SEM 1 BSCIT SUMMER 2014 SOLVED ASSIGNMENTS

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SEM 1 BSCIT SUMMER 2014 ASSIGNMENTS

BT0062- Fundamentals of IT

1 Write a short notes on fourth and fifth generation computers

2 Differentiate between primary memory and secondary memory.

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 What is sound multimedia? Explain common sound file formats?

6 What is Internet? What is the use of it Internet in the modern world.

BT 0063- MATHEMATICS FOR IT

1. (i) Let A = {1, 2, 3, 4, 5, 6} and B = {2, 4, 6, 8}. Find A – B and B – A.

(ii) In a group of 50 people, 35 speak Hindi, 25 speak both English and Hindi and all the people speak at least one of the two languages. How many people speak only English and not Hindi ? How many people speak English?

2. (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

3 (i) Define continuity of a point

(ii) Test the continuity of the function f where f is defined by

F(x) = ((X-2)/|(X-2)| if x ¹ 2

( 7 if x = 2

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

5. A bag contains two red balls, three blue balls and five green balls. Three balls are drawn at random. Find the probability that

a) the three balls are of different colours

b) two balls are of the same colour

c) all the three are of the same colour.

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

BT0064, LOGIC DESIGN

1 Add the following 4-bit binary numbers. i. (0110)2 + (0101)2 = (1011)2 ii. (0101)2 + (0101)2= (1010)2 Add the following 8-bit binary numbers iii. (01001110)2 + (00111100)2 = (10001010)2 iv. (10011101)2 + (10001111)2= (100101100)2

2 Draw the symbol for XNOR & X-OR and explain the truth table?

3 What are adders? Explain half adders and full adders with circuit diagrams.

4 What is ring counter? Explain it working with the help of diagram.

5 Explain the concept of resolution in digital and analog multi meters.

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

BT0065, C Programming and Data Structures,

1 Why data types are required in any programming language? Explain in detail the primary data types of C language.

2 Explain the structure of the C program.

3 i. What is recursion?

ii. Differentiate between recursion and iteration.

iii. Write a program to generate Fibonacci series using recursion.

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 What do you mean by binary tree? Explain the storage representations of binary tree.

BT0066, Database Management Systems

1 What do you mean by entity and attributes in E-R diagram?

Explain the importance of E-R diagram.

2 Explain the following terms:

 Relational database schema

 Entity Integrity

 Referential Integrity

 Referential Integrity Constraints

3 What do you mean by indexed sequential file organization? Explain with the help of an example.

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

5 What do you mean by semantics of TRC queries? Give an example of TRC queries.

6 Explain vertical framentation with the help of an example.