SET - 4

Series: GBM/1 Code No.

90/1

Candidates must write the Code on

the title page of the answer-book.

Roll No.

• Please check that this question paper contains 11 printed pages.
• Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.
• Please check that this question paper contains 7 questions.

<math>\bullet</math> Please write down the Serial Number of the question before attempting it.

• 15 minutes time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

INFORMATICS PRACTICES

Time allowed: 3 hours ]

[ Maximum Marks : 70

General Instructions:

(i) All questions are compulsory.

1. Answer the questions after carefully reading the text.
2. (a) How do Computer networks reduce hardware costs of an organization? Explain with the help of example. 2
3. Compare BUS topology with STAR topology. Give example. 2
4. (i) Why is a switch called an intelligent hub? 2
5. When is a repeater used in a computer network?
6. Expand following term: 2
7. OSS
8. HTTP
9. Explain the term Firewall and Cyber Law. 2

1 90/1 [P.T.O.

1. (a) Write the value that will be assigned to variable C after executing the following statement:

1 <math>C = 25-5*4/2-10+4;</math> 1

1. Consider the statement:

first_name = "Ayana";

1. What is the datatype of first_name?
2. Is 325 the same as "321"? Give reason.
3. Radhika changed the "Text" property of a Checkbox named jCheckBox1 to "Reading". What change (if any) will be reflected in its name property?

1

1. Ariya has typed the following comments. Write the comments using another way.

1 //This is a comment spreading

//over two lines

1. Given below is HTML code. Rewrite the correct code underlining all the corrections done.

2 <o1 type = "A" start="D"> Bake in oven for an hour Remove from oven Serve 2

1. Explain the meaning of the following statement with the help of example.

"Tags are not predefined in XML"

1. Name two properties and two methods that are common in jTextField and jLabel.

2 2 90/1