C Programming Operators Quiz
40 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the operator used for incrementing a variable by 1?

  • --
  • =>
  • .+
  • ++ (correct)

    • Which operator is used for modulus assignment?

  • ++=
  • =
  • -=
  • %= (correct)

    • Which operator has the highest precedence?

  • () (correct)
  • -
  • +
  • *

    • What does typecasting refer to?

    <p>Converting values from one data type to another</p> Signup and view all the answers

    Which of the following is true about implicit typecasting?

    <p>It is automatically performed by the compiler</p> Signup and view all the answers

    What is the associativity of the assignment operator (=)?

    <p>Right to left</p> Signup and view all the answers

    Which operator is used for multiplication assignment?

    <p>*=</p> Signup and view all the answers

    If two operators have the same precedence, what determines their evaluation order?

    <p>Their associativity</p> Signup and view all the answers

    What is the purpose of a semicolon in C?

    <p>To terminate a statement</p> Signup and view all the answers

    Which header file is commonly used for working with date and time in C?

    <p>time.h</p> Signup and view all the answers

    Which control flow statement is used to execute a block of code repeatedly until a condition is met?

    <p>while</p> Signup and view all the answers

    Which of the following is a valid data type in C?

    <p>float</p> Signup and view all the answers

    What is the importance of proper formatting and indentation in C code?

    <p>It improves code readability</p> Signup and view all the answers

    What is the correct syntax for declaring a function in C?

    <p>void function name(parameters) {...}</p> Signup and view all the answers

    Which of the following is a valid C statement?

    <p>int x = 10;</p> Signup and view all the answers

    Syntax errors in C programming are identified by which component?

    <p>The compiler</p> Signup and view all the answers

    What is the return type of the main() function in C?

    <p>int</p> Signup and view all the answers

    Which component of a C program contains the actual implementation of functions?

    <p>Function definitions</p> Signup and view all the answers

    How can command-line arguments be passed to a C program?

    <p>By using the argc and argv parameters in the main() function</p> Signup and view all the answers

    What is the significance of the return 0; statement in the main() function?

    <p>Indicates successful program execution</p> Signup and view all the answers

    What is the purpose of headers in C programming?

    <p>To provide function prototypes and type definitions</p> Signup and view all the answers

    Which header file provides functions for input/output operations?

    <p>stdio.h</p> Signup and view all the answers

    Which header file is used for string manipulation?

    <p>string.h</p> Signup and view all the answers

    Which header file provides functions for mathematical calculations?

    <p>math.h</p> Signup and view all the answers

    What is the correct way to call a function that returns a value?

    <p>Assign the returned value to a variable</p> Signup and view all the answers

    What is a characteristic of a recursive function?

    <p>It calls itself directly or indirectly</p> Signup and view all the answers

    Where are local variables typically declared?

    <p>Inside a function</p> Signup and view all the answers

    What defines the scope of a local variable?

    <p>Function-specific</p> Signup and view all the answers

    What best describes the scope of a global variable?

    <p>Program-wide</p> Signup and view all the answers

    What is the base case of a recursive function?

    <p>The simplest case that can be solved directly</p> Signup and view all the answers

    Why are recursive functions often used?

    <p>For solving problems that can be broken down into smaller subproblems</p> Signup and view all the answers

    Compared to iterative solutions, recursive solutions are generally considered:

    <p>Easier to implement</p> Signup and view all the answers

    What is the purpose of conditional statements?

    <p>Make decisions</p> Signup and view all the answers

    What will be the output if 'num' is 5 in the provided code?

    <p>120</p> Signup and view all the answers

    What does the 'break' statement do in a switch statement?

    <p>Exit the switch statement</p> Signup and view all the answers

    Which operator checks if two values are equal?

    <p>==</p> Signup and view all the answers

    Which operator is used to check if two values are not equal?

    <p>!=</p> Signup and view all the answers

    What does short-circuit evaluation entail?

    <p>The second operand is evaluated only if the first operand does not determine the outcome</p> Signup and view all the answers

    Which operator checks if the left operand is greater than the right operand?

    <blockquote> </blockquote> Signup and view all the answers

    What is the purpose of using logical operators with short-circuit evaluation?

    <p>To minimize the number of evaluations needed</p> Signup and view all the answers

    Study Notes

    C Programming Operators

    • The assignment operator = assigns a value to a variable.
    • The += operator increments a variable by a specified value and assigns the result back to the variable.
    • The -= operator decrements a variable by a specified value and assigns the result back to the variable.
    • The *= operator multiplies a variable by a specified value and assigns the result back to the variable.
    • The %= operator calculates the modulus (remainder) of a variable divided by a specified value and assigns the result back to the variable.
    • The ++ operator increments a variable by 1.
    • The -- operator decrements a variable by 1.
    • The typecasting operator converts a value from one data type to another.
    • Implicit typecasting is performed automatically by the compiler.
    • The parentheses operator () has the highest precedence in C.
    • The associativity of the assignment operator = is from right to left.
    • The precedence of operators determines the order in which they are evaluated in an expression.
    • When operators have the same precedence, their associativity determines the order of evaluation.

    C Programming Basics

    • The stdio.h header file provides functions for input/output operations.
    • The stdlib.h header file provides functions for general utility tasks.
    • The string.h header file provides functions for string manipulation.
    • The math.h header file provides functions for mathematical calculations.
    • The time.h header file provides functions for working with dates and times.
    • The semicolon ; is used to terminate a statement in C.
    • The int data type represents integers.
    • The float data type represents floating-point numbers.
    • The char data type represents characters.
    • The main() function is the entry point of a C program and typically returns an integer value. A return value of 0 generally indicates successful program execution.
    • Headers in C programming provide function prototypes and type definitions, making the code more readable and preventing errors.
    • Global variables are declared outside any function and have program-wide scope.
    • Local variables are declared inside a function and have function-specific scope.
    • A recursive function calls itself directly or indirectly.
    • The base case of a recursive function is the simplest case that can be solved directly, preventing infinite recursion.
    • Recursive functions are often used to solve problems that can be broken down into smaller, similar subproblems.

    Conditional Statements and Control Flow

    • Conditional statements allow a program to make decisions and execute different code blocks based on the value of an expression.
    • Conditional statements are typically used in conjunction with logical operators, such as && (AND), || (OR), and ! (NOT).
    • The if statement executes a block of code if a condition is true.
    • The else statement executes a block of code if the condition in the preceding if statement is false.
    • The else if statement provides additional conditions to evaluate if the previous if or else if conditions are false.
    • The switch statement allows a program to branch to different sections of code based on the value of a variable.
    • The break statement exists the switch statement immediately.
    • Short-circuit evaluation means that the second operand of a logical operator is not evaluated if the outcome can be determined by the first operand.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    CIS-1101-Midterm-Reviewer.pdf

    Description

    Test your knowledge on C programming operators with this quiz. Learn about assignment, increment, decrement, and typecasting operators. Understand how operator precedence and associativity work in the C language.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser