SMU BSCIT SEM 1 SUMMER 2015 ASSIGNMENTS

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SMU BSCIT SEM 1 SUMMER 2015 ASSIGNMENTS

BT0062- Fundamentals of IT

1 Define gate and explain OR, AND, NOT gates.

2 Compare:

i. Multi-user and Single-user Operating Systems.

ii. Multi-tasking and Single-tasking Operating Systems.

3 What is cache memory? Explain the importance of cache computer memory.

4 Write the steps to insert one or more columns and one or more cells in MS Excel.

5 Explain different parts of Power Point Window.

6 What is the importance of graphics multimedia? Explain the two types of graphics.

BT0063, MATHEMATICS FOR IT

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

BT0064, 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

BT0065, C PROGRAMMING AND DATA STRUCTURES – THEORY

1 Explain the structure of the C program.

2 Explain bubble sort with the help of an example

3 What is structure? What is its importance? Explain with an example how to declare and initialize structure.

4 What do you mean by dynamic memory allocation? Explain the three functions for dynamic memory allocation in C language.

5 Write C program to implement stack using arrays.

6 Write an algorithm for selection sort. Sort the list given below in ascending order by using this sorting technique. 64 , 25, 12, 22 , 11.

BT0066, Database Management Systems

1 Draw and explain the diagram of SQL server 2000 architecture.

2 Why relational data model is important? Explain the terms relation and tuple.

3 What is the system catalog in RDBMS? Also explain what information is stored in the system catalog.

4 Explain semantics of TRC queries with examples.

5 Explain data fragmentation with an example.

6 Describe the approaches for incorporating object orientation capabilities in databases.