SMU BCA SEM 1 FALL 2014 ASSIGNMENTS

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SMU BCA SEM 1 FALL 2014 ASSIGNMENTS

BCA1010– Fundamentals of IT& Programming

1 Write a note on the following

a) Optical Character Readers (OCR)
b) Laser printer

2 Explain the two types of terminals used with mainframe systems?

3 Explain about Linux operating system.

4 List any five characteristics of an object-oriented design (OOD).

5 List the five major activities of an operating system in regard to process management.

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 Differentiate x w.r .t.x sinx 10 10

Prove that the set Z4 = {0, 1, 2, 3} is an abelian group w.r.t. addition modulo 4.
Find the sum to ………

4 !

3.6.7

3 !

2.4.5

2 !

1.2.3

+ + +

One third of the students in a class are girls and the rest are boys. The probability that a girl gets a first class is 0.4 and that of a boy is 0.3. If a student having first class is selected, find the probability that the student is a girl.
Evaluate

x sin x dx 2 1- ò

The mean and standard deviation of 63 children on an average test are respectively 27.6 and 7.1. To them are added a new group of 26 who have less training and whose mean is 19.2 and standard deviation is 6.2. How will the value of combined group differ from those of the original 63 children as to mean and standard deviation?

BCA1040 – DIGITAL LOGIC

1 Convert the following:

i) (0100 1111 1011 0010)2 to octal number and decimal number
ii) (6704)8 to decimal and binary number

2 Construct the following gates using NOR gates.

a)XOR b) NAND c) XNOR

3 Simplify the following truth table using k-map and find the reduced function f(x,y,z).

x y z f(x,y,z)

0 0 0 1

0 0 1 1

0 1 0 1

0 1 1 1

1 0 0 0

1 0 1 0

1 1 0 1

1 1 1 1

4 Draw the truth table of full adder and implement it using the logic gates.

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

6 What are shift registers? Explain serial in serial out shift register.