Questions and Answers
What does #include <stdio.h> in a C program indicate?
The statement int main() declares an integer variable.
False
What function in C is used to print output to the screen?
printf
In C, to read user input, you use the ______ function.
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Match the following C operators with their functions:
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What does return 0; signify in the main function?
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The operator * in C is used for division.
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Which operator in C is used for checking inequality?
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The statement 7 / 2 will return ______ if both operands are integers.
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Which of the following is a valid variable name in C?
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Study Notes
C Programming Fundamentals
-
#include <>is a preprocessor directive that includes standard libraries, essential for functionalities like input/output operations. -
Comments in C are indicated using
/* */, allowing developers to add notes or disable code without affecting program execution. -
The
printffunction is used to print text to the screen, crucial for displaying output in C programs. -
int main()signifies the start of the main function in a C program, which is the entry point and returns an integer value. -
return 0;indicates successful termination of the program, signaling that it executed without errors. -
Valid variable names in C must start with a letter or underscore; for example,
number_1is valid while1stNumberis not. -
The
scanffunction is employed to read user input, allowing programs to interact with users. -
The addition operator in C is denoted by
+, used to perform arithmetic calculations. -
Integer division in C truncates decimal results; thus,
7 / 2will yield3when both operands are integers. -
The
%operator performs modulus operations, returning the remainder of a division, important in various calculations. -
==is the equality operator in C, used to compare two values for equality, distinct from=which is an assignment operator.
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Description
Test your knowledge of fundamental C programming concepts with this multiple-choice quiz. Topics include preprocessor directives, comments, and common functions like printf. Perfect for beginners looking to strengthen their understanding of C.
