BT0087, WML and WAP Programming Theory

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ASSIGNMENT

PROGRAM	BSc
SEMESTER	V
SUBJECT CODE & NAME	BT0087, WML and WAP Programming Theory
CREDIT	4
BK ID	BT0087
MAX.MARKS	60

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

Q.1 Explain doctype declaration and line breaking in WML with examples.

Answer:- All WML documents must have the DOCTYPE declaration. It should be placed between the XML declaration and the <wml> element. Below is the DOCTYPE declaration for WML 1.3. You can simply copy and paste it into your WML files

The DOCTYPE declaration specifies the name of the DTD (

Q. 2. Describe the various data types available in WML script.

Answer:Like JavaScript, WMLScript is weakly typed. WMLScript has only one type of variable, which is var. However, WMLScript variables are actually handled as five primitive data types internally. A variable can be used to store a value of any of the five primitive data types. The data types supported in WMLScript are:

Q. 3. Briefly explain the WML external functions with an example.

Answer:In WMLScript, all code must be encapsulated in functions. This is different from JavaScript in which a web developer can choose whether to place the code in functions or directly in the markup. A function in WMLScript is defined using the following format. The parts enclosed inside brackets [] are optional.

[extern] function function_name([argument1,

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