C Language Operators Quiz

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What does the term 'operator' refer to in programming?

A data type in C programming

An operand used in calculations

A value that performs operations

A symbol used to perform operations (correct)

In the expression int value = 10+20*20;, why is the value 210?

Multiplicative operator has higher precedence than the additive operator (correct)

Additive operator has higher precedence than the multiplicative operator

Precedence of operators does not matter in this expression

The value should have been 400

Which type of operation does the minus (-) operator perform?

Increment

Multiplication

Subtraction (correct)

Division

What does the modulo (%) operator do in arithmetic operations?

Calculates the remainder of division Signup and view all the answers

Which operator is used to increment a variable by 1 in C programming?

++ Signup and view all the answers

What is the primary purpose of a logical operator in programming?

Control flow based on conditions Signup and view all the answers

What is the purpose of the printf() function in C?

To print values on the console screen Signup and view all the answers

Which function is used to read values from the keyboard in C?

scanf() Signup and view all the answers

In C programming, what does the '&' symbol represent in scanf() function?

It is the address-of operator for memory location Signup and view all the answers

What is the purpose of the sprintf() function in C?

To store string data in memory locations Signup and view all the answers

Which function reads data from a string or character array instead of the console screen in C?

sscanf() Signup and view all the answers

What is the purpose of the scanf() function in C?

To read values from the keyboard Signup and view all the answers

What is the purpose of the getchar() function?

To read a single character from the keyboard and store it Signup and view all the answers

What is the main difference between the getchar() and putchar() functions?

getchar() reads characters while putchar() writes characters Signup and view all the answers

Which function is used to read a single string from the keyboard in C?

Gets(String) Signup and view all the answers

In C programming, what does scanf() do?

Reads input from the standard input stream and scans it according to the provided format Signup and view all the answers

What does the 'int printf(const char *format,...)' function do?

Writes output to the standard output stream based on the provided format Signup and view all the answers

What does a '%f' format specifier represent in C?

Decimal floating-point value Signup and view all the answers

Which function is used to display a string on the screen or console in C?

Puts(str) Signup and view all the answers

'%ld' format specifier in C is used for which data type?

Long int Signup and view all the answers

Which function is used to read a single character from the keyboard and store it?

Getchar() Signup and view all the answers

What does the 'int i;' variable hold in this line of code: `scanf("%s %d", str, &i);`?

An integer value stored by reference Signup and view all the answers

In C language, how are the corresponding bits of two operands treated in the bitwise AND operation?

If both bits are 1, the output is 1; otherwise, it is 0 Signup and view all the answers

What is the purpose of the sizeof operator in C?

To determine the memory space allocated for C data types Signup and view all the answers

Which operator in C is used for bitwise exclusive OR operations?

^ Signup and view all the answers

What does the comma operator do in C programming?

Links related expressions together Signup and view all the answers

Which type of expression contains only arithmetic operators and operands?

Arithmetic expression Signup and view all the answers

What does the unary minus (-) operator do in C?

Acts as a prefix operator for negation Signup and view all the answers

How are binary expressions evaluated in C?

From left to right Signup and view all the answers

What is the output when a bitwise OR operation is performed on two operands with bit values 1 and 0?

1 Signup and view all the answers

'A' + 2 evaluates to which value in C?

67 Signup and view all the answers

What is the first step to convert a valid C expression to its mathematical form and evaluate it?

Apply precedence and associativity rules Signup and view all the answers

Which operator in the given expression has the highest precedence?

<ul> <li></li> </ul> Signup and view all the answers

What is the associativity of multiplicative operators in the expression?

Left-to-right Signup and view all the answers

How are sub-expressions treated after an operator is bound to their operands?

Treated as a single operand Signup and view all the answers

Which step is crucial in converting a complex C expression to a mathematical equation?

Determining operator binding sequence Signup and view all the answers

What is the main concern with the expression -a-+ -b++ * -c?

Invalid due to excessive use of operators Signup and view all the answers

Which type of associativity do additive operators have?

Left-to-right Signup and view all the answers

What are the first set of operators scanned in the given expression?

-, ++, -- Signup and view all the answers

In which order are multiplicative operators scanned in the expression?

From left-to-right Signup and view all the answers

Why are sub-expressions considered as single operands after an operator is bound?

To simplify further evaluations Signup and view all the answers

Which operator precedence determines the order of evaluation of expressions in C programming?

Arithmetic Operators Signup and view all the answers

In C, for the expression 20/4*2, what is the result due to the precedence of operators?

10 Signup and view all the answers

Which associativity describes the direction of evaluation for the unary operators in C?

Right to Left Signup and view all the answers

What is the result of the expression 5 + 5 * 3 - 2 / 2 due to the precedence of operators in C?

17 Signup and view all the answers

In C language, what is the purpose of the Turnery or Conditional Operator?

To assign values based on a condition Signup and view all the answers

Which category of operators includes ++ and -- that are evaluated from left to right in C?

Misc. Operator Signup and view all the answers

What will be the outcome of the expression 3 - 2 + 5 * 6 / 2 according to the precedence of operators in C?

-1 Signup and view all the answers

In C programming, what is the output of a bitwise XOR operation if one of the operands is 1 and the other is 0?

1 Signup and view all the answers

When evaluating an arithmetic expression in C, how does the unary minus operator (-) operate on a single operand?

Negates the operand Signup and view all the answers

For the expression 'A' + 2 in C, what does the value 67 represent?

Character code of 'A' Signup and view all the answers

Which bitwise operator in C is used to check if corresponding bits of two operands are both 1?

& Signup and view all the answers

What is the main purpose of the comma operator in linking expressions together?

Evaluation order Signup and view all the answers

When evaluating valid arithmetic expressions in C, which type of operands can be involved?

Integer and floating-point Signup and view all the answers

For bitwise OR operations in C, what is the output if none of the operands have a bit value of 1?

0 Signup and view all the answers

'sizeof' operator in C is used to determine what aspect of operands?

Size allocated in memory Signup and view all the answers

In the expression -a+ b * c - d I e + f, which operators have the next highest precedence after the unary operators?

Additive operators Signup and view all the answers

For the expression -a-+ -b++ * -c, what is the primary reason it is considered invalid?

Excessive use of unary operators Signup and view all the answers

If the expression -a+ b * c - d I e + f is evaluated starting from left-to-right, what will be the first set of operands for the binary operators?

-a+ b * c Signup and view all the answers

Considering the expression -a-+ -b++ * -c, what is the associativity of the additive operators used in this context?

Left-to-right Signup and view all the answers

What is the order of evaluation specified for sub-expressions at the same level in C expressions?

No specified order Signup and view all the answers

When evaluating expressions, which type of operator has the highest precedence?

Multiplicative operators Signup and view all the answers

In C, how are sub-expressions treated after an operator is bound to their operands?

They are considered as single operands for adjacent operators Signup and view all the answers

Assuming a=1.5, b=2.5, and c=3.5, what would be the result of evaluating the expression a+b*c?

$8.75$ Signup and view all the answers

What is the purpose of the sprintf() function in C?

Prints a string into a character array Signup and view all the answers

Which function is used to store the variable value on the memory location of that variable in C?

scanf() Signup and view all the answers

What does the '%d' format specifier represent in C?

Integer data type Signup and view all the answers

Which function reads data from the string or character array instead of the console screen in C?

sscanf() Signup and view all the answers

'&' symbol in scanf() function is used for what purpose in C?

To store the variable value on memory location Signup and view all the answers

What is the primary difference between sprintf() and printf() functions in C?

sprintf() stores the output in a character array, while printf() prints directly to the screen. Signup and view all the answers

'scanf()' and 'sscanf()' functions in C differ mainly in their:

'&' symbol usage Signup and view all the answers

'sscanf()' function in C reads data from where compared to 'scanf()' function?

String or character array Signup and view all the answers

What is the purpose of the 'sscanf()' function in C?

To read input from a string according to the format provided Signup and view all the answers

What is the primary difference between 'printf()' and 'sprintf()' functions in C?

printf() writes output to the standard output stream whereas sprintf() formats and stores the output in a string Signup and view all the answers

What does the '%n' format specifier do in C?

Prints nothing Signup and view all the answers

In C, what does the 'puts()' function do compared to 'gets()' function?

'puts()' displays a string on the screen while 'gets()' reads a single string from keyboard Signup and view all the answers

What does the '%lf' format specifier represent in C?

Double value for fractional or floating data Signup and view all the answers

How does the 'scanf("%s %d", str, &i);' line in C function?

Scans a string followed by an integer Signup and view all the answers

'getchar()' and 'putchar()' functions are primarily used to perform which operations in C?

'getchar()' reads and 'putchar()' writes character values to the screen or console Signup and view all the answers

'scanf("%s %d", str, &i);' function is primarily used for what purpose in C programming?

Reading one string and one integer from standard input stream Signup and view all the answers

C Language Operators Quiz

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Questions and Answers

What does the term 'operator' refer to in programming?

In the expression int value = 10+20*20;, why is the value 210?

Which type of operation does the minus (-) operator perform?

What does the modulo (%) operator do in arithmetic operations?

Which operator is used to increment a variable by 1 in C programming?

What is the primary purpose of a logical operator in programming?

What is the purpose of the printf() function in C?

Which function is used to read values from the keyboard in C?

In C programming, what does the '&' symbol represent in scanf() function?

What is the purpose of the sprintf() function in C?

Which function reads data from a string or character array instead of the console screen in C?

What is the purpose of the scanf() function in C?

What is the purpose of the getchar() function?

What is the main difference between the getchar() and putchar() functions?

Which function is used to read a single string from the keyboard in C?

In C programming, what does scanf() do?

What does the 'int printf(const char *format,...)' function do?

What does a '%f' format specifier represent in C?

Which function is used to display a string on the screen or console in C?

'%ld' format specifier in C is used for which data type?

Which function is used to read a single character from the keyboard and store it?

What does the 'int i;' variable hold in this line of code: scanf("%s %d", str, &amp;i);?

In C language, how are the corresponding bits of two operands treated in the bitwise AND operation?

What is the purpose of the sizeof operator in C?

Which operator in C is used for bitwise exclusive OR operations?

What does the comma operator do in C programming?

Which type of expression contains only arithmetic operators and operands?

What does the unary minus (-) operator do in C?

How are binary expressions evaluated in C?

What is the output when a bitwise OR operation is performed on two operands with bit values 1 and 0?

'A' + 2 evaluates to which value in C?

What is the first step to convert a valid C expression to its mathematical form and evaluate it?

Which operator in the given expression has the highest precedence?

What is the associativity of multiplicative operators in the expression?

How are sub-expressions treated after an operator is bound to their operands?

Which step is crucial in converting a complex C expression to a mathematical equation?

What is the main concern with the expression -a-+ -b++ * -c?

Which type of associativity do additive operators have?

What are the first set of operators scanned in the given expression?

In which order are multiplicative operators scanned in the expression?

Why are sub-expressions considered as single operands after an operator is bound?

Which operator precedence determines the order of evaluation of expressions in C programming?

In C, for the expression 20/4*2, what is the result due to the precedence of operators?

Which associativity describes the direction of evaluation for the unary operators in C?

What is the result of the expression 5 + 5 * 3 - 2 / 2 due to the precedence of operators in C?

In C language, what is the purpose of the Turnery or Conditional Operator?

Which category of operators includes ++ and -- that are evaluated from left to right in C?

What will be the outcome of the expression 3 - 2 + 5 * 6 / 2 according to the precedence of operators in C?

In C programming, what is the output of a bitwise XOR operation if one of the operands is 1 and the other is 0?

When evaluating an arithmetic expression in C, how does the unary minus operator (-) operate on a single operand?

For the expression 'A' + 2 in C, what does the value 67 represent?

Which bitwise operator in C is used to check if corresponding bits of two operands are both 1?

What is the main purpose of the comma operator in linking expressions together?

When evaluating valid arithmetic expressions in C, which type of operands can be involved?

For bitwise OR operations in C, what is the output if none of the operands have a bit value of 1?

'sizeof' operator in C is used to determine what aspect of operands?

In the expression -a+ b * c - d I e + f, which operators have the next highest precedence after the unary operators?

For the expression -a-+ -b++ * -c, what is the primary reason it is considered invalid?

If the expression -a+ b * c - d I e + f is evaluated starting from left-to-right, what will be the first set of operands for the binary operators?

Considering the expression -a-+ -b++ * -c, what is the associativity of the additive operators used in this context?

What is the order of evaluation specified for sub-expressions at the same level in C expressions?

When evaluating expressions, which type of operator has the highest precedence?

In C, how are sub-expressions treated after an operator is bound to their operands?

Assuming a=1.5, b=2.5, and c=3.5, what would be the result of evaluating the expression a+b*c?

What is the purpose of the sprintf() function in C?

Which function is used to store the variable value on the memory location of that variable in C?

What does the '%d' format specifier represent in C?

Which function reads data from the string or character array instead of the console screen in C?

'&' symbol in scanf() function is used for what purpose in C?

What is the primary difference between sprintf() and printf() functions in C?

'scanf()' and 'sscanf()' functions in C differ mainly in their:

'sscanf()' function in C reads data from where compared to 'scanf()' function?

What is the purpose of the 'sscanf()' function in C?

What is the primary difference between 'printf()' and 'sprintf()' functions in C?

What does the '%n' format specifier do in C?

In C, what does the 'puts()' function do compared to 'gets()' function?

What does the 'int i;' variable hold in this line of code: `scanf("%s %d", str, &i);`?