CBSE Class 12 Informatics Practices Question Paper 2016 Delhi

CBSE Class 12 Informatics Practices Question Paper 2016 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.

Informatics

1. (a) Two doctors have connected their mobile phones to transfer a picture file of a person suffering from a skin disease. What type of network is formed ? Which communication media out of Coaxial cable, Optical fiber, Bluetooth, Satellite link should be used to transfer the file ? 

(b) State reason why Star topology requires more cable length than Bus topology. 

(c) “Open Source Software developers work for the good of community”. Is this statement true ? Give reason. 

(d) What happens during ‘Domain Name Resolution’ ? 

(e) How is ‘Denial of service’ attack, a threat to Network security ? 

2. (a) Identify the odd one out of the following statements. State reason for your choice. 

(i) switch

(ii) do while

(iii) while

b) What is the difference between setVisible() and setEnabled() methods ? 

(c) What is the difference between the following statements (i) and (ii). 

(i) a=5;

(ii) if(a = = 5)

       x=3;

(d) Write the output in jTextField1 if depcode is 3. 

switch (depcode)

{

case 1 :

allowance=4000;

break;

case 2 :

allowance=3200;

break;

default :

allowance=1000;

}

jTextFieldl.setText( " " +allowance);

(e) Sandhya is creating a webpage. She is entering HTML code on her computer. In between, she keeps pressing ‘Refresh’ / ‘Reload’ button on her browser. What is the purpose ? 

(f) What does ‘XML’ stand for ? How is the purpose of HTML different from XML ? 

(g) Write Java code (statements) to declare Y as integer variable. Then, assign the value 30 to a variable Y. Increase the value of Y by 5 and store the increased value in Z. 

3. (a) What is MySQL ? 

(b) Charvi is inserting “Sharma” in the “LastName” column of the “Emp” table but an error is being displayed. Write the correct SQL statement. 1

INSERT INTO Emp(‘Sharma’)VALUES(LastName) ;

Please click below link CBSE Class 12 Informatics Practices Question Paper 2016.

Tags: 

 


Click to View or Download pdf file
Click for more Informatics Practices Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Decision on Board Exam 2020

The Class 10 and 12 exams are cancelled, and results for both 10th and 12th would be declared by July 15 based on internal exams. CBSE Class 12 students would have the option to appear for the exams at a later date. CBSE has a scheme in which marks scored in past 3...

Board Cancelled Official CBSE Statement

Keeping in view the requests received from various State Governments and the changed circumstances as on date, following has been decided- 1. Examinations for classes X and XII which were scheduled from 1st July to 15th, 2020 stand cancelled. 2. Assessment of the...

Cogito and The Question Book A series on Thinking skills by CBSE

The Board has dedicated this academic session 2020-21 for ‘Competency Based Learning’. Skills connected to Critical & Creative thinking, Problem Solving, Collaboration and Communication are core to successful living in the 21st Century. To focus on the importance...

Re verification of Class 12 Board Exams Marks

Modalities and Schedule for Senior Secondary School (Class XII) Examinations, 2020 in the subjects whose examinations have been conducted by CBSE for the processes of (I) Verification of Marks (II) Obtaining Photocopy of the Evaluated Answer Book(s) (Ill) Re-evaluation...

FAQs CBSE Board Exam Results Class 10 and 12

FAQs CBSE Board Exam Results Class 10 and 12 Q.1. What does the term RT in the marksheet mean? Ans.The term RT means REPEAT IN THEORY. This is the term used from 2020 instead of FAIL IN THEORY(FT) Q.2. What does the term RP in the marksheet mean? Ans.The term RP means...

Internal Assessments and CBSE Reduced Syllabus

CBSE on 7th July 2020 had announced the ‘Revised Academic Curriculum for classes IX-XII for the session 2020-21’ to mitigate the effect of face to face learning loss due to the closure of schools to contain COVID-19 Pandemic. The rationalization of syllabus up to 30% ...

×
Studies Today