Directorate of Distance Education Ph. 0373‐2370207(O) Dibrugarh University Dibrugarh 786004 Website: www.ddedu.org Fax : 0373 ‐ 2370323 E‐mail : [email protected] Dear Learner, I, on behalf of the Directorate of Distance Education, Dibrugarh University, congratulate you for getting yourself enrolled as a student of BCA 1st Semester under the Directorate of Distance Education, Dibrugarh University. You are aware that you have to submit assignments in each course (paper). The questions for Assignments are enclosed herewith. At the time of submitting the assignments, please note the following: * Write your assignment neatly with your own hand-writing on one side of the paper. If you desire, you may also get it typed or submit a computer printed copy. * Stick to the word limit mentioned in the questions. * Keep a margin of about 5 cm on the left side of the paper. * You may submit the assignments directly in the office of the Directorate of Distance Education or in the Contact Centre in which you enrolled yourself. * Keep a duplicate or xerox copy of the assignment with you (compulsory). * The last date of submitting the Assignments (Assignment-I & II) is 20th February, 2015. * Write your Name, Student Number, Programme, Course (paper) Number, Title of the Course (Paper), Dibrugarh University Registration No. and Year, Date of Submission of the assignment in the following format: Assignment Name : ___________________________________ Programme : BCA Class : 1st Semester Course (Paper) : Session : 2014-2015 Student No. : ____________________________ D.U. Registration No.(if received) ____________ of ________ Date of Submission:_____________________ Wish you all the best for your future! Sincerely Yours Sd/(Nirode Boruah) Director, DDE, D.U. ASSIGNMENT-I Computer Fundamentals BCA -101 Total marks : 15 1. Write short notes on the following: a) RAM and ROM b) Low - level and High-level languages. 5X2=10 2. Write the differences between Third and Fourth generation of computers. 5 ASSIGNMENT-II Computer Fundamentals BCA -101 Total marks : 15 1. What is booting ? Explain . 5 2. Write down the differences between System Software and Application Software. 5 3. What are the main functions of an Operating System? Briefly mention them. 5 ASSIGNMENT-I Mathematics BCA -102 Total marks : 15 Each question carries 5 marks.( Answer any three ) 1. Show that contra-positive statements are equivalent 3 2 2 − + 1+ i 2 − i 1− i 3. Using De Moivre’s theorem ,find the three cube root of -1 4. Write the following complex number in polar form −1 + i 3 2. Simplify ASSIGNMENT-II Mathematics BCA -102 1. Solve the equation x 7 = 1 by De Moivre’s theorem. Total marks : 15 2. Solve x+ y+z =3 2x − y + z = 2 x − 2 y + 3z = 2 3. In how many ways the letters of the word COMBINE and MATHEMATICS can be arranged . Out of 10 watches , 4 are defective. Three watches are selected at random. Find the probability that (i) no watch is defective (ii) one watch is defective ASSIGNMENT-I Business Communication BCA -103 Total marks : 15 1. What is communication? Discuss the process of communication. 5 2. What is attitude? What role does it play in communication? 5 3. What is group discussion? How would you prepare for a group discussion? 5 ASSIGNMENT-II Business Communication BCA -103 Total marks : 15 1. What do you mean by the format of a letter? Show it with a specimen format of any one type of business letter. 5 2. What is report? What is its need in a business organization? 5 3. Prepare your resume for a job in an effective manner. 5 ASSIGNMENT-I Grooming BCA -104 Total marks : 15 1. What is personality ? How is intelligence and personality interrelated? 2. Write down the five major factors of heritability. 3. Discuss three factors of leadership. ASSIGNMENT-II Grooming BCA -104 Total marks : 15 1. What is communication ? Write down three barriers of communication. 2. What do you understand by time management? 3. What is self assessment? Discuss. ASSIGNMENT-I Digital Design BCA -105 Total marks : 15 1. Discuss about the Parity Bit Coding Technique. Distinguish between odd parity code and even parity code. 5 2. What are NOR and NAND gates? Why are they called universal gates? Give truth tables for 3-input NAND and NOR gates. 5 3. Obtain the simplified form of the following Boolean expression using K-map. Draw the logic circuit. F(A,B,C,D) = ∑(0, 1, 2 , 3, 4, 5, 7, 8, 9 ,11, 14) 5 ASSIGNMENT-II Digital Design BCA -105 Total marks : 15 1. What are the major application of multiplexers? 5 2. What are decoders? Draw and explain the working of a 2 to 4 line decoder. 5 3. Differentiate between S-R and J-K flip-flops. 5 ASSIGNMENT-I Programming in C (Practical) BCA -106 Total marks : 5X3=15 LABORATORY ASSIGNMENT ( Any Three) 1. Write a program in C to find the greatest of three numbers. 2. Write a program in C to find area of a triangle and show its type. 3. Write a program in C to find a factorial of a number. ( Use function ) 4. Write a program in C to print first n natural numbers. ASSIGNMENT-II Programming in C (Practical) BCA -106 Total marks : 5X3=15 Each question carries 5 marks.( Answer any three ) 1. Write a program in C to generate the first n Fibonacci series. 2. Write a program in C to find area of a triangle and show its type. 3. Write a program in C to find the maximum, minimum value in an array. 4. Write a program in C to add two matrices.