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<=KNEC Diploma in ICT Module III: Internet Based Programming past paper November 2015
Write a JavaScript program embedded in HTML that prompts a user to enter two values one at a time. The program should then use a function to determine the product of the two numbers and display the result on a web browser in the format M x N= product.
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Questions List:
1. A teacher in a college prefers students to develop websites by writing HTML codes from scratch instead of using code generated applications. Outline four possible reasons for this
2. Explain the term cache as used in a web browser
3. Other than the <script > tag, outline three tags that can be added to the head section of an HTML document
4. State a circumstance under which each of the following image attributes could be used in HTML: I. Scroll II. Repeat
5. With aid of an example in each case, distinguish between a link and a universal resource locator as used in internet
6. State two differences between dynamic and static web page as used in the internet
7. Outline two advantages of using static web pages
8. Outline the steps followed to view the source code of a page displayed on a web browser
9. With the aid of an example, explain how a reserved character in HTML could be displayed on a webpage.
10. Ann, a web designer, would like to include images on a website she is creating. (i) List four of the image file format that she is likely to use. (2 marks) (ii) Outline three factors that she would consider when placing images on the webpage
11. Outline the function of each of the following parts of a web authoring tool interface. (4 marks) (i) Properties inspector; (ii) Tag selector (iii) Document window; (iv) Site panel
12. Peter runs a non-governmental organization and he is required to use a website to solicit for financial assistance. Explain three factors that he should consider when selecting server to host website.
13. Explain the term Home page as used in the internet
14. Distinguish between absolute URL path and relative URL path as used in HTML
15. Write HTML segment code that may be used to: (i) Play music in a file named mysong.mp3 locate in a site www.worldmusic when the text mymusic is clicked; (2 marks) (ii) Point the location where the image named “logo.gif”, located in the “image” directory on “ www.knec.ac.ke” (2 marks) (iii) load a page named music.html in the directory above the music directory. (2 marks)
16. Given that the variable aNum holds a value 4. Determine the value of y and aNum++ after each of the following statement is executed in a JavaScript program: (2 marks) I. var y=aNum++ II. var y=++aNum
17. Write a JavaScript program embedded in HTML that prompts a user to enter two values one at a time. The program should then use a function to determine the product of the two numbers and display the result on a web browser in the format M x N= product.
18. Outline the functions of the following HTML tags (i) <a> (ii) <var> (iii) <sup>
19. figure 1 shows commands button labelled (i), (ii) and (iii) on a web authoring tool. Write the tags that would be generated on the code window when each button is clicked
20. Explain the importance of considering each of the following factors when designing a website: (i) the target audience; (ii) font size. (iii) Domain name (iv) Navigation
21. Write a HTML code that would display the following form when run on a web browser
22. State four types of a video file format that may be used to display a video on the web
23. Some web developers believe that the best approach to create HTML code is to use text editor instead of visual approach. Explain three reasons for this
24. State four system requirements necessary when installing a graphical web authoring application in a computer
25. Write HTML code that would generate the following table when run on a web browser
26. Describe each of the following threats to data in internet. (i) Denial of services (ii) Social engineering (iii) SQL injection
27. Explain three benefits of using templates to design a website
28. Write JavaScript program embedded in HTML that would be used to display the message on a web based on a web browser on the system time as shown in table 1.
1. A teacher in a college prefers students to develop websites by writing HTML codes from scratch instead of using code generated applications. Outline four possible reasons for this
2. Explain the term cache as used in a web browser
3. Other than the <script > tag, outline three tags that can be added to the head section of an HTML document
4. State a circumstance under which each of the following image attributes could be used in HTML: I. Scroll II. Repeat
5. With aid of an example in each case, distinguish between a link and a universal resource locator as used in internet
6. State two differences between dynamic and static web page as used in the internet
7. Outline two advantages of using static web pages
8. Outline the steps followed to view the source code of a page displayed on a web browser
9. With the aid of an example, explain how a reserved character in HTML could be displayed on a webpage.
10. Ann, a web designer, would like to include images on a website she is creating. (i) List four of the image file format that she is likely to use. (2 marks) (ii) Outline three factors that she would consider when placing images on the webpage
11. Outline the function of each of the following parts of a web authoring tool interface. (4 marks) (i) Properties inspector; (ii) Tag selector (iii) Document window; (iv) Site panel
12. Peter runs a non-governmental organization and he is required to use a website to solicit for financial assistance. Explain three factors that he should consider when selecting server to host website.
13. Explain the term Home page as used in the internet
14. Distinguish between absolute URL path and relative URL path as used in HTML
15. Write HTML segment code that may be used to: (i) Play music in a file named mysong.mp3 locate in a site www.worldmusic when the text mymusic is clicked; (2 marks) (ii) Point the location where the image named “logo.gif”, located in the “image” directory on “ www.knec.ac.ke” (2 marks) (iii) load a page named music.html in the directory above the music directory. (2 marks)
16. Given that the variable aNum holds a value 4. Determine the value of y and aNum++ after each of the following statement is executed in a JavaScript program: (2 marks) I. var y=aNum++ II. var y=++aNum
17. Write a JavaScript program embedded in HTML that prompts a user to enter two values one at a time. The program should then use a function to determine the product of the two numbers and display the result on a web browser in the format M x N= product.
18. Outline the functions of the following HTML tags (i) <a> (ii) <var> (iii) <sup>
19. figure 1 shows commands button labelled (i), (ii) and (iii) on a web authoring tool. Write the tags that would be generated on the code window when each button is clicked
20. Explain the importance of considering each of the following factors when designing a website: (i) the target audience; (ii) font size. (iii) Domain name (iv) Navigation
21. Write a HTML code that would display the following form when run on a web browser
22. State four types of a video file format that may be used to display a video on the web
23. Some web developers believe that the best approach to create HTML code is to use text editor instead of visual approach. Explain three reasons for this
24. State four system requirements necessary when installing a graphical web authoring application in a computer
25. Write HTML code that would generate the following table when run on a web browser
26. Describe each of the following threats to data in internet. (i) Denial of services (ii) Social engineering (iii) SQL injection
27. Explain three benefits of using templates to design a website
28. Write JavaScript program embedded in HTML that would be used to display the message on a web based on a web browser on the system time as shown in table 1.
