CBSE Class 12 Informatics Practices Sample Paper 2014 (15)

Scroll down for PDF

CBSE Class 12 Informatics Practices Sample Paper 2014 (15). Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and NCERT guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and NCERT guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

Q 1. Answer the following questions.

a) A School would like to go in for network of all the computers. Which topology would you recommend and why? 

b) What is communication channel? What choices do you have while choosing a communication channel for a network?

c) What do you mean by network topology? Name most popular topologies 

d) Navneet is using software, which has been downloaded from internet and is available for one month. After one month he has to pay license fee for further use. What software Navneet is using? 

e) Akhil is transferring songs from his mobile to his friend’s mobile via Bluetooth connection. Name the network used by Akhil. 

f) Which of the following is not a characteristic of open source software?

• Its source code is available for modification

• Its owned by a company or an individual

• It can be downloaded by Internet 

g) Which protocol is used for transfer of hyper text documents on the internet?

Q 2. Answer the following questions.

a) Ms. Kiran has developed a Java application for a restaurant billing, in which check boxes and text fields are made on form. Items are shown through check boxes. Selecting check box displaying corresponding text fields. Name the property which Kiran should use to perform the same. 

b) What is the purpose of break and continue statement in a loop? 

c) Name the tag which is used to insert image in background of HTML document with example. 

d) What is XML? How is it different from HTML? 

e) What will be the value of s after executing the following code?

double i,sum=2

for(i=3;i<8;++i)

{ if(i%4= =0)

{ break;

sum=Math.pow(sum,i);

}

else

sum+=i/2;

f) Write a method in Java that takes a number as parameter and return sum of its divisors. 

g) What are the use of the following tags-

<UL>, <HEAD>, <SUP>, <P> [2]

Q 3.

a) Which MySQL command helps you to see existing databases? 

b) Rakesh created a table in Mysql. Later he found that table is wrongly created and he wants to remove it. Name the command by which Rakesh can do it. 

c) Reena created a table named student, she wants to see those students whose name ending with p. She wrote a query- SELECT name.* FROM student WHERE name=”%p”;

Help Reena to run the query by removing the errors from the query and rewriting it. 

d) Sanjeev is not able to reduce the salary of employee. Which constraint has he used while creating table? 

e) What is primary key? How is it different from candidate key? Explain with the help of suitable example. 

f) Emp_no, Emp_name and Basic of table “EMP” are given below Based on this information, find output of the following queries.

a) SELECT MAX(Basic) FORM EMP;

b) SELECT Name FROM emp WHERE Basic IS Null; 

g) Define Degree and Cardinality.

Q 4. a) What is Inheritance? Name the inheritance types which is not supported by Java. 

b) Marks of a student is stored in a string variable strMarks. Marks are to be used in calculation. Write the Java statement to convert marks into double variable dblMarks. 

c) Write the purpose of the following statements. 

i) jTextArea1.append(“Hello”); ii) jTextArea1.setText(“How \rr \tU?”);

d) Rewrite the following code using for loop.

int i=0;

while(++i<20)

{ if( i==8)

break;

System.out.println(i++);

} [2]

e) The following code has some error(s). Rewrite the correct code underlining all the corrections made.

int y=3;

switch(y);

{ case 1: System.out.print(“Yes its One”);

case >2: System.out.println(“Yes its more than Two”);

break;

case else: System.out.print(“Invalid Number):  

Please refer to attached file for CBSE Class 12 Informatics Practices Sample Paper 2014 (15).

Tags: 


Click on the text For more study material for Informatics Practices please click here - Informatics Practices

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 Circular Aryabhatta Ganit Challenge

For students with a keen interest in mathematics are now provided with a better opportunity to explore their knowledge. CBSE has announced to conduct an exam for the purpose of generating interest in maths among students. It is a trial to clarify the myth that...

Seven Motivational tips for every student

If you’re are a student or a learner and you doesn’t feel like study then this article is going to be very important for you, Reading constantly and Staying motivated as a student is one of the most challenging tasks and barriers to educational success. Education is...

CBSE to conduct a voluntary test for class 11th and 12th

Nowadays students have the liberty to choose the field they seem to fit in. A few years back the problem was parents who burdened children with their own choices. On the other side, now students along with their parent's support are free to choose their field. Not any...

CBSE Board Secretary says Class 10 and 12 CBSE Exam Pattern to be modified

The Central Board of Secondary Education is expected to introduce a few changes to the exam pattern for class 10 and board exams by 2023. Anurag Tripathi, secretary of CBSE speaking at an Assoham School Education Summit said that although this year class 10 students...

How to crack a competitive examination

“How I crack a competitive examination” is a frequently asked question by today’s students. Cracking a competitive exam is a challenging task. Attaining a huge amount of study and solving several complex problems in a limited amount of time is a huge task. Competitive...

CBSE Board Introduces Experiential Learning for Student

CBSE Academic Session 2019-20: Board Introduces Experiential Learning for Student: The education sector has grown for some new changes. As per the latest updates the Central Board of Secondary Education has been good in making all the possible efforts to improve...

×
Studies Today