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JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY

University Examinations 2012/2013

YEAR TWO YEAR TWO EXAMINATION FOR THE DEGREE OF BUSINESS INFORMATION TECHNOLOGY (BBI)

BBT 2101 : APPLICATION PROGRAMMING FOR THE INTERNET

DATE: DECEMBER 2012 TIME: 2 HOURS

INSTRUCTIONS: ANSWER QUESTION ONE AND ANY OTHER TWO QUESTIONS

QUESTION ONE

a) Define the following terms [6 marks] (i)Browser (ii)Webpage (iii)www (iv)HTTP

b) List and explain the HTML elements [8 marks] c) State three benefits and three drawbacks of creating web-based application as CGI program [6 marks] d) Outline three differences between java script language and Ub script language [6 marks] e) Define XML and describe the syntax of a well formed XLM documents[4 marks]

QUESTION TWO

a) Describe four major applications of java script language b) What is CGI and show its role in web development [4 marks] c) Create a simple CGI program to develop a message “welcome to perl CGI programming” on a web browser [5 marks] d) Why is Java script referred to as object based programming language? [3 marks]

QUESTION THREE

a) Explain the steps that take place when the client makes a request for a web page on the internet [5 marks] b) Briefly outline three factors to consider when designing a website c) Briefly explain the three basic parts of a HTML document [3 marks] d) Describe the concept of client/server paradigm [3 marks] e) Outline five challenges faced by developers when developing web-based application for the internet [5 marks]

QUESTION FOUR

a) Write a Java script function that passes two parameters and compute their products [4 marks] b) Calculate the function you have defined in (a) above and call it an HTML document to compute the product of any two integer values. c) Differentiate the following as used in web development (i)Server side and client side (ii)Java script and Java programming languages (iii)Web server and Host (iv)Popup and cookies

QUESTION FIVE

a) Define the following terms as used in application programming [8 marks] (i)web service (ii)HTTP (iii)SOAP (iv)UDDI b) The URL is used frequently on the web to locate resources. The structure of the URL may be either of the following: *http://server:port/path#fragment *http://server:port/path? Search Discuss the parts that constitute to the URL. [6 marks]