www.gauhati.ac.in University TDC Computer Science : Model Question Paper

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Document Described : Gauhati University - Model Question Paper
Major Course in Computer Science
(TDC semester 1)
Paper : M101
Introduction to Computer Fundamentals and Programming

Model Question List : http://www.gauhati.ac.in/home/tdc_model_question.htm
Model Question Paper : http://www.gauhati.ac.in/home/modelq...Paper-M101.pdf

1. Fill in the blanks: 1x7=7
(a) An example of a secondary storage device is ---------------
( answer: HDD, FDD, CD, Pen Drive, Magnetic Tape etc).
(b) The 2's complement representation of -5 using 8 bits is
(answer: 11111011).
(c) In hexadecimal system the decimal number 138 is represented as ----------------
(answer: 8A)
(d) Number of times the following for loop will be executed is -------------------
for (i=1; i<10; i+=2)
printf(“%d”,i);
(answer: 5)
(e) The maximum integer that can be represented in 2's complement representation using 8 bits is ---------------------
(answer : 127)
(f) What is the type of the variable fp if the following statement is used in a program?
float *fp; (answer: pointer to floating point number)
(g) Consider the following code
int a[10];
int *i=&a[2];
i+=2;
after the execution of the above two statements to which number will the pointer i point
to?
(answer: it will point to a[4])
2. Write short answers: 2 x 4 = 8
(a) What happens during the bootstrapping of a computer?
(b) Draw a flow chart to find the maximum of 3 numbers.
(c) Carry out the following operation using 2's complement arithmetic with 8 bits.
120+12.
Indicate overflow if any.
(d) Give examples of two standard C library functions stating their use.

3. Answer any 4 questions 5 x 4 = 20
(a) Write a function to return the GCD of two positive integer numbers.
(b) Write a recursive function to return n! for non-negative integer n.
(c) By writing the statements only show the use of the break statement in C
(d) Describe how 2-dimmensional arrays are represented in memory.
(e) Write down the statement only to declare a structure to store the following information for each student in a College.
Name of the student, Roll_No, Date of Birth, year of admission. Write down the statements to read and then store the information about n such students.
(f) What is dynamic memory allocation? Name the library functions that are used in C to allocate and release memory space dynamically. Write appropriate statements to demonstrate their use.

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