SMU BCA SEM 1 WINTER 2014 ASSIGNMENTS

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BCA1010– FUNDAMENTALS OF IT& PROGRAMMING

1 Define 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 formal parameters and actual parameters with example

3 Describe about static and external variables.

4 Distinguish between pass by value and pass by reference with the help of an example.

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 (7p/12)c in degrees

(ii) Prove that (tanq + secq – 1)/(tanq - secq + 1) = cosq/(1- sinq ) = (1+ sinq)/ cosq

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

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

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

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

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

ii. If x+iy= √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 sequential circuits? Explain differences between sequential circuits and combinational circuits.

6 What is difference between Ring counter and Johnson counter?