CBSE Class 12 Informatics Practices Question Paper 2011 (1)

CBSE Class 12 Informatics Practices Question Paper 2011 (1). Students can download the last year question papers using the link below. Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.

Q1.(a) Ms. Taufiq Ahmed wants to prevent unauthorized access to/from his company's local area network. Write the name of a system (software/ hardware), which he should install to do the same 

(b) Beauty Lines Fashion Inc. is a fashion company with design unit and market unit 135 metres away from each other. The company recently connected their LANs using Ethernet cable to share the stock related information. But after joining their LANs, they are not able to share the information due to loss of signal in between. Which device out of the following. should you suggest to be installed for a smooth communication? 

(i) UPS

(ii) Modem

(iii) Repeater

(c) which of the following is not a feature of Networking? 

(i) Resource sharing

(ii) Uninterrupted power supply

(iii) Reduced cost

(iv) Reliability

(d) Name any two Indian scripts included in Unicode. 

(e) Mr. Jayanto Das is confused between Shareware and Open source software Mention at least two points of differences to help her understand the same. 

(f) Identify the type of Topology from the following: 

(i) If each node is connected with the help of independent cable with the help of a central switching (communication controller)

(ii) If each node is connected with the help of a single co-axial cable.

(g) Define the following with reference to Threats to Network Security. 

(i) Trojan Horse

(ii) Worm

Q2 (a) While working in Netbeans, Ms Kanta Surbhi wants to display 'Cleared' or 'Re-attempt required' message depending the marks entered in jTextField. Help her to choose more appropriate statement out of 'If statement' and 'Switch statement'. 

(b) Write a statement to make jTextArea1 as un-editable. 

(c) Which HTML tags are used for making a table and adding rows in a HTML document? 

(d) How is <UL> tag different from <OL> tag of HTML? 

(e) What will be the value of A and B after execution of the following code: 

int A = 100, B ;

for (B=10; B<=12; B++)

{

A+=B;

}

JOptionPane. showMessageDialog (this, “A:”+A+”B:”+B+””) ;

(f) Differentiate between HTML and XML.

(g) Write Java code that takes the price of a pencil from jTextField1 and quantity of pencils from jTextField2 and calculates total amount as price * quantity to be displayed in jTextField3 and also find 10% tax amount to be displayed in jTextField4

Please click the link below to download pdf file of CBSE Class 12 Informatics Practices Question Paper 2011 (1).