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Questions and Answers
What are the arithmetic operators used in C programming?
In an integer mode arithmetic statement in C programming, what type of operands are involved?
What is the assignment operator in C programming?
If 'i' is an integer variable in C programming, what would be the result of the arithmetic statement 'i = i + 1;'?
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What are the real mode arithmetic statements in C programming characterized by?
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If 'kot' is a float variable assigned the value 0.0056 in C programming, what type of constant is 0.0056?
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What is the result of k = 2 / 9 if k is an integer variable?
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When executing 2 * x - 3 * y, how is it calculated based on the hierarchy of operations?
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What happens when evaluating A / B * C based on the hierarchy of operations?
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If a = 9 / 2.0, what will be the value stored in 'a'?
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When performing k = 9.0 / 2, what will be stored in 'k'?
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In k = 2 / 9.0, why does k get assigned the value of 0?
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Which of the following arithmetic statements is NOT legal in C?
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What does the modulus operator (%) return in C when used on integers?
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Which data type in C cannot have the modulus operator (%) applied to it?
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If a variable 'si' is defined as 'float si;', what type of arithmetic statement does it belong to?
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In C, what is the result of -5 % 2?
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'z = k * l ;' is an example of which kind of illegal arithmetic statement in C?
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Study Notes
Arithmetic Instruction
- A C arithmetic instruction consists of a variable name on the left-hand side of
=and variable names & constants on the right-hand side of=. - The variables and constants on the right-hand side are connected by arithmetic operators like
+,-,*, and/. -
=is the assignment operator.
Types of Arithmetic Statements
- There are three types of arithmetic statements:
- Integer mode arithmetic statement: All operands are either integer variables or integer constants.
- Real mode arithmetic statement: All operands are either real constants or real variables.
- Mixed mode arithmetic statement: Some operands are integers and some are real.
Hierarchy of Operations
- The hierarchy of operations determines the order in which operations are performed in an arithmetic statement.
- The priority or precedence of operations is as follows:
- (figure 1.8 not included, but it shows the hierarchy of operations)
Execution of Arithmetic Statements
- The right-hand side of an arithmetic statement is evaluated using constants and numerical values stored in variable names.
- The result is then assigned to the variable on the left-hand side.
Important Points to Note
- C allows only one variable on the left-hand side of
=. - The division operator
/returns the quotient, whereas the modular division operator%returns the remainder. - The modulus operator
%cannot be applied to a float. - The sign of the remainder is always the same as the sign of the numerator when using the modulus operator
%.
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Description
Learn about arithmetic instructions in C programming, including the use of arithmetic operators and the assignment operator. Practice identifying variable names and constants in arithmetic expressions.
