- Hello
- H
- Some address will be printed
- None of these.
0 Answers
What is the result of compiling and running this code main() { char string[] = "Hello World"; display(string); } void display(char *string) { printf("%s", string); }?
Answer: Option 2 Compiler Error : Type mismatch in redeclaration of function display As the function display() is not defined before use, compiler will assume the return type of the function...
1 Answers 9 views
What number would be shown on the screen after the following statements of C are executed char ch; int i; ch = 'G'; i = ch-'A'; printf("%d", i);?
Answer: Option 2 Since the ASCII value of G is 71 and the garbage value if A is 65 and hence the difference is 6.
1 Answers 2 views
What will be the output of the following PHP code <php define("GREETING","Hello you! How are you today"); echo constant("GREETING"); >?
Answer: Option 1 The define() function defines a constant.
1 Answers 1 views
What will be printed after execution of the following program code main() { printf("\\nab"); printf("\\bsi"); printf("\\rha"); }?
Answer: Option 4 \\n - newline - printf("\\nab"); - Prints 'ab' \\b - backspace - printf("\\bsi"); - firstly '\\b' removes 'b' from 'ab ' and then prints 'si'. So after execution...
1 Answers 2 views
What will be the following code's output if choice = 'R' switch(choice) { case 'R' : printf("RED"); case 'W' : printf("WHITE"); case 'B' : printf("BLUE"); default : printf("ERROR");break; }?
Answer: Option 2 As the first option is matching, the cases are evaluated till the break statement is encountered or end of switch statement is encountered.
1 Answers 4 views
What will happen after compiling and running following code main() { printf("%p", main); }?
Answer: Option 3 Function names are just addresses (just like array names are addresses). main() is also a function. So the address of function main will be printed. %p in printf...
1 Answers 4 views
What will be printed after compiling and running the following code main() { char *p; printf("%d %d",sizeof(*p), sizeof(p)); }?
Answer: Option 2 The sizeof() operator gives the number of bytes taken by its operand. p is a character pointer, which needs one byte for storing its value (a character)....
1 Answers 1 views
What will be the output of the following PHP code <php # echo "Hello world"; echo "# Hello world"; >?
Answer: Option 1 # is a single line comment.
1 Answers 1 views
What will be the output of the following PHP code <php $hello = "Hello World"; $bye = "Bye"; echo $hello;"$bye"; >?
Answer: Option 1 Since there is a semi-colon in between $hello and $bye, the line ends at $hello. However $bye would have printed if a echo was present before “$bye”.
1 Answers 1 views
What will be the output of the following PHP code Say your previous session username was nachi. <php unset($_SESSION['username']); printf("Username now set to: %s", $_SESSION['username']); >?
Answer: Option 3 To delete the session variable ‘username’ we use the unset() function.
1 Answers 1 views