C Programming Multiple Choice Quiz

C Programming Multiple Choice Questions

• The developer of the C programming language is Dennis Ritchie.
• C was developed in 1972.
• C is a middle-level programming language.
• C is available for all operating systems including DOS, Unix, and Windows.
• The # symbol is used for pre-processor statements in C.
• Float is a scalar data type in C.
• Tokens in C include keywords, variables, and constants.
• The valid range of the int data type is -32768 to +32767.
• The ; symbol is used to terminate a statement in C.
• The \n escape sequence character is a line terminator in C.
• The \a escape sequence character is used to beep from the speaker in C.
• Character constants are enclosed between single quotes.
• String constants are enclosed between double quotes.
• ‘abc’ is an invalid character constant in C, as it contains multiple characters.
• The maximum length of a variable in C is 32 characters.
• The maximum size of a float variable is 4 bytes.
• The maximum size of a double variable is 8 bytes.
• A declaration of float a; double b; occupies 12 bytes of memory (4 bytes for float & 8 bytes for double).
• The size of a string variable is not specific and depends on the length of the string.
• a+=10 is an example of a compounded assignment statement in C.
• The && operator is used for logical comparison in C.
• The & operator is used for bitwise AND in C.
• The equality operator is represented by == in C.
• Operator precedence determines the order in which operators are evaluated first in C.
• The bitwise AND operator is used for masking in C.
• The % operator is used for modulo (remainder) in C.
• The associability of the = operator is right to left in C.
• The () operator has the highest priority in C.
• The || operator has the lowest priority in C.
• Integer division in C truncates the fractional part.
• ?: is a Ternary Operator.
• (data type) is a type casting operator.
• Explicit type conversion is also known as casting.
• a+=4 is equivalent to a=a+4.
• p++ executes faster than p=p+1 because it is a single instruction.
• C Library functions provide input/output (I/O) facilities.
• Header files in C contain library functions.
• getchar() and putchar() are used for single character I/O.
• printf() returns a negative value when an error occurs.
• putchar(“x”) is an invalid statement in C because it attempts to pass a string to the putchar() function, which is designed for single characters.
• An ampersand (&) in scanf() before a variable name denotes the address of the variable.
• Symbolic constants can be defined using #define.
• The null character is represented by \0.
• The string.h header file is essential for using the strcmp() function.
• malloc() is available in the stdlib.h header file.
• ctype.h contains testing and conversion character functions.
• C supports three looping statements: for, while, and do-while.
• A statement differs from an expression by terminating with a semicolon (;).
• goto is an unconditional control structure.
• auto is a keyword used for storage class.
• a represents a character in C language.
• There are 7 arithmetic operators: + - * / % ++ --.
• There are 32 keywords available in C.
• The advantage of a UNION over a STRUCTURE is memory storage.
• The maximum number of elements in the array declaration int arr; is not specified and depends on the compiler.
• Array subscripts in C always start at 0.
• *int ptr; is the correct way to declare a pointer.
• 17.23 is the output of printf(“2.3f\n”,17.23478).
• The values will be 5, -6 for floor(5.8) and floor(-5.8), respectively.
• 107 is the value of X.
• The output of the program is 91.
• The output of the program is 12.
• A Binary operator applies to two operands while an Unary operator applies to a single operand.
• A variable is a place where we can store data, and the size of an INT is 16 bits.
• Variables can consist of letters, numbers, and underscores. You cannot use keywords.
• The output of the program is: "India is my Country".
• The output of the program is: "India is my Country!!".

Test your knowledge on the fundamentals of C programming with this multiple-choice quiz. Covering topics from data types to syntax rules, this quiz is perfect for beginners and those looking to refresh their understanding of C. Challenge yourself and see how well you know this essential programming language!