the html document will serve as commands to the browser, which will

Qus:4 What are the different levels of Document Object Model?

Answer: DOM is an Application Programming Interface (API). It provides a platform where programming languages can "talk" to HTML and XML documents. Usually the programming language that does the talking by using JavaScript. The work of DOM is to represent all the attributes of

Qus:5 Explain different file system functions available in PHP.

Answer: The real power of PHP comes from its functions. In this section we will discuss about how to create and calling a PHP function and how to pass parameter in a function, Get and post function of

Qus:6 What are the different types of JavaScript Datatypes?

Answer: Java script is a programming language with direct support to object oriented methodologies. We can use JavaScript to perform a variety of functions on your website. Some of the functions are just functional, while the others are greater in nature, providing interactivity for our website visitors.

 JavaScript gives HTML

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