CMR College of Technical Campus Kandlakoya (v), Medchal Road, Hyderabad Department of Computer Science

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1 UNIT-1 1) Explain the functions of the following: a) Preprocessor b) Compiler c) Linker d) Assembler e) Interpreter f) Loader 2) Define the following a) Program b) Token c) Syntax d) Identifier e) Constant 3) Define flowchart? Explain symbols of various flowcharts? Draw flowcharts for following tasks a) Roots of a quadratic equation c) Given no is prime or not b) Given no is perfect or not d) switch using Arithmetic operators. 4) Describe various categories of computing environments? 5) Discuss in detail the program execution steps? 6) What is the general structure of a C program? 7) List the basic data types, their sizes and range of values supported by C language? 8) Explain the following operators with illustrative example? a) Ternary operator b) Unary Operators c) Relational Operators d) Bitwise Operators 9) Define type casting? Explain different types of type cating with examples? 10) Define looping? Explain looping with syntaxes and their differences? 11) Explain selection statements(if,switch) with syntaxes and example programs? 12) Explain block diagram of computers with neat diagram? 13) Explain break & continue statements with example program? 14) Define Expression? Explain different types of expressions and order of evaluation for following expression? w = x%y + y*x z/x x^y

2 UNIT-II FUNCTIONS 1) What is function? Explain user defined functions & pre defined functions with basic program? 2) Explain various categories of function to find factorial of a given number? 3) Explain parameter mechanism to implement CALL BY VALUE & CALL BY REFERENCE? 4) Define Recursive Function? Write a C program to find HCF using recursion? 5) Define pre-processor? Explain following pre-processor commands with example programs? a) header files b) file inclusion pre-processor c) macro pre-processor d) condional and compilation pre-processor. 6) Explain briefly about storage classes? ARRAYS 1) Define Array? Syntax to declare Array & Array initialization,memory allocation in array and how to access array elements in both 1D & 2D arrays? 2) Write a c program to pass array as argument to functions to find sum of array elements? 3) Explain multi dimensional array with neat diagram? 4) Explain two dimensional array?write code for matrix multiplication? 5) Explain one dimensional array?write c code to implement binary search? 6) Explain one dimensional array?write c code to implement bubble sort? 7) Write a c program to find max and min values in array list? 8) Define Array and types of arrays,list out applications of array?

3 UNIT III POINTERS 1) Define pointer? write syntax,initialization and pointer accessing? 2) Difference between array and pointers? explain advantages of using pointers over array and its applications? 3) Write short notes on pointer operators? 4) Write short notes on pointer to pointer and pointer Arithmetic, void pointer? 5) Difference between static memory and dynamic memory allocation? 6) Write short note on memory allocation functions and their syntaxes? 7) Write a C program to demonstrate passing pointer as an argument to function? 8) Explain the following concepts with basic program. a) Array of pointers b) Pointer to array? STRINGS 1) Define string?syntax to declare string,string initialization and displaying string? 2) Program to demonstrate pointer using strings? 3) Explain various string handling functions and their arguments? 4) c program to combine two strings with out using pre-defined function strcat() 5) c program to insert sub sting in main string at specified index position. 6) c program to convert upper cases to lower case letters? 7) c program to extract portion of a string data. 8) Explain string conversion functions with example program? 9) Write short notes on string input/output functions?

4 UNIT IV STRUCTURES 1) Define structure? syntax, initialization, accessing and memory allocation? 2) C program to pass structure as an argument to function? 3) Explain the following concepts with basic program. a) Array of structure b) Pointer to structure 4) Difference between structure and union? 5) C program to add two complex no s by passing structure to a function? 6) C program to create student structure (sno,name,6 subject marks,total) and display the student information by assinging grades. 7) Write short notes on enum,typedef and bit fields? 8) What are command line arguments and explain with basic program? 9) Define self referential structure and its syntax format? FILES 1) Define file? Explain text file and binary files? 2) Explain various file modes? 3) Define stream? explain different types of streams with neat diagrams. 4) Explain following functions and their arguments. a) Random Access functions (or) File position functions(fseek, ftell,rewind) b) File Character I/O functions(fgetc,fputc) c) Blocked I/O functions (fread,fwrite) d) Formatted I/O functions(fprintf, fscanf) 5) C program to count no.of characters, words, lines in a file, 6) C program to merge 2 files in to 3 rd file? 7) C program to convert file upper case letters to lower case?

5 UNIT V SEARCHING & SORTINGS 1) Difference between linear search & binary search? 2) Algorithm to implement binary search? 3) Explain bubble sort procedure for the following elements ) C program to implement selection sort using functions 5) C program to implement binary search using functions? DATA STRUCTURES 1) Difference between stack and queue? 2) Define stack? Explain stack operations and its applications? 3) Define Linked List? Expalin Linked List operation and its applications? 4) C code to implement queue data structure?