Delhi Public School -Riyadh Summer Holiday Homework (2016) CLASS - 12

Transcription

1 مدارس دارۃ السالم العالمية- الرياض Delhi Public School -Riyadh Summer Holiday Homework (2016) CLASS - 12 PHYSICS 1. Complete the NCERT exercise questions (numerical questions) of the completed chapters. 2. Complete the practical record book for submission for TERM-01 experiments 3. Make a project on any topic of Physics for the CBSE board practical exams. 4. Revise for the SA1 exams. CHEMISTRY 1. Complete the exercise questions (numerical questions) in the completed chapters. 2. Download the NCERT Exemplar problems from ncert website and answer them in a separate notebook. Link: 3. Prepare your record (Journal) book for submission for TERM-01 experiments. 4. Project work of Chemistry should be completed for must be submitted on reopening day. Suggested projects are being given in the syllabus followed by the link: 1. Prepare a project on the title assigned 2. Complete the lab record BIOLOGY 3. Prepare for summative assessment I (Unit VI, VII, VII) MATHEMATICS 1. All questions of CBSE board (Foreign) grade XII -2016which are from mathematics volume I 2. All questions from exam Idea on topics i. Inverse trigonometric function ii. Continuity and differentiability iii. Applications of derivative (maxima and minima only) PHYSICAL EDUCATION 1. Prepare a project on the sport you have selected. 1 P a g e

2 COMPUTER SCIENCE 1. Revise Chapter 1, 2 and Design a circuit to realize the following: F (a,b,c) = A B + A C + B AC 3. Obtain a simplified form for the following Boolean Expression using Karnaugh s Map. F (a, b, c, d) = (0,1,2,4,5,7,8,9,10,11,14) 4. Write SQL commands for (a) to (f) and write the output of the (g) on the basis of the table TEACHER: TABLE : TEACHER No. Name Age Department Dateofjoin Salary Sex 1. Jugal 34 Computer 10/01// M 2. Sharmila 31 History 24/03/ F 3. Sandeep 32 Maths 12/12/ M 4. Sangeeta 35 History 01/07/ F 5. Rakesh 42 Maths 05/09/ M 6. Shyam 50 History 27/06/ M 7. Shiv Om 44 Computer 25/02/ M 8. Deeksha 33 Maths 31/07/ F a) To show all information about the teacher of History department. b) To list the names of female teachers who are in Maths Department. c) To list names of all teachers with their DOJ in ascending order. d) To display teacher s Name, Salary, age for male teachers only. e) To count the number of teachers with age >23. f) To insert a new row in thee TEACHER table with the following data: 9, Rajesh, 26, Computer, {13/05/99}, 5000, M. g) Give the output of the following SQL Statements: i. Select COUNT (DISTINCT department) from TEACHER; ii. Select MAX (Age) from TEACHER where SEX = F ; iii. Select AVG (Salary) from TEACHER where SEX = M ; iv. Select SUM (Salary) from TEACHER where DATEOF JOIN < {12/07/96}; 5. Explain the following Laws draw the corresponding gate and prove it with the help of truth table and algebraically : a. Commutative Law b. Distributive Law c. 3 rd Distributive Law d. Absorption Law e. Indempotence Law 6. Define the following terms: a. Tuples b. Attributes c. Primary Key d. Foreign Key 7. What is SQL? What are the various subdivisions of SQL? 8. Give examples of some DDL commands and some DML commands. 9. What is the difference between column constraint and table constraint? Name some database integrity constrains. 10. What is the difference between where and having clause? 11. Reduce the following Boolean expression using K-map: F(P, Q, R, S) = Σ(1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 15) 12. Verify X Y + XY + X Y = (X + Y ) using truth table. 13. Reduce the following Boolean expression using K-map: F(A, B, C, D) = Σ(3, 4, 5, 6, 7, 13, 15) 14. Reduce the following Boolean expression using K-map: H(U, V, W, Z) = Σ(0, 1, 4, 5, 6, 7, 11, 12, 13, 14, 15) 15. Prove algebraically x y z + x y z + x yz + x yz + xy z + xy z = x + y 2 P a g e

3 16. Write the POS form of a Boolean function H, which is represented in a truth table as follows: 17. Write the equivalent Boolean Expression for the following Logic Circuit. 18. Reduce the following Boolean expression using K-map: F(A, B, C, D) = Σ(0, 3, 4, 5, 7, 9, 11, 12, 13, 14) 19. Convert the following Boolean expression into its equivalent Canonical Product of Sum Form(POS) : A.B.C + A.B.C + A.B.C 20. If F(a, b, c, d) = Σ(0, 1, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15), obtain the simplified form using K-Map. 21. Represent the Boolean expression (X + Y)(Y + Z)(X + Z) with help of NOR gate only. 22. Represent the Boolean expression X. Y + Z with the help of NOR gates only. 23. Obtain a simplified form for a boolean expression F(U, V, W, Z) = Σ(0, 1, 3, 4, 5, 6, 7, 9, 10, 11, 13, 15) using Karnaugh Map. 24. Represent the Boolean expression (x + y)(y + z)(z + x) with the help of NOR gates only. 25. Obtain a simplified form for the following Boolean Expression using Karnaugh s Map : F(a, b, c, d) = Σ(0, 1, 2, 4, 5, 7, 8, 9, 10, 11, 14) 26. Given the following truth table, derive a sum of product (SOP) and Product of Sum (POS) form of Boolean expression from it : 27. Reduce the following Boolean expression using K-map : F(A, B, C, D) = Π(5, 6, 7, 8, 9, 12, 13, 14, 15) 28. Given the following Boolean function F = A*BC* + A*BC + AB*C (a) Develop an equivalent expression using only NAND operations, and the logic diagram. (b) Develop an equivalent expression using only NOR operations, and the logic diagram. 29. Simplification of the Boolean expression AB + ABCD + ABCDE + ABCDEF yields which of the following results? (a) ABCDEF (b) AB (c) AB + CD + EF (d) A + B + C + D + E + F (e) A + B(C + D(E + F)) 30. Simplify the Boolean expression (A + B) (C + D + E) + (A + B) 31. Try Harder Simplify the following: {[(AB) C]D]} 3 P a g e

4 32. What function is implemented by the circuit shown 33. Draw the logical circuits for the following using NOR gates only : (i)(x + Y). (X + Y). (X +Y ) (ii) (X + Y + Z). (X + Y +Z ) 34. Draw the logical circuits for the following using NAND gates only : (i) xy + xy z + xyz (ii) ABC + AB C + ABC 35. Draw the AND-OR circuit for : y = AB C D + ABC D + ABCD 36. Draw logic circuit for the following using k-maps : (i) F(A, B, C, O) = Σ(1, 3, 5, 9, 10) (ii) F(A, B, C) = π(0, 2, 4, 5) (iii) F(A, B, C) = Σ(1, 2, 4, 6, 7) (iv) F(A, B, C) = π(1, 3, 5, 7) 37. Draw and simplify the Karnaugh Maps of X, Y, Z for : (a) m0 + m1 + m5 + m7 (b) F = Σ(1, 3, 5, 4, 7) (c) m0 +m2 + m4 + m6 38. Given the truth table of a function F(x, y, z). Write S-O-P and P-O-S expression from the following truth table : 39. Consider the following relation PRODUCT and CLIENT. Write SQL commands for the statement (i) to (iv) and give outputs for SQL queries (v) to (viii). PRODUCT P_ID ProductName Manufacturer Price TP01 Talcom Powder LAK 400 FW05 Face Wash ABC 450 BS01 Bath Soap ABC 550 SH06 Shampoo XYZ 1200 FW12 Face Wash XYZ 950 CLIENT C_ID ClientName City P_ID 01 Cosmetic Shop Delhi FW05 06 Total Health Mumbai BS01 12 Live Life Delhi SH06 15 Pretty Women Delhi FW12 16 Dreams Bangalore TP01 (i). List the details of those clients whose city is Delhi. (ii). List the details of PRODUCT whose Price is in the range of 50 to 100 (both values included) (iii). List the ClientName, City from table CLIENT, and ProductName and Price from table Product with their corresponding matching P_ID. (iv). To increase the Price of all products by 10. (v). SELECT DISTINCT City FROM CLIENT; (vi). SELECT Manufacturer, MAX(Price), MIN(Price), COUNT(*) 4 P a g e

5 (vii). (viii). FROM PRODUCT GROUPBY Manufacturer; SELECT ClientName, ManufacturerName FROM PRODUCT, CLIENT WHERE Client.P_Id=Product.P_ID SELECT ProductName, Price*4 FROM PRODUCT; P a g e

6 Very Short Answer Questions ECONOMICS Project Work: Contribution of IT Sector in Indian Economy 1. What is meant by Divisible Profit? ACCOUNTANCY Section-A 2. Why it is considered desirable to make the Partnership agreement in writing? 3. Do all firms need registration and deed? 4. What do you understand by Super profit? 5. What is Sacrificing Ratio? 6. Give two circumstances in which Gaining Ratio is calculated? 7. What is Purchased Goodwill? 8. Give the formula for calculating Gaining Ratio? 9 What is Realisation Account? 10. What is Hidden Goodwill? Short Answer Questions: Section-B 11. State the nature of Interest on capital and Interest on Drawings 12. Why is it necessary to have Reconstitution of Partnership? 13. Distinguish between Sacrificing Ratio and Gaining Ratio 14. Why is it necessary to revalue the assets and Liabilities? 15. Name any two factors affecting Goodwill of Partnership firm Short Numerical Questions Section-C 16. X and Y are partners in a firm sharing profits and losses in the ratio of 4:3. They admit Z in a firm and the profit sharing ratio among them will be 2:3:1 calculates the Gain or Sacrifice of Old partners. 17. A, B C were partners sharing profits in 3:3; 2. They admitted D as a new partner for 4/7 profit. D acquired his share 2/7 from A and, 1/7 from B and 1/7 from C Calculate new profit sharing ratio. 18. Abu and Adil were partners in a firm Sharing Profits in the ratio of 3:2. They admit Haseeb as a new Partner for 1/5 Share. Haseeb brings Rs. 30,000 s capital and Rs. 10,000 as premium of goodwill. New profit sharing ratio of partners will be 5:3; 2 Prepare necessary journal entries. 19. K and M were partners in a firm sharing profits in the ratio of 5:3. Their Fixed Capitals were Rs. 3, 00,000 and Rs.2, 00,000. The Partner ship deed provide that, 6 P a g e

7 a) Interest on capital should be b) K should be allowed the salary of Rs.40, 000 c) Commission of 5% of the net profit should be allowed to M d) The net profit for the year ended was Rs.2, 00,000 Make Profit and loss Appropriation Account. Long Numerical Questions: Section-D 20. Arun, Balu and Kamal are partners in a firm sharing profit and losses in the ratio of 5:3:2 On March , Kamal retires from the business, the balance sheet of the firm Was: Liabilities Rs Rs Assets Rs Rs Creditors 27,000 Cash at bank 80,000 Bills payables 13,000 Debtors 20,000 Outstanding Rent Doub.Debts ,500 Provision for Legal claims 22,500 Stock 21,000 Capital Accounts: Furniture Arun 57,500 Fixtures 2,00,000 Balu Kamal 127,000 90,000 71,000 On Kamal s retirement it was agreed that: 2,88,000 4,08,000 4,08,000 a) Fixtures will be appreciated by 10% and Furniture was depreciated by 20% b) Provision for doubtful debts will be made at5%on debtors. c) Legal claims will be made Rs.60, 000 d) Goodwill of the firm valued at Rs.60, 000 d) Rs.70, 000 from Kama ls capital will be transferred to his Loan account and the balance will be paid to him by cheque. Prepare Revaluation account, Partners Capital accounts and the Balance sheet. 7 P a g e

8 21. Following is the balance sheet of Ramesh and Suresh 0n 28-February-2005 Liabilities Rs Rs Assets Rs Rs Sundry creditors Bills payables Capital Accounts Ramesh Suresh 30,000 30,000 20,000 40,000 60,000 Land and Buildings Furniture Trucks Stock Debtors Cash 40,000 28,000 20,000 10,000 12,000 10, ,20, ,000 On the above date Partners decided to dissolve the firms Ramesh took over the Creditor and Suresh took over The Bills payables Assets are revalued as follows Debtors; Rs.9, 000 Furniture Rs.21, 000, Stock Rs Truck Rs.32, 000 Land and Buildings Rs.60, 000 Realiasation expenses paid by Ramesh were Rs.1200 Prepare Realisation account, Cash Account and Capital accounts of the partners to close the books of the firm. BUSINESS STUDIES I. Project work : Marketing Management of any new product II. Do the Case problems stated on the following pages of NCERT : Ch1- page 29, Ch2- page 69, Ch3- page 94, Ch4- page 111, Ch5- page 144, Ch6- page P a g e