nielit.gov.in O Level Old Question Paper July 2019 : Programming & Problem Solving Through ‘C’ Language

Organisation Name : National Institute of Electronics & Information Technology – NIELIT
Examination : O Level Course Examination
Document Type : Old Question Paper
Year : July 2019
Subject Name : Programming and Problem Solving Through ‘C’ Language
Subject Code : M3-R4
Website : https://www.nielit.gov.in/

NIELIT O Level M3 Question Paper

Question Paper of O Level Course Examination Programming and Problem Solving Through ‘C’ Language subject Question Paper July 2019 is now available in the official website of Directorate Of Economics And Statistics.

Related / Similar Posts :
NIELIT O Level Course Programming & C Language Question Paper 2012, 2013, 2014

Part One

1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein.

1.1 Which of the following is a keyword used for a storage class ?
(A) printf
(B) external
(C) auto
(D) scanf

1.2 Which pair of functions below are used for single character I/O ?
(A) getchar( ) and putchar( )
(B) scanf( ) and printf( )
(C) input( ) and output( )
(D) None of these

1.3 What is the output of below program ?
void main( ){
char*p=”Hello world”;
int*q;
p++;
q = (int*)p;
q++;
printf(“\n%s\n%s”,p,q); }
(A) ello world
Ello world
(B) Compiler error
(C) lo world
lo world
(D) ello world
world

1.4 Which of the following is a Scalar Data type ?
(A) Float
(B) Union
(C) Array
(D) Linked list

1.5 Header files in C contain
(A) Compiler commands
(B) Library functions
(C) Header information of C programs
(D) Operator for files

1.6 What is the binary number equivalent of the decimal number 12 ?
(A) 1100
(B) 1010
(C) 1001
(D) 1110

1.7 Pointers are of
(A) integer data type
(B) character data type
(C) unsigned integer data types
(D) none of these

1.8 In C, if you pass an array as an argument to a function, what actually passed ?
(A) Value of elements in array
(B) First element of the array
(C) Base address of the array
(D) Address of the last element of array

1.9 Which of the following fopen( ) statements is illegal in C ?
(A) fp = fopen(“abc.txt”, “r”);
(B) fp = fopen(“c:/user1/abc.txt”, “w”);
(C) fp = fopen(“abc”, “w”);
(D) none of the mentioned

1.9 Which one of the following is not a keyword in C language ?
(A) main
(B) endl
(C) float
(D) switch

2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and ENTER in the “OMR” answer sheet supplied with the question paper, following instructions therein.

2.1 Array int a[5] can be used to store five character a, b, c, d and e into it.
2.2 C language was initially designed and developed at Microsoft Corporation of USA.

2.3 A semicolon must be placed after closing the conditional expression in a do-while construct.
2.4 Ternary expression is a selective control construct.

2.5 All the functions, except main( ) function do not execute on their own, they require a calling function.
2.6 Recursive call is not allowed for main( ) function.

2.7 A structure cannot contain the structure itself as its member.
2.8 Pointers to pointers is a term used to describe pointers whose contents are the address of another pointer.

2.9 In C, there is a function name strcat( ) used to concatenate two strings.
2.10 Values of predefined macros can be printed using printf statement in C program.

3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in the “OMR” answer sheet supplied with the question paper, following instructions therein.

4. Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. Choose the most appropriate option, enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein.

4.1 C language is well suited for __________ programming.
4.2 An __________ storage class can be used to declare global variable known to all the functions in the file.

4.3 __________ function can be used to read a single character.
4.4 The operator “++” is known as __________ operator.
4.5 The __________ operator can be used to allocate memory space dynamically to variables during execution of a program.

4.6 A __________ variable points to another pointer.
4.7 A function with no return type is declared as __________ .

4.8 A function prototype is always terminated by __________ sign.
4.9 When a structure is passed to a function, then it should pass by __________.
4.10 The conditional operator (?:) is a __________ operator.

Download O Level M3 Question Paper :
https://www.pdfquestion.in/uploads/pdf2019/34782-M3.pdf

Part Two

5. (a) What do you mean by pre-processor directives ? List and explain its different categories.
(b) List out the advantages of functions in C. Also write a function to find second largest number from 1D array of n numbers.
(c) What is the recursive function ? List out their merits and demerits. Also write a C program to calculate factorial of a number using recursion.

6.(a) Write a C Program using function to print equivalent binary number of decimal number input by keyboard.
(b) What do you mean by algorithm ? Also write the algorithm to find multiplication of two matrices.
(c) Differentiate between the following
(i) Function definition and function declaration
(ii) Actual parameter and formal parameter

7. (a) Write a C Program to print and count all numbers between 1 to 100 divisible by 11.
(b) What is difference between pass by value and pass by reference with example ?
(c) Write a C program to swap values of two variables without using temporary variable.

8. (a) Write a C language program to copy the contents of one file to another file.
(b) What is command line argument ? Give example through ‘C’ program.
(c) What do you understand by ‘pointer to function’ ? Explain it using an example.

9. (a) What do you mean by linked list ? Write a function in C to delete a node at particular position from linked list.
(b) Differentiate between do-while loop and while loop with the help of one example for each.