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Thursday, 4 June 2015

Computer Concepts & C Programming Techniques -Model question paper for B.E/B.Tech Engineering



1(a) With the help of a neat schematic diagram, explain the different functional units of a digital computer. (8 Marks)
(b) Explain Von-Newman Concept. (4 Marks)
(c) How does speech recognition system work? What are the advantages and disadvantages? (4 Marks)
(d) What are the differences between impact and non-impact printers. (4 Marks)
2(a) What is flash memory? How it works? What are the advantages? (6 Marks)
(b) What is a port? What are the various types of ports? (4 Marks)
(c)  What are volastile and nonvolatile memories? Give two examples for each. (6 Marks)
(d) What is an operating system? Mention some examples. (4 Marks)
3(a) What is network media? What are the various types of transmission media? (6 Marks)
(b) With the help of an example, illustrate how e-mails are sent and received. (6 Marks)
(c)  Write an algorithm to find whether a given number is prime or not. (4 Marks)
(d) What is a flowchart? What are the symbols used while writing the flowchart? (4 Marks)
4(a) What is a string constant? What is the difference between a character and string containing a single character. (6 Marks)
(b) What are identifiers? What are the rules to be followed to frame an identifier? (4 Marks)
(c)Write an algorithm, flowchart and program to find the vume and surface area of a cube. (10 Marks)
5 (a) With an example explain getchar() and putchar() functions. (6 Marks)
(b) What is the difference between scanf and gets while reading a string? (4 Marks)
(c) What is goto statement? When it can be used? It is not recommended to use the goto statements. Why? (6 Marks)
(d) What is a control statement? What are the various types of control statements available in C language? (4 Marks)
6 (a) Write an algorithm and C program to reverse an integer and check whether it is palindrome or not. Output the given number with suitable message. Draw the flowchart for the same. (10 Marks)
(b) Write a C program to simulate the working of a calculator with addition, subtraction, multiplication and division. Use switch statement. (10 Marks)
7 (a) Write a C program to check for an item in an array of n elements using linear sequential search. (10 Marks)
(b) Write a C program to multiply two given matrices A, B and store the result in C. (10 Marks)
8(a) What are the elements of user-defined functions? Explain. (5 Marks)
(b) Write a function to sort the given elements using bubble sort. (6 Marks)
(c)  What is function declaration or function prototype? (4 Marks)
(d) Write functions to find mean, variance and standard deviation. (5 Marks)

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