18 Questions
What are variables in C?
Variables are names that refer to sections of memory where data can be stored.
What are the rules for variable naming in C?
Variables can be composed of letters (uppercase and lowercase), digits, and underscore. The first character should be a letter or underscore, not a digit. Punctuation and special characters are not allowed.
What are reserved words (keywords) in C?
auto, case, const, default, double, enum, float, goto, break, char, continue, do, else, extern, for, if, int, register, short, signed, sizeof, struct, typedef, unsigned, volatile, long, return, static, switch, union, void, while
What do naming conventions in C generally agree on?
C programmers generally agree on using certain conventions for naming variables.
What is the case sensitivity rule for variable names in C?
Variable names in C are case sensitive.
Is there a rule for the length of a variable name in C?
There is no rule for the length of a variable name in C.
What is the recommended way to begin variable names in C programming?
Begin variable names with lowercase letters
How should words within identifiers be separated in C programming?
Separate 'words' within identifiers with underscores or mixed upper and lower case
Why is it important to be consistent in naming conventions in C programming?
To maintain clarity and readability of the code
Is C case sensitive when it comes to identifiers like variable names?
Yes, C is case sensitive
Which of the following identifiers are legal in C programming?
3D, x_yt3, num45, pi
What must you do before using a variable in C programming?
Declare the variable
Why is it important to place each variable declaration on its own line with a descriptive comment?
To enhance readability and clarity of the code.
What is the significance of placing a comment before each logical 'chunk' of code describing what it does?
It helps in documenting and understanding the functionality of different parts of the code.
Why should spaces be used around all arithmetic and assignment operators?
To improve code readability and maintain consistency in coding style.
What is the purpose of using blank lines to enhance readability in programming?
Blank lines help separate code into logical sections and improve the overall structure of the program.
How does placing a blank line between the last variable declaration and the first executable statement benefit the code?
It improves visual separation between variable declarations and the main code logic.
Why is it important to indent the body of the program consistently?
Consistent indentation makes the code easier to read and understand.
Learn about the naming conventions in C programming, including using lowercase letters for variable names, meaningful identifiers, and consistent use of underscores or mixed upper and lower case. Understand the importance of case sensitivity and using all uppercase for symbolic constants.
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