C Program: Adding Two Integers Quiz

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Questions and Answers

Which new data type keyword was added in the C99 standard?

  • _Bool
  • _Atomic
  • _Thread_local
  • _Complex (correct)

In C programming, which keyword is used to define a variable as read-only?

  • volatile
  • static
  • extern
  • const (correct)

What is a potential security vulnerability related to single-argument printf statements in C?

  • Integer overflow vulnerabilities
  • SQL injection attacks
  • Format string attacks (correct)
  • Buffer overflow attacks

In C programming, which of the following is NOT a valid naming convention for variables?

<p>kebab-case-naming (B)</p> Signup and view all the answers

When defining identifiers in C, what is the significance of using reserved keywords as identifiers?

<p>It avoids conflicts with language keywords (C)</p> Signup and view all the answers

What is the purpose of indenting each if statement's body and placing blank lines above and below each if statement?

<p>To improve program readability (D)</p> Signup and view all the answers

In C programming, what is the significance of placing a semicolon immediately to the right of the right parenthesis after an if statement’s condition?

<p>It results in a common error of treating the semicolon as an empty statement (D)</p> Signup and view all the answers

Why should certain words like 'int' and 'void' not be used as identifiers in C programming?

<p>They are keywords with special meaning to the compiler (B)</p> Signup and view all the answers

What does the text indicate about the comparison of number1's and number2's values in C programming?

<p>It involves using equality and relational operators (D)</p> Signup and view all the answers

In C programming, why is it recommended to avoid using language keywords as identifiers for variables?

<p>Keywords have predefined meanings in the language (A)</p> Signup and view all the answers

What must be done before using a variable in a C program?

<p>Define the variable with a name and a type (D)</p> Signup and view all the answers

What is the primary role of the linker in a C program?

<p>Locating and inserting calls to library functions (D)</p> Signup and view all the answers

Which of the following is NOT allowed in a C variable name?

<p>Using spaces (C)</p> Signup and view all the answers

Why is consistent indentation recommended in C programming?

<p>To emphasize the program's functional structure and readability (C)</p> Signup and view all the answers

What is the purpose of a prompt message in C programming?

<p>To instruct the user to take a specific action (A)</p> Signup and view all the answers

In C programming, what is the significance of using multiple printf statements?

<p>It resumes printing where the previous one finished (A)</p> Signup and view all the answers

How does white space, including blank lines and tab characters, impact C programs?

<p>It makes the program easier to read but is generally ignored by the compiler (B)</p> Signup and view all the answers

Which of the following is true about the #include preprocessor directive in C?

<p>It is used to ensure correct usage of standard input/output library functions (B)</p> Signup and view all the answers

What is a common reason why style guides recommend using spaces rather than tabs for indentation in C programming?

<p>To enforce a uniform appearance across different text editors (C)</p> Signup and view all the answers

Which of the following is NOT a valid reason for inserting comments in a C program?

<p>To make the program more complicated (D)</p> Signup and view all the answers

What is the role of variables 'integer1' and 'integer2' in the context of the provided C code snippets?

<p>To initialize and perform arithmetic operations (C)</p> Signup and view all the answers

Which of the following is a recommended practice for naming variables in C programs?

<p>Separating words in variable names with underscores (C)</p> Signup and view all the answers

Which entity ensures that each printf statement resumes printing from where the previous one left off?

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

What does it mean that C is case sensitive?

<p>Uppercase and lowercase letters are considered different in variable names (D)</p> Signup and view all the answers

What is the purpose of inserting comments in a C program?

<p>To document programs and improve program readability (A)</p> Signup and view all the answers

What does the keyword 'int' to the left of main indicate in a C program?

<p>It shows main's return type is an integer (D)</p> Signup and view all the answers

Why is it important to precede every function in a C program with a comment stating its purpose?

<p>To make the code more readable and maintainable (A)</p> Signup and view all the answers

What is the significance of the left brace, '{', that begins each function's body in C?

<p>Indicates the start of the function's code block (C)</p> Signup and view all the answers

What impact does the use of reserved keywords as identifiers have on C programming?

<p>Prevents potential naming conflicts (C)</p> Signup and view all the answers

Which aspect of a C program do variable naming conventions primarily focus on?

<p>Creating meaningful and understandable variable names (A)</p> Signup and view all the answers

What is the purpose of initializing a variable in its definition in C programming?

<p>Make the code more readable (D)</p> Signup and view all the answers

In C programming, what happens when a value is placed in a memory location of a variable that already had a value stored in it?

<p>The new value overwrites the old value (C)</p> Signup and view all the answers

What is the significance of stating 'These locations are not necessarily adjacent in memory' in C programming?

<p>It reflects the non-contiguous nature of variable storage in memory (B)</p> Signup and view all the answers

Why does a C program terminate upon reaching main's closing right brace?

<p>To indicate the end of the program's execution (D)</p> Signup and view all the answers

What does the 'f' in printf stand for?

<p>'Format', representing formatted output (B)</p> Signup and view all the answers

What is another term for a string in C programming?

<p>'Message' (A)</p> Signup and view all the answers

Why do characters usually print as they appear between quotes in C programming?

<p>To indicate they are part of a string (B)</p> Signup and view all the answers

What is the purpose of using a semicolon at the end of every statement in C?

<p>To indicate the end of a code block (C)</p> Signup and view all the answers

What is the purpose of inserting comments in a C program?

<p>To document programs and improve program readability (B)</p> Signup and view all the answers

How does white space, including blank lines and tab characters, impact C programs?

<p>Makes programs easier to read (C)</p> Signup and view all the answers

What aspect of a C program do variable naming conventions primarily focus on?

<p>Clarity and consistency in naming variables (A)</p> Signup and view all the answers

What is the role of the preprocessor directive #include in C programming?

<p>Includes the contents of a header file before compilation (D)</p> Signup and view all the answers

What does placing a semicolon at the end of every statement in C signify?

<p>Signifies the end of a statement (C)</p> Signup and view all the answers

Why are consistent indentation practices recommended in C programming?

<p>Facilitate code readability and organization (A)</p> Signup and view all the answers

What is the significance of blank lines and white space in C programming?

<p>Enhances code readability (B)</p> Signup and view all the answers

What do the lines 7 and 8 in the C code snippet initialize the variables integer1 and integer2 to?

<p>The value 0 (B)</p> Signup and view all the answers

What is the purpose of the 'sum = integer1 + integer2;' statement in the code snippet?

<p>To calculate the sum of integer1 and integer2 (C)</p> Signup and view all the answers

What is the purpose of the 'printf("Sum is %d\n", sum);' statement in the C code snippet?

<p>To print the sum of integer1 and integer2 (B)</p> Signup and view all the answers

What is the purpose of the assignment statement in line 17 of the C program?

<p>Perform a calculation on integer1 and integer2 (D)</p> Signup and view all the answers

What data type do the variables integer1 and integer2 have in the C code snippet?

<p>Integer (A)</p> Signup and view all the answers

What is the purpose of using 'scanf("%d", &integer1);' in the C code snippet?

<p>To read an integer from user input (A)</p> Signup and view all the answers

Why are spaces recommended around binary operators in C programs?

<p>To improve readability (A)</p> Signup and view all the answers

What does the format control string '%d' represent in the line 19 of the C program?

<p>A placeholder for an integer value (A)</p> Signup and view all the answers

In C programming, what is the significance of initializing variables like integer1 and integer2 to a specific value?

<p>It assigns a default value to the variables (C)</p> Signup and view all the answers

What is the significance of the 'Sum is ' in the format control string in line 19?

<p>It is a literal string to print (A)</p> Signup and view all the answers

What does the 'printf("Enter second integer: ");' statement indicate in the context of the code snippet?

<p>It prompts the user to enter a second number (D)</p> Signup and view all the answers

Why are binary operators called 'binary' in C programming?

<p>Because they have two operands (D)</p> Signup and view all the answers

Which operator is used to assign a value to a variable in C programming?

<p>= (B)</p> Signup and view all the answers

The linker in a C program primarily ensures that each printf statement resumes printing from where the previous one left off.

<p>False (B)</p> Signup and view all the answers

How many operands do binary operators in C programming typically have?

<p>Two (A)</p> Signup and view all the answers

What does the escape sequence \n signify in a C string?

<p>Position the output cursor to the beginning of the next line (C)</p> Signup and view all the answers

In C programming, when printf encounters the escape sequence \n in a string, it moves the cursor to the next horizontal tab stop.

<p>False (B)</p> Signup and view all the answers

What is the purpose of adding spaces around binary operators in C programs?

<p>To enhance code readability (B)</p> Signup and view all the answers

In C programming, consistent indentation practices are recommended because they have a direct impact on how the program executes.

<p>False (B)</p> Signup and view all the answers

The backslash character () in C is an escape character that is used to combine with the next character to form an escape sequence.

<p>True (A)</p> Signup and view all the answers

What is the purpose of the escape sequence \a in C programming?

<p>Produce a sound or visible alert (D)</p> Signup and view all the answers

Why is the sequence \ required in C strings?

<p>To insert a backslash character in a string (C)</p> Signup and view all the answers

The escape sequence \a in C programming produces a sound or visible alert without changing the current cursor position.

<p>True (A)</p> Signup and view all the answers

In C programming, the % operator yields the remainder after integer division.

<p>True (A)</p> Signup and view all the answers

Using an attempt to divide by zero in C programming usually results in a nonfatal error.

<p>False (B)</p> Signup and view all the answers

In C expressions, parentheses are used in the same manner as in algebraic expressions.

<p>True (A)</p> Signup and view all the answers

In C programming, the backslash character is primarily used to introduce escape sequences.

<p>True (A)</p> Signup and view all the answers

In C programming, strings are manipulated using arithmetic operators like + and -.

<p>False (B)</p> Signup and view all the answers

In C programming, comments are executed by the computer to perform specific actions.

<p>False (B)</p> Signup and view all the answers

The preprocessor directive #include is responsible for handling lines beginning with $ before compilation.

<p>True (A)</p> Signup and view all the answers

Blank lines, space characters, and tab characters in C programs are generally ignored by the compiler.

<p>True (A)</p> Signup and view all the answers

The backslash character is commonly used in C programming to introduce escape sequences.

<p>True (A)</p> Signup and view all the answers

Strings in C programming are manipulated using the linker and executables.

<p>False (B)</p> Signup and view all the answers

The backslash character in C is used to create escape sequences like newline and tab.

<p>True (A)</p> Signup and view all the answers

In C programming, the linker is responsible for combining object files into an executable program.

<p>True (A)</p> Signup and view all the answers

Consistent indentation practices are highly recommended in C programming to improve code readability.

<p>True (A)</p> Signup and view all the answers

Using '\' in C strings is required to represent a single backslash character.

<p>True (A)</p> Signup and view all the answers

Strings in C can be manipulated using functions like printf and scanf.

<p>False (B)</p> Signup and view all the answers

The escape sequence \a in C programming produces a sound or visible alert without changing the current cursor position.

<p>True (A)</p> Signup and view all the answers

In C programming, the linker primarily ensures that each printf statement resumes printing from where the previous one left off.

<p>False (B)</p> Signup and view all the answers

Consistent indentation is recommended in C programming to improve code readability and maintainability.

<p>True (A)</p> Signup and view all the answers

The backslash character is commonly used in C programming to create escape sequences for special characters like newlines and tabs.

<p>True (A)</p> Signup and view all the answers

String manipulation in C programming involves modifying and working with sequences of characters.

<p>True (A)</p> Signup and view all the answers

In C programming, the compiler knows where the library functions are located.

<p>False (B)</p> Signup and view all the answers

Indentation practices in C programming have no impact on the program's execution.

<p>False (B)</p> Signup and view all the answers

In C programming, using puts to output a string ensures that no terminating newline character is added to the output.

<p>False (B)</p> Signup and view all the answers

When the linker runs in C programming, it inserts proper calls to library functions in the object program.

<p>True (A)</p> Signup and view all the answers

Using multiple printf statements in C allows for each printf to continue printing where the previous one left off.

<p>False (B)</p> Signup and view all the answers

The escape sequence \n in C programming is used to move the cursor to the next horizontal tab stop.

<p>False (B)</p> Signup and view all the answers

The backslash character in C is an escape character used to combine with the next character to form an escape sequence.

<p>True (A)</p> Signup and view all the answers

The backslash character () in C is used to combine with the next character to form an escape sequence.

<p>True (A)</p> Signup and view all the answers

The statement 'All Rights Reserved 2.7 Secure C Programming' is protected by United States copyright laws.

<p>True (A)</p> Signup and view all the answers

Using printf with two arguments—a "%s" format control string and the string to display—allows you to display a string without a terminating newline character.

<p>True (A)</p> Signup and view all the answers

In C programming, the escape sequence \a produces a sound or visible alert without changing the current cursor position.

<p>True (A)</p> Signup and view all the answers

Consistent indentation practices are recommended in C programming because they directly impact how the program executes.

<p>False (B)</p> Signup and view all the answers

In C programming, the linker primarily ensures that each printf statement resumes printing from where the previous one left off.

<p>False (B)</p> Signup and view all the answers

In C programming, when printf encounters the escape sequence \n in a string, it moves the cursor to the next horizontal tab stop.

<p>False (B)</p> Signup and view all the answers

The statement 'Copyright © 2021 Pearson Education, Inc.' indicates that the work is provided solely for instructors to teach their courses and assess student learning.

<p>True (A)</p> Signup and view all the answers

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