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Questions and Answers
What is the range of values that can be represented by a short data type?
What is the range of values that can be represented by a short data type?
- −231 to 231
- −128 to 127 (correct)
- −1 to 1
- −215 to 215
In scientific notation, what is the purpose of the power of 10?
In scientific notation, what is the purpose of the power of 10?
- To indicate the position of the decimal point
- To separate the integral and fractional parts
- To determine the precision of the floating-point representation
- To determine the range of the floating-point representation (correct)
What happens when a value is moved to a higher-order data type in the datatype hierarchy?
What happens when a value is moved to a higher-order data type in the datatype hierarchy?
- The value is truncated
- No information is lost (correct)
- Information may be lost
- The value is rounded
What is the purpose of the mantissa in floating-point representation?
What is the purpose of the mantissa in floating-point representation?
What is the difference between float and double data types?
What is the difference between float and double data types?
What determines the precision of the floating-point representation?
What determines the precision of the floating-point representation?
What happens when any of the quantities involved in a calculation are floating-point?
What happens when any of the quantities involved in a calculation are floating-point?
How can we ensure that a calculation is done using floating-point arithmetic in C?
How can we ensure that a calculation is done using floating-point arithmetic in C?
What is the purpose of keywords in C programming?
What is the purpose of keywords in C programming?
What is an identifier in C programming?
What is an identifier in C programming?
What is the difference between a C program and a natural language document?
What is the difference between a C program and a natural language document?
What is the purpose of using a placeholder like %.4f in the printf function?
What is the purpose of using a placeholder like %.4f in the printf function?
Why is the value of radius 1 in the expression radius=diameter/2?
Why is the value of radius 1 in the expression radius=diameter/2?
What would be the result of the expression radius=diameter/2 if diameter is 3 and 2 is replaced with 2.0?
What would be the result of the expression radius=diameter/2 if diameter is 3 and 2 is replaced with 2.0?
What is the advantage of using variables in a program?
What is the advantage of using variables in a program?
Why is the value 2.0 used in the expression float radius=diameter/2.0?
Why is the value 2.0 used in the expression float radius=diameter/2.0?
What is the difference between the expressions float radius=diameter/2 and float radius=diameter/2.0?
What is the difference between the expressions float radius=diameter/2 and float radius=diameter/2.0?
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