BE - SEMESTER III MID SEMESTER-I EXAMINATION WINTER 2017 SUBJECT: ENGINEERING ECONOMICS AND MANAGEMENT (2130004) (CE/IT/EC/EE) DATE: 04/08/2017 TIME: 10:00 am to 11:30 am TOTAL MARKS:40 Instructions: 1. All the questions are compulsory. Q.1 (a) 1. National Income is concept. 2. Define Economics. 3. Rent is an example of cost. 4. is the father of Scientific Management. 5. The market with a single seller is known as market. (b) Differentiate between Management and Administration. Q.2 (a) Define Demand. Explain law of demand with the help of a diagram. (b) Discuss the levels of management. (c) Explain the factors of production. Q.2 (a) Write a detailed note on Break Even Analysis with its assumptions. (b) Explain the following income concepts: 1. GDP 2. GNP 3. Per capita income (c) Explain the equilibrium between demand and supply. Q.3 (a) Explain Maslow s need Hierarchy theory in detail with diagram. (b) Give the differences between microeconomics and macroeconomics. (c) Explain various cost concepts. Q.3 (a) Discuss the 10 managerial roles given by Henry Mintzberg. (b) State the difference between Perfect Competition and Monopolistic Competition. (c) What is elasticity of demand? Explain its types.
BE - SEMESTER 3 MID SEMESTER-I EXAMINATION WINTER 2017 SUBJECT: Advanced Engineering Mathematics (2130002) (All Branches) DATE: 08-08-2017 TIME:10:00 am to 11:45 pm TOTAL MARKS:40 Instructions: 1.Q. 1 is compulsory. Q.1 (a) Short Questions. (i) 3t 3 Find L{ e } (ii) Find the Convolution of 1*1 (iii) State the relationship between beta and gamma function. (iv) Define Heaviside s unit step function (v) Define Fourier series for even & odd function (b) Obtain the following function by Convolution Theorem L 1 1 ( (s 2)(s + 2) 2) Q.2 (a) Solve the differential equation using Laplace Transform: y 2y = e t sint, y 0 = y 0 = 0 (b) Obtain the Inverse Laplace transform of following function L 1 ln 1 + w 2 s 2 (c) Solve the following function by Laplace Transform f(t) = t 2 sinπt Q.2 (a) Solve the differential equation using Laplace Transform y" 3y + 2y = 12e 2t, y(0) = 2, y (0) = 6 (b) Obtain the Inverse Laplace Transform of following functions L 1 s (s+1)(s 1) 2 (c) Obtain the Laplace Transform (By Integral Property) L 0 t e u u + sinu du Q.3 (a) Find the Fourier series expansion for the 2π-periodic function f x = x x 2 in the interval π x π and show that 1 1 2 1 2 2 + 1 3 2 1 4 2 + = π2 12
(b) Obtain Fourier Series of f( x)= π + x, -π < x < 0 = π x, 0 < x < π (c) Find the Fourier cosine integral of f(x) = e -x x 0 Q.3 (a) Obtain the Fourier series to represent the function 1 2 f ( x) ( x),0 x 2 4 (b) Find the Fourier series of f ( x) x x where x (, ) (c) sin x Express the function f (x) 0 and evaluate sin x sin d 2 1 0. 0 x as a Fourier sine integral x BEST OF LUCK
BE - SEMESTER III MID SEMESTER-I EXAMINATION WINTER 2017 SUBJECT: Data Structure (2130702) (IT/CE) DATE: 09/08/207 TIME:10:00 AM to11:30 AM TOTAL MARKS: 40 Instructions: 1. All the questions are compulsory. Q.1 (a) Define following Terms: 1)Define Sparse Matrix. 2) What is Linked List? 3) Define Time & Space Complexity. 4) Define Storage Structure. 5) What is Active & book-keeping operation? (b) Define data structure. List out types of Data Structure and explain them in brief. Q.2 (a) Differentiate following: (i) Array Linked List (ii) Simple Queue Circular Queue (b) Consider the following queue, where queue is a circular queue having 6 memory cells. Front=3, Rear=4 Queue: _, _, C, D, _, _ Describe queue as following operations take place: A is added to the queue, Two letters are deleted, B is added to the queue, One letter is deleted, E is added to the queue (C) Write an algorithm to implement PUSH and POP Operations on Stack. Q.2 (a) Write Short notes on following: (i) DEQUEUE (ii) Priority Queue (b) Convert a b / c * d + e * f / g infix expression into postfix format showing stack status after every step in tabular form. (c) Explain basic primitive operations which can be performed on linear data structure. Q.3 (a) Write sub algorithms to implement insert & delete operations into a Circular Queue using array representation of Queue. (b) Write an algorithm to convert infix expression into equivalent postfix expression. (c) Differentiate Stack and Queue. [03] Q.3 (a) Write sub algorithms to implement insert & delete operations into simple queue using Array. (b) Convert (A + B) * C D ^ E ^ (F * G) infix expression into postfix format showing stack status after every step in tabular form. (^ denotes exponent) (c) Enlist and briefly explain various applications of stack. [03]
SILVER OAK COLLEGE OF ENGINEERING &TECHNOLOGY BE - SEMESTER III MID SEMESTER - I EXAMINATION WINTER 2017 SUBJECT: DATABASE MANAGEMENT SYSTEM (2130703) (CE/IT) DATE: 10/08/2017 TIME: 10:00 am to 11:30 am TOTAL MARKS: 40 Instructions: 1. All the questions are compulsory. Q.1 (a) i. Define Primary Key. ii. Identify this symbol and Define. iii. NOT NULL Constraints in DBMS. iv. Advantages of DBMS. v. Write down any example query to delete a table with its data. (b) Who is DBA? Discuss the role of database administrator (DBA). Q.2 (a) Explain three tier architecture of DBMS with proper diagram. (b) List out various steps to reduce ER diagram to schema. (C) Discuss following terms with proper example(s). i. Default constraint ii. Check constraint Q.2 (a) List the relational algebra operators. Discuss any two such algebra operators with suitable example. (b) What is mapping cardinality and Explain its types with suitable example. (c) Write difference between traditional file processing system and database management system. Q.3 (a) Explain generalization and specialization in E-R diagram with suitable diagram. (b) Write following SQL Queries for given table: STUDENT(ROLLNO,NAME,SEM,BRANCH,PERCENTAGE) i. Write a query to create above table. ii. Write a query to insert the details in above table. iii. Find all the students whose are in CE branch. iv. Find all the students whose name starts with A and third character is I. v. Delete the records of the students who are having percentage less than 35. (c) Explain various categories of Database users. Q.3 (a) Draw E-R diagram for Hospital management system. (b) Write following SQL Queries for given table: EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL,COMM, DEPTNO) i. Write a query to create above table. ii. Find all the employees whose name begins or ends with M iii. Give maximum salary from department in 20,30 and 10. iv. Find the names of employees who earn between 1200/- and 1400/-. I. Give the names of employee whose department number is 20 and salary is greater than 10000 (c) List out various types of joins. Explain inner and outer join with example.
BE - SEMESTER III MID SEMESTER-I EXAMINATION WINTER 2017 SUBJECT: DIGITAL ELECTRONICS (2131004) (CE/IT/EC) DATE: 11-08-2017 TIME: 10:00 am to 11:30 am TOTAL MARKS: 40 Instructions: 1. All the questions are compulsory. Q.1 (a) Perform Following Operations. 1. Hexa to binary (2DB)16 2. Binary Multiplication (1101)2 * (110)2 3. Convert (69)10 to its equivalent gray code and EX-3 code. 4. Given that (16)10 = (100)x, find the value of x. 5. Octal to binary (367.52)8 (b) Explain all gates with respective truth tables. Q.2 (a) Explain full adder and design it using two half adder and one gate. (b) Reduce the following expression using K-MAP, F = m(1, 2, 4, 6, 7, 11, 15) + d(0, 3) (c) Minimize the following Boolean expressions. X = ( (A'B'C')' + (A'B)' )', Y = AB + ABC' + A'BC + A'BC' Q.2 (a) Using D as the VEM, reduce Y = A'B'CD + A'B'CD' + ABC'D' + ABCD' + ABCD + AB'CD' + A'BCD + A'BC'D' + AB'C'D + ABC D. (b) Use a multiplexer having 3 data select inputs to implement the logic for the function given below. Also realize the same using 16:1 MUX, F = m(0,1,2,3,410,11,14,15). (c) Differentiate combinational and sequential circuits. Q.3 (a) Design and implement BCD to EX-3 code converter. (b) Design 3 8 decoder with necessary logic diagram. (c) State and prove De-Morgan s Theorems for three variables with the help of Truth tables. Q.3 (a) Design and explain 4-bit magnitude comparator. (b) Design and explain 4-bit binary parallel substractor. (c) Convert the decimal number 250.5 to base 3, base 4, base 7 and base 16.