We cannot extend the range of character. We can extend the range of float by using double. To extend the precision further we may use long double. Question: What is an unsigned integer constant?
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Question: What is an unsigned integer constant? What is the significant of declaring a constant unsigned? We can take the value double using an unsigned integer constant.
Question: Describe the characteristics and purpose of escape sequence characters. Answer: C supports some special back slash character constants, that are used in output function. This characters are known as escape sequence characters. Answer: A variable is a data name that may used to store a data value. Like constants that remains unchanged during the execution a program. The meant of value it is a variable name and it can take any value like character, int, float and double.
Question: How do variables and symbolic names differ? Answer: A variable may be used to store data value. A variable may take different values at different times during execution of a program. Symbolic names is a unique constants. This constants may appear in a number of place in the program. Symbolic names has need to define at the beginning of a program.
Question: State the difference between the declaration of a variable and the definition of a symbolic name? The syntax for declaring a variable is as follow: Data-type v1,v2,……..
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