SMU BCA SEM 1 SUMMER 2015 ASSIGNMENTS

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SMU BCA SEM 1 SUMMER 2015 ASSIGNMENTS

BCA1010– FUNDAMENTALS OF IT& PROGRAMMING

1 What is a Computer? Briefly explain organization of the Computer.

2 How are computers classified? Briefly explain the classifications of Computer.

3 What is Computer Software? How it is useful in running Hardware?

BCA1020- PROGRAMMING IN C

1 Define operators. Briefly explain about any four Operators in C.        

2 Differentiate between while and do-while statements

3 Describe about static and external variables.

4 Define structure. What is the syntax for defining a structure? Write a simple program using structure.

5 Define macro. How we can declare a macro statement? Explain with an example.

6 What is the use of fopen () and fclose () function? List and explain different modes for opening a file.

BCA 1030- BASIC MATHEMATICS

1 (i) Express 792 in radians and (7 p /12)c in degrees

(ii) Prove that tan0+sec0-1  =  cos0   = 1+sin0

                              Tan0- sec0+1   1- sin0     cos0

2. i. Y = x^{m/n), m, n being integers, n > 0 find dy/dx

ii. Differentiate log (2x + 3) from first principles

3. Evaluate 2 cosx+ 3sinx/ 4 cosx+ 5 sinx dx= I

4 Solve dy/dx = y+x-2/y-x-4

5. i. If a = cos q + i sin 0,0 <0 < 2p prove that 1+a/1-a = i cot q/2

ii. If x=1y = a+ ib/c+ id prove that (x^2+y^2) = a^2+b^2/c^2+d^2

6. Solve: 2x + 3y + 4z = 20, x + y + 2z = 9, 3x + 2y + z = 10

BCA1040 - DIGITAL LOGIC

1 Solve each of the following 4-bit subtraction problems using 2's complement representation.

i. (00110)2 – (00101)2

ii. (0111)2 - (0001)2

2 What is difference between minterm and maxterm? Express the following function

F(x,y,z) = (x+z) y in form of minterm and maxterm?

3 Draw truth table for following Boolean function

a) F(x,y) =(x+z)y

b) F(x,y) = xy +xy'

4 Simplify the following Boolean function using k map.

F(A,B,C,D)=∑m(0,2,3,5,6,7,8,10,11,14,15)

5 What are combinational circuits? Explain differences between sequential circuits and combinational circuits.

6 What is the difference between Ring counter and Johnson counter? Explain