C Certified Entry-Level (CLE) Programmer Certification Practice Test

These questions are part of the practice quiz. Start practicing

• What does ASCII stand for?
• What symbol represents division in C++?
• Which operator is used to assign a value to a variable in C?
• Which of the following is NOT a basic data type in C?
• When copying strings in C, what’s a common issue developers must be cautious of?
• Which statement is true about the first octal place?
• What is a union in C?
• In C, which of the following is true regarding pointers?
• What does the NULL pointer represent in C?
• In C++, an integer number preceded by the 0 digit is treated as which type of value?
• How can you comment code in C?
• How do you initialize an array in C?
• How can you create a multi-dimensional array in C?
• How can we store the results of a comparison in a variable?
• Which representation is used to convert hex number 2F to decimal?
• What is the correct syntax to declare a pointer in C?
• Which of the following functions would you use to copy a specific number of characters from one string to another?
• What best describes an array in C?
• Which statement is true about function arguments in C?
• Which type of number is represented by decimals such as 0.4 and 12.273642 in C++?
• What is a pointer in C?
• Which error occurs when trying to access memory that has not been allocated or that has been freed?
• In C, what is the purpose of the `return` statement?
• What does the `break` statement do in C?
• What term describes a structured step-by-step description of a program?
• In C, which character represents the logical NOT operation?
• Which type of file is produced from a successful compilation?
• What is a compile-time error?
• Which keyword indicates a default case in a switch statement?
• What is the purpose of the `main()` function in a C program?
• Hexadecimal is based on which numerical base?
• What function do you use to read from a file in C?
• What does the remainder calculation involve?
• What does the `sizeof` operator do in C?
• What is the role of the `const` keyword in C?
• What is a function prototype?
• How are comments written in C?
• What is the ability for programs written in high-level languages to be used on different computers known as?
• What triggers a segmentation fault in a C program?
• What term describes the order in which operations are performed in an expression?
• What does the `sizeof` operator do in C?
• What defines a string in C?
• What does the `void` keyword specify in C?
• What does the `sizeof` operator do in C?
• Which of the following best describes the `malloc()` function?
• What is a file pointer in C?
• What are the instructions that control the changes introduced by the preprocessor called?
• What would occur if a function in C does not have a return type?
• What determines the execution order of operators with equal priority in C++?
• What can be the return type of a function in C?
• What is a stack overflow?
• What is dynamic linking in C?
• What will be the behavior of a loop if the condition is always true?
• What is a static variable?
• How would you prefix a hexadecimal number in C++?
• Which of the following is not a keyword in C++?
• For the operator 'binary +', what is its primary operation?
• Which of the following is true about arrays in C?
• Which attribute does NOT typically relate to a well-designed algorithm?
• What is an array in C?
• Which of the following correctly defines an integer variable 'i' in C++?
• What does it mean if a conditional statement's value is non-zero?
• What is the primary purpose of the C programming language?
• What does a pointer in C represent?
• What is dynamic memory allocation?
• What is a compilation error?
• What is the scope of a variable?
• What is the main purpose of the rand() function in C?
• What operator is used to assign a value to a declared variable?
• Which statement defines an infinite loop?
• What does the strlen() function return?
• What will the output be if the condition in an if statement is true?
• What do you use to enclose a block of conditional statements?
• What are conditional statements used for in C?
• What does the decrement operator do?
• What is a structure in C?
• What are macros used for in C?
• What is the process of translating a high-level language into machine language called?
• How is a condition defined in an if statement in C?
• To store and manipulate individual characters in C, which data type is used?
• Explain the use of the `static` keyword in function definitions.
• What will happen if the expression in an if statement evaluates to false?
• How can you prevent buffer overflow in C?
• What does a floating-point number allow in programming?
• How can you prevent buffer overflow when using strings in C?
• Which of the following is NOT a main data type in C?
• What would the data type 'char' primarily be used for in C?
• What should be noted about the position of increment and decrement operators?
• What is the role of the part of the compiler that pre-reads the program text called?
• What is the use of 'volatile' in C?
• Which statement accurately describes the purpose of the `continue` statement in C?
• How do you declare a function in C?
• In a multi-file program, the process of combining different executable codes into a single product is called?
• What are control structures in C?
• What does the `#include` preprocessor directive do in C?
• What does the `main()` function signify in a C program?
• What does every variable in C++ have?
• What happens if you declare an array without specifying its size?
• How do you pass an array to a function in C?
• What keyword is used to create a user-defined type in C++?
• What occurs if the condition in an if statement evaluates to true?
• What is the purpose of the `return` statement in a function?
• Which symbols can be used to create comments in C++?
• What does the `break` keyword do in a switch statement?
• Which statement is true regarding the ++ and -- operators?
• What is the difference between an 'int' and 'float' in C?
• How do you declare an array in C?
• When the preprocessor encounters a directive, what does it replace it with?
• What is the difference between `==` and `=` in C?
• How is memory freed in C?
• What is pointer arithmetic?
• What is the use of volatile keyword in C?
• When is memory allocated using malloc released?
• What does the operator '*' signify in C++?
• What does typecasting in C involve?
• Which of the following is a valid way to declare a function in C?
• What does NULL represent in C?
• How is scientific notation represented in C++?
• How many operands can a unary operator act upon?
• In C, what does `return` do in a function?
• What is the enum keyword used for in C?
• What character indicates the end of a string in C?
• In a shortcut operator expression, how can you represent 'variable = variable + expression'?
• What is an array in C?
• How can you adjust the size of an array in C during runtime?
• How many numerical values do ASCII characters represent?
• What does the break statement do in a loop?
• What is the name of the file that contains the source code of a program?
• What is the effect of using the `const` keyword in variable declarations?
• In C, what is the role of parameters in a function?
• What is the default return type of a function in C if no return type is specified?
• How do you allocate memory dynamically in C?
• Which data type would you use to represent a decimal number in C?
• What is generally the first step in the process of converting source code into machine language?
• What is the term for a complete set of well-known commands in a programming context?
• What role does the return type play in function declarations?
• Shortcut operators are used to simplify which type of expressions?
• What is the function of braces in C programming?
• What does the unary minus operator do?
• What is recursion in the context of C?
• What is an exit status in C?
• What is the purpose of the unary plus operator?
• Which C standard library function can assist in generating random numbers more effectively?
• Which of the following correctly describes a float in C?
• In a block of code, what does the indenting signify?
• What does the keyword `static` indicate when used with variables in C?
• What is the main purpose of the standard library in C?
• When using pointers, what should a programmer be cautious about in C?
• What does the `main()` function signify in a C program?
• What does the sizeof operator do in C?
• What is a linked list?
• In the context of compiling, what does the term 'linker' refer to?
• What does the "2" in hexadecimal 2F represent?
• Which of the following best describes floating-point numbers?
• What is the remainder operator in C++ called?
• What is the result of the expression: int i; i = 10 / 4;
• What is the significance of the `return` statement in C functions?
• What is recursion in programming?
• What is the difference between 'call by value' and 'call by reference'?
• What does the `#include` directive do in a C program?
• What is the difference between shallow copy and deep copy?
• How does ASCII help in text processing?
• What is the result of comparing two equal integers using >= operator?
• What type of error does accessing memory that is not allocated result in?
• What is the significance of `#define` in C?
• What does a C preprocessor do?
• When using the increment operator as a postfix, what is the order of operations?
• What is the result type of an integer division between 10 and 4 in C++?
• What is a dangling pointer?
• How can errors be handled in C?
• Which function is used to calculate the length of a string in C?
• What is the main purpose of using macros in C?
• What is the result of using an uninitialized pointer in C?
• What is a for loop and how does it work in C?
• What is the significance of the 'return' statement in a function?
• What is the primary purpose of the sizeof operator?
• How can you check if a pointer is NULL in C?
• What term describes the characteristic of a number that determines its kind, range, and application in C++?
• How can two strings be compared in C?
• What is the role of libraries in C programming?
• What is the purpose of a function in C?
• What are the basic data types available in C?
• Which function is used to create a copy of a string in C?
• According to operator rules, what is the calculation priority for expressions within parentheses?
• In C++, what is the keyword 'float' used for?
• Which of the following statements is true about the `for` loop in C?
• Which of the following is used for outputting text on the console in C?
• What is the function of the `#include` directive in C?
• What is the syntax for declaring an enum in C?
• Which of the following best describes the role of pointers?
• What library must be included to use the strcpy() function in C?
• Which keyword is used to introduce a conditional statement in C?
• What is the main purpose of comments in C++?
• What operator is used to check if x is less than or equal to y?
• What is a multi-dimensional array?
• How is a variable defined in C?
• How do you define a function in C?
• How are octal values interpreted?
• Which operator is also known as the insertion operator in C?
• What does the `calloc()` function do?
• Which of the following operators has the highest priority?
• What kind of behavior may occur when using the rand() function without proper seeding?
• What character is used to denote the end of a string in C?
• What is the primary purpose of a variable in C?
• Which of the following correctly describes an array?
• What do we call the file that results from successfully compiling source code, translated into machine language?
• What is an escape sequence in C?
• What does an uninitialized pointer in C point to?
• What are command-line arguments in C?
• What is a compiler?
• How does the C preprocessor handle comments?
• Which term describes the result of a successful linking process?
• What type of operator increases the value of a variable by 1?
• How do you concatenate strings in C?