Arrays And Strings — Part 2 MCQs with Explanations

Indexing is the correct answer to “What is the term for accessing elements of an array using an index in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

� is the correct answer to “What character is used to terminate a C string”. This question is standard in competitive examination syllabi for Arrays And Strings.

Providing a list of values is the correct answer to “How can you initialize an array in C at the time of declaration”. This question is standard in competitive examination syllabi for Arrays And Strings.

strcat is the correct answer to “Which function is used to concatenate two strings in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

char str[10] = "Hello" is the correct answer to “What is the correct way to declare and initialize a string in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

string is the correct answer to “What is the term for a character array that is used to store text in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

Use the sizeof operator is the correct answer to “How can you find the length of an array in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

strcpy is the correct answer to “Which function is used to copy one string to another in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

arr[n-1] is the correct answer to “How do you access the last element of an array arr with n elements in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

Tokenizes a string is the correct answer to “What does the strtok function do in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

int arr[3][4] is the correct answer to “How do you declare a two-dimensional integer array in C with 3 rows and 4 columns”. This question is standard in competitive examination syllabi for Arrays And Strings.

5 is the correct answer to “What is the result of the expression strlen("Hello") in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

strchr is the correct answer to “Which function is used to find the first occurrence of a character in a string in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

char str[50] is the correct answer to “How do you declare a string in C that can store up to 50 characters”. This question is standard in competitive examination syllabi for Arrays And Strings.

Copy a portion of a string is the correct answer to “What is the purpose of the strncpy function in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

atoi is the correct answer to “Which function is used to convert a string to an integer in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

Stops reading is the correct answer to “What does the fgets function in C do when it encounters a newline character”. This question is standard in competitive examination syllabi for Arrays And Strings.

Use the strcmp function is the correct answer to “How can you check if two strings are equal in C”. This question is standard in competitive examination syllabi for Arrays And Strings.

Theoratically no limit. The only practical limits are memory size and compilers. is the correct answer to “What is the maximum number of dimensions an array in C may have”. This question is standard in competitive examination syllabi for Arrays And Strings.

Address of the first element of the array. is the correct answer to “Array passed as an argument to a function is interpreted as”. This question is standard in competitive examination syllabi for Arrays And Strings.

string is the correct answer to “The function sprintf() works like printf(), but operates on ..........”. This question is standard in competitive examination syllabi for Arrays And Strings.

true is the correct answer to “errno causes trouble in two subtler ways(vague and explicit).”. This question is standard in competitive examination syllabi for Arrays And Strings.

tests for any printing character is the correct answer to “What do the following C function do? int isgraph(int c);”. This question is standard in competitive examination syllabi for Arrays And Strings.

isalnum() is the correct answer to “The . . . . . . . . function tests for any character for which isalpha or isdigit is true.”. This question is standard in competitive examination syllabi for Arrays And Strings.

first group names beginning with str; second group names beginning with mem is the correct answer to “There are two groups of string functions defined in the header <string.h>. What are they”. This question is standard in competitive examination syllabi for Arrays And Strings.

domain is the correct answer to “What error occurs when a result is unde?ned for a given argument value”. This question is standard in competitive examination syllabi for Arrays And Strings.

int strcoll(const char *s1,const char *s2) is the correct answer to “What is the prototype of strcoll() function”. This question is standard in competitive examination syllabi for Arrays And Strings.

length of the transformed string, not including the terminating null-character is the correct answer to “What is the return value of strxfrm()”. This question is standard in competitive examination syllabi for Arrays And Strings.

memcpy() is the correct answer to “Which among the following is Copying function”. This question is standard in competitive examination syllabi for Arrays And Strings.

isupper() is the correct answer to “Which function tests for any character that is an uppercase letter.”. This question is standard in competitive examination syllabi for Arrays And Strings.

true is the correct answer to “No library function will store a zero in errno.”. This question is standard in competitive examination syllabi for Arrays And Strings.

isxdigit() is the correct answer to “The . . . . . . . . function tests for any hexadecimal-digit character.”. This question is standard in competitive examination syllabi for Arrays And Strings.

tests for any control character is the correct answer to “What does the following C code do? int iscntrl( int c);”. This question is standard in competitive examination syllabi for Arrays And Strings.

strchar() is the correct answer to “Which of the given function is used to return a pointer to the located character”. This question is standard in competitive examination syllabi for Arrays And Strings.

find last occurrence of c in char s[ ]. is the correct answer to “What will the following C code do? char * strrchr(const char *s, int c ) char ch = c; char *sc; for(sc = NULL; ; ++s) if(*s == ch) SC = 9; i f (*s =='\O' ) return (( char *) s);”. This question is standard in competitive examination syllabi for Arrays And Strings.

islower() is the correct answer to “Which function returns true only for the characters defined as lowercase letters”. This question is standard in competitive examination syllabi for Arrays And Strings.

strlen() is the correct answer to “The . . . . . . . . function returns the number of characters that are present before the terminating null character.”. This question is standard in competitive examination syllabi for Arrays And Strings.

strncat() is the correct answer to “The . . . . . . . . function appends not more than n characters.”. This question is standard in competitive examination syllabi for Arrays And Strings.

The substring is:world is the correct answer to “What will be the output of the following C code? const char str1[10]="Helloworld"; const char str2[10] = "world"; char *mat; mat = strstr(str1, str2); printf("The substring is:%s\n", mat);”. This question is standard in competitive examination syllabi for Arrays And Strings.

ch = 0xC is hexadecimal character is the correct answer to “What will be the output of the following C code? char ch[ ] = "0xC"; if(isxdigit(ch[ ])) printf("ch = %s is hexadecimal character \n",ch); else printf("ch = %s is not hexadecimal character \n",ch);”. This question is standard in competitive examination syllabi for Arrays And Strings.