Page 328 - Web Applications (803) Class 12
P. 328
v. Which of the following program over the web runs sound card? 1
(a) midi file (b) presentation
(c) html (d) image
vi. .cgm ( Computer Graphic Metafile) is an example of ................................ graphic.( Raster/ Vector) 1
vii. Free Video Coding is an online service which helps us to create a ................................ .
(a) image files (b) web video player
(c) movies (d) movie editor
Q 4. Answer any 5 out of the given 6 questions. (1 × 5 = 5 marks)
i. What is WHAM? 1
ii. An IFF is a ................................ file playable on Pentium computers. 1
(a) video (b) sound
(c) image (d) animated
iii. JavaScript was developed in 1995 by ................................ . 1
(a) Microsoft (b) Brendan Eich
(c) Mark Zuckerberg (d) Larry Page
iv. Consider the JavaScript code given below and write necessary code to alert the browser that the code following this is
in JavaScript. 1
<script type=................................ src=”simples.js”></script>
v. Give a statement in JavaScript to declare a float variable ‘percent’ and initialize if with value 74.75. 1
vi. Write an expression in JavaScript to display “Good Morning “Message” using console object. 1
Q 5. Answer any 5 out of the given 6 questions. (1 × 5 = 5 marks)
i. Select the option that shows correct value for content of array a after execution of the JavaScript code snippet given
below: 1
var a= [“Pen”, “Eraser”, “Ruler”, “Sharpener”]
a[4]=”Pencil”
(a) [“Pen”, “Eraser”, “Ruler”, “Pencil”]
(b) [“Pen”, “Eraser”, “Ruler” , “Pencil”, “Sharpener”]
(c) [“Pen”, “Eraser”, “Ruler” , “Sharpener” , “Pencil”]
(d) [“Pen”, “Eraser”, “Ruler”, “Sharpener”]
ii. How many times will the following loop run 1
for(c = 1; c < 20; c=c+5) {
document.write(“C : “ + c );
document.write(“<br />”);
}
iii. To import scripts from external JavaScript files, save the code in a text file with the .js extension without the
................................ and comments. 1
(a) filename (b) javascript code
(c) script tags (d) images
iv. Consider the following JavaScript code and predict the output: 1
<html> <body>
<p id=”demo”></p>
<script>
326 Touchpad Web Applications-XII

