Abhi's

Code No. 90
Candidates must write the Code on the title page of the answer-book.
Roll No.
Please check that this question paper contains 8 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.
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
Note :
(i) All questions are compulsory.
(ii) Answer the questions after carefully reading the text.
1. (a) Raj Kamal International School is planning to connect all

(b) Name any two most popularly used internet browsers. 1
(c) Ms. Rani Sen, General Manager of Global Nations Corporate recently discovered that the communication between her company’s accounts office and HR office is extremely slow and signals drop quite frequently. These offices are 125 metres away from each other and connected by an ethernet cable. 2
(i) Suggest her a device, which can be installed in between the offices for smooth communication.
(ii) What type of network is formed by having this kind of connectivity out of LAN, MAN and WAN ?
(d) Give an advantage of using Star topology over Bus topology.

(a)
To provide hyperlink to a website “http://www.cbse.nic.in”
(b) What will be the content of the jTextAreal after executing the following code (Assuming that the jTextAreal had no content before executing this code) ?

(c) Which of the following units measures the speed with which data can be transmitted from one node to another node of a network ?
Also give the expansion of the suggested unit. 2
(i) KMph
(ii) KMpl
(iii) Mbps
(d) Write Java code that takes value for a number (n) in jTextFieldl

(b)
Name, Class, Course_Id, Course_name
He needs to display names of students, who have not been assigned any stream or have been assigned Course_name that ends with “economics”.
He wrote the following command, which did not give the desired result.
SELECT Name, Class FROM Students
WHERE Course_name=NULL OR Course_name="%economics"; Help Mr. Janak to run the query by removing the error and write the correct query.
What message will be displayed after the execution of the following code ? int Age=64,Relaxation=4; int ModiAge=Age-Relaxation; if (ModiAge