Visvesvaraya Technological University (VTU) 2006 B.E Computer concepts and c-programming - Question Paper

ans any 5 full ques. choosing atleast 1 from part-A.
PART-A
1.a)explain briefly the different generations of computer.(6marks)
b)Distinguish ranging from primary and secondary memory with examples.(6marks)
c)A disk pack has 800tracks per surface.There are 24sectors per track and 512bytes per sector.
¤what is the storage capacity of 1 surface?
¤what is the storage capacity of the disk pack?(8marks)

2.a)what is an operating system?name any 3 common operating systems that are currently used.(6marks)
b)explain through examples the use of wild cards in DOS and UNIX.(6marks)
c)give brief explaination of the following:
¤electronic mail
¤www
¤LAN
¤URL (8MARKS)

PART-B
3.a)explain the meaning of a flow chart with an example to solve a provided quadratic formula.(10marks)
b)differentiate ranging from keywords and identifiers.give 2 examples for every (6marks)
c)explain briefly about the header file available with c.(4marks)

4.a)explain assignment statement.how is it various from algebraic expression?substantiate with examples.(4marks)
b)identify the wrong expressions from the subsequent expressions and obtain the values of accurate expressions.take int i=4,j=2,k=6,a=2,n=8;
P=++-K;
a=-++k/2;
m=++i--k;
a=2b++;
K=i++ + ++j;
-- i ++; (6marks)
c) discuss the formatted input/output statements used to input character and float variables ,with examples.(10marks)

5.a)explain the control statements with examples.(6marks)
b)explain the unbuffered input and output functions that are used to input/out a character.(4marks)
c)write a c program to obtain the grade of steel samples considering the subsequent conditions:
¤tensile strength >=700kgf/cm^2.
¤rockwell hardness>=200
¤carbon content<= 6%.(10marks)

6.a) compare while loop and do-while loop.give 1 example.(6marks)
b)write a program by using for loop to evaluate the series: sum=x-x^3/3!+x^5/5!-x^7/7!..........x^n/n! (10marks)
c)how are 2 dimensional array initialized?explain with example(4marks)

7.a)write a program to input 5 numbers through the keyborad.compute and display the sum of even numbers and product of odd numbers.(10marks)
b)describe the 2 ways of passing parameters to functions.when do you prefer to use every of them?give examples.(10marks)

8.a)write a program that would sort a list of names in alphabetical order.(12marks)
b)write a program to display the value of variable and its location using pointer.(8marks)

Earning:   Approval pending.