40 Questions
What does the precedence of operators determine?
Which operator will be evaluated first
In the expression int value = 10+20*20, why does the variable 'value' contain 210?
Multiplication is evaluated before addition
What is the main purpose of the Arithmetic Operators?
Perform mathematical operations
Which category of operator includes the unary operators +, -, and !?
Postfix Operators
What is the purpose of the Plus operator (+) in C?
To add two given operands
What is the result of the operation 20 / 4 * 2 + 5?
15
In C programming, which operator is used for logical OR?
||
What is the output of the code snippet if num1 = 30 and num2 = 50?
The value of num2 is greater than num1
What will the code snippet output if a = 10 and b = 20?
Both values are less than 0
Which assignment operator is equivalent to A = A + B?
+=
What is the output when using the post increment operator on variables x, y, and z with initial values 10, 15, and 20?
The updated value of x: 11, updated value of y: 16, updated value of z: 21
What is the purpose of the decrement operator?
Decrease the original value by 1
In the context provided, what do pre increment and post increment operators have in common?
Both increase the value before assigning it
What is the correct syntax for the post decrement operator?
X = A--
When using pre decrement operator on variables x=10, y=8, and z=6, what will be the updated values?
Updated value of x = 9, updated value of y = 7, updated value of z = 5
What does the sizeof() operator in C do?
Calculates the size of a variable in bytes
In C arithmetic expressions, what are the unary operators used for?
Operating on a single operand
What characterizes a valid arithmetic expression in C?
Correct usage of operators with operands
How is the value of an arithmetic expression determined in C?
By following operator precedence and associativity rules
What is the purpose of evaluating an arithmetic expression step by step in C?
To determine the value of the expression systematically
What is the output of the program when entering x = 6, y = 12, and z = 18?
Updated value of x = 5, Updated value of y = 11, Updated value of z = 18
What is the purpose of the Bitwise AND operator in C?
Returns 1 if both corresponding bits are 1; otherwise, returns 0.
What is the output of the program using the Bitwise OR operator with a=23 and b=10?
The output of the bitwise operator a|b is 31
What does the Bitwise exclusive OR operator do?
Returns 1 if both corresponding bits are 1; otherwise, returns 0.
What is the purpose of the One's complement operator in C?
Performs negation on the bits of an operand.
What is the first step to determine operator binding in an arithmetic expression?
Scan the expression from right to left and bind unary operators first
What is the next step after binding unary operators in the operator binding process?
Bind multiplicative operators from left to right
Why is the expression -a+ b * c - d I e + f considered valid according to the text?
It follows the correct order of scanning for each operator type
In C programming, what is the purpose of the 'getchar()' function?
Read a single character from the keyboard
What does 'putchar()' function do in C programming?
Display character values on screen or console
What is the purpose of the 'putchar' function in C?
To write a single character to the standard output
Which function is used to read a single string from the keyboard in C programming?
gets()
What is the difference between 'gets' and 'puts' functions in C?
'gets' reads a string while 'puts' displays a string
Which format specifier is used for reading an integer value in C?
%i
What does the 'printf' function in C do?
Displays values on the console screen
Which function is used for reading values from the keyboard in C?
scanf()
What is the purpose of the 'sprintf' function in C?
To store formatted output in a string
Which format specifier is used for reading a decimal floating-point value in C?
%f
'&' operator is used in which function to store variable values in memory locations?
'scanf'
'%c' format specifier in C is used for which type of data?
Character data
Learn about the various types of operators used in C language, including arithmetic, relational, shift, logical, bitwise, conditional, assignment, and miscellaneous operators. Explore the concept of operator precedence.
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