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Computer Science, XII

  • Differentiate between keywords and identifiers.
  • What are the Rules for framing identifier names?
  • Differentiate between implicit and explicit type conversions
  • What is the effect of absence of break in a switch statement? What is the purpose of default in a switch?
  • Differentiate between break and continue statements
  • What is the difference between entry control loop and exit control loop?
  • Differentiate between local and global variable.
  • Differentiate between formal parameters and actual parameters of a function.
  • Differentiate between call by value and call by reference methods of function call.
  • Differentiate between functions returning values and functions returning reference.
  • What do you mean by default parameters of a function
  • Differentiate between a structure and an array.
  • Explain the initialization of arrays and structures
  • What is a nested structure?
  • Explain the purpose of ‘typedef’ command and ‘define ‘preprocessor directive

All Questions must be answered with proper examples

Subject Teacher: Mr Baiju V., PGT (CS)

Date of submission: 1 June 2018

 

 

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Information Practices, XII

For the various swing controls in Net Beans, make a note on properties and functions as given in chapter 3

(GUI Programming –Page 62 to 72)

Swing Control Name: 1. jLabel1. jButton 2. jTextField 3. jTextArea 4. jRadioButton 5. jCheckBox 6. jComboBox

  1. jListBox 8.jPassword

Maths, XII

Maths, Class XII, Shift-2

Maths, XII B

Maths XII B Shift-2

Computer Science, XII

Comp. Sc. XII

Informatics Practices, XII

IP XII

Maths, XII A

Maths XII

Biology, XII

Class:XII (Shift-II)

Sub: Biology

I

  1. Offspring derived by asexual reproduction are called clones.Justify giving two reasons.
  2. Mention a characteristic feature and function of zoospores in some algae.
  3. All papaya plants bear flowers, but fruits are seen only in some.Explain.
  4. Unicellular organisms are immortal, whereas multicellular organisms are not. justify
  5. a) State the difference between meocite and gamete with respect to chromosome number.
  6. b) Why is a whiptail lizard referred to as parthenogenetic?
  1. The cell division involved in gamete formation is not of the same type in different organisms. Justify.
  2. Exercise questions of Chapter 1’Reproduction in Organisms’

III.Invesigatory Project

Maths, XII

Maths XII

Hindi XII

१) निम्नलिखित विषयों पर निबन्ध लिखिए (३०० शब्दों में )

अ) अनुशासन की समस्या और शिक्षा

आ) इंटर्नेट’ एक वरदान या अभिशाप

इ) मेरा प्रिय कवि

ई) प्रदूषण की समस्या

२) स्वरचित कविता – विषय “प्रकृति”|

३)’स्वच्छ भारत अभियान में छात्रों का योगदान’ इस विषय के महत्व पर प्रकाश डालकर अपने दोस्त के नाम पर एक पत्र लिखिए-

Shift-II

Accountancy XII C

1) Distinguish between profit& loss account and profit& appropriation account.

2) Discuss the main provisions of the Indian partnership act 1932 that are relevant to partnership accounts if there is no partnership deed.

3) Record the following items in the Capital Accounts of Deepa and Shika as per (i) fixed capital Method (ii) fluctuating Capital Method

 

Deepa

Shika

Capital as on 1st April 2004

2,00,000

1,00,000

Drawings during 2004-05

25,000

20,000

Interest on capital

5%p.a

5%.p.a

Interest on drawings

750

600

Salary

12,000

9600

Commission

4000

Share of profit

30,000

15,000

Current account balance on 1st April 2004

5000(Cr)

200(Dr)

(4) A and Bare partners sharing profits and losses in the ratio 3:1. Their capitals at the end of the financial year 2005-06 were Rs.6,00,000 and Rs.3,00,000. During the year 2005-06, A’s drawings were Rs.80,000 and the drawings of B were Rs.40,000 which had been duly debited to partner’s capital accounts. Profit before charging interest on capital for the year was Rs.80,000. The same had also been credited in their profit sharing ratio. B had brought additional capital of Rs.70,000 on October 1st,2005. Calculate interest on capital @ 12% p.a for the year 2005-06.

Date of submission: 5 June 2015 (Shift-II)

Informatics Practices XII C

1. Which communication channel(s) is/are suitable in each of the following situations:

a. Setting up a LAN

b. Transfer of data from a laptop to a mobile phone.

c. Transfer of data from one mobile phone to another.

d. Creating a remote control that can control multiple devices in a home.

e. Very fast communication between two offices in two different countries.

f. Communication in a hilly area

g. Communication within a city and its vicinity where cost of cabling is too high.

2. (a) What is a computer network? What are its advantages?

(b) What is meant be communication channels? Give two examples of guided media and

two examples of unguided media.

3. Differentiate (with examples wherever possible) between :

a. Hub and Switch b. Guided and Unguided media

4. Differentiate between :

(a) radio waves and micowaves (b) Bluetooth and satellite

5. Write the syntaxes of if-else, and switch case statements in java. Explain how each works.

State one sample program for each.

6. Write the syntaxes of for, while and do-while statements in java. Explain how each works.

State one sample program for each.

(Date of submission- First week of June2015)

Computer Science XII A

1.Write the syntax and use of keywords break,continue,goto and exit() function. Explain each with proper examples.

2. What are nested for loops? Write a program to illustrate the use of nested for loop.

3. Write for loop and equivalent while loop for any 5 programming situations.

4. Write a C++ program to input one dimensional integer array and write functions

(i) To find the minimum,maximum, sum and average of elements in the array.

(ii) To search for a particular element in the array.

5. Write program(s) to input a string and

(i) Reverse the string and check if it is a palindrome or not.

(ii) Convert all upper case letters to lower case and vice versa.

6. Solve 2 output questions using random function.

Here date of publishing to be stored as a variable of structure date with members day, month and year. Write a program to accept details of 20 books and also write statements to display all the details of a particular book whose book name is entered by the user.

(Date of submission- First week of June2015)

English XII

1.WRITE A SUMMARY OF THE NOVEL “THE INVISIBLE MAN “.

2. WRITE ARTICLES ON THE FOLLOWING TOPIC

A.LANGUAGE AS A MEANS OF SUPPRESSION

[REF –L-L THE LAST LESSON]

B. CHILD LABOUR [REF-LESSON-LAST SPRING ]

C. THE GREATEST CHALLENGE IS TO OVERCOME FEAR [REF-DEEP WATER].

(Date of submission- First week of June2015)

Economics XII

Date of submission: 5 June 2015

Shift-II

1. Distinguish between market economy and planned economy.

2. What are the central problems of an economy?

3. Define the following: i) Consumer’s Equilibrium.

ii) Utility.

iii) Budget Line.

iv) Marginal Utility.

4. What is diminishing marginal utility? Explain with schedule and diagram.

5. What is indifference curve? Write four features of indifference curve.

6. What is budget line? When does budget line shift?

7. What is demand? Name and explain 9 different types of demand.

8. Which are the exceptions to the law of demand?

9. Distinguish between: i) Normal goods and Inferior goods

ii) Extension of demand and Increase in demand.

iii) Contraction of demand and Decrease in demand.

10. Which are the factors affecting demand?

Work Experience VI-XII (S-II)

Mr Sudhakar Nandanwar, TGT (WET)

Date of submission: 23 June 2014

 

Note- any one for all classes

s. no.

Class

Project/ project report

1.

VI

1.make a simple circuit by using LED, cells of 1.5 volt and wires

2.make a chart on ,precautions while working on electrical system.

3.make a fan by using small motor and battery.

4.collect the pictures of the electrical tools e.g plier ,screw driver, tester, hammer, spanner etc and paste on the chart paper.

5. make a small toy car by using motor, battery.

2.

VII

1 make a quiz board by using LED, battery, buzzer and wires.

2 .make a circuit how to test the conductor and insulator.

3. draw and define the waveform of a.c and d.c

4. collect cables and wires

3.

VIII

1.make a chart on safety rules.

2.make a first aid box

3. connect 3 LEDS in series combination

4.

IX

1.make an electromagnet by using nail,battery and copper wire.

2.write a project report on motor and generator.

5.

X

1.write a project report on thermal power station

2.write a project report on nuclear power station

6.

XII

1.write a project report on rectifier

2.write a project report on motor.

3.assemble a rectifier circuit by using diode ,step down transformer

And associated component.