Western Governors University (WGU) C173 Scripting and Programming Practice Test

These questions are part of the practice quiz. Start practicing

• How is a dictionary defined in Python?
• Why are programming libraries used in development?
• What is a programming expression?
• What happens if you define a function but do not call it?
• What is the primary purpose of an IDE?
• In JavaScript, how do you create a conditional statement?
• Which statement correctly describes how branches and loops differ?
• What does it indicate if a programmer is in the implementation phase of a project?
• What is the first action a programmer should take to utilize an existing programming library?
• What is the difference between a list and a tuple in Python?
• In terms of syntax, what distinguishes markup languages?
• What is the purpose of a 'return' statement in a function?
• During which phase of an agile approach is an executable program created?
• What does a syntax tree represent?
• If a programmer wants a compiler to flag an error when an integer variable is assigned a string, which type of language should they choose?
• Why are functions useful?
• What is a common use of the 'for' loop in programming?
• What does the algorithm output when the user types -1?
• In floating-point division, what happens if both dividend and divisor are zero?
• What phase of the waterfall approach is involved when a program is tested with various inputs to ensure correct output?
• How is the control of a loop determined in programming?
• What is the primary function of an operating system?
• What is occurring when a programmer is adding features to iterate the fourth version of a program in an agile environment?
• A variable should hold the names of all past U.S. presidents. Which data type should the variable be?
• What is a key difference between object-oriented languages and non-object-oriented languages?
• What does 'object-oriented programming' emphasize?
• What does operator precedence determine in programming?
• What is one major advantage of using a programming library?
• Which loop is used when you know how many times you want to iterate?
• What does HTTP stand for?
• Which of the following is an example of a compiled language?
• What UML diagram is commonly used during the testing phase to illustrate interactions?
• What does the else clause in an if-else statement signify?
• Which operator is used to compare two values for equality?
• How do interpreted languages generally function on diverse machines?
• Which of the following best describes a logical operator?
• What is the significance of whitespace in programming?
• When should a programmer develop an algorithm to solve a problem?
• In algorithm design, what is the term used for the specific input values used to validate the algorithm?
• How do you convert a string to an integer in Python?
• An algorithm should output "OK" if all numbers in a list are non-zero. What is a valid test for this algorithm?
• A car drove 200 miles using 10 gallons of fuel. Which operation should be used to compute the miles per gallon?
• What is the purpose of initializing the `self` parameter in methods?
• What is the key purpose of an algorithm in programming?
• How do you save a value to a variable?
• Which phase in the waterfall model directly follows the analysis phase?
• How can you define a method in an object in Python?
• How many relational operators are commonly used in programming?
• What data structure is used to store a collection of similar items?
• Which phase of the waterfall approach specifies the required order of events between program components?
• What is the primary purpose of a use case diagram?
• Which of the following is a characteristic of a good algorithm?
• In Python, what is the role of the `pass` statement?
• What is the purpose of the return statement?
• Which UML diagrams specifically focus on activities?
• What is the purpose of a programming library?
• In which phase of SDLC do you primarily write code?
• What is a function call?
• What is the purpose of the modulo operator?
• A variable should hold a person's height in meters. Which data type should the variable be?
• Which of the following programming languages is considered dynamically typed?
• What happens if a loop's condition is always true?
• Which characteristic specifically describes interpreted languages?
• What is the primary distinction between a compiled language and an interpreted language?
• What are the four phases of SDLC?
• What is one key advantage of interpreted programs?
• How do you define a class in Python?
• What does the term 'recursion' refer to in programming?
• A program uses the number of seconds in a minute in various calculations. How should the item that holds this value be declared?
• What will happen if an exception is not handled in a `try` block?
• In which phase of an agile approach are program goals modified based on client feedback?
• Which of the following languages is considered object-oriented?
• Which concept is important for object-oriented programming?
• In an agile approach, which phase would create a list of components needed to build an online auction site?
• What is the typical use of the `filter()` function in JavaScript?
• How can you determine the length of a list in Python?
• Which elements are included in a class diagram?
• What feature do languages exhibit when they use tags to specify text formatting?
• How do you create a comment in HTML?
• What is an infinite loop?
• What is the purpose of the 'break' statement?
• What does debugging involve in programming?
• In looping constructs, what function does the condition serve?
• A program determines if a user's age is high enough to run for U.S. president. The minimum age requirement is 35. How should the item that holds the minimum age be declared?
• What second output should an algorithm provide if it checks an empty list?
• What programming concept allows for the creation of objects?
• What is the primary distinction between global and local variables?
• What feature characterizes dynamically typed languages?
• What is the purpose of using `self` in Python classes?
• What does it mean if an algorithm completes the task with no output?
• Which text accurately represents an algorithm?
• Which phase of a waterfall approach focuses on defining a program's goals?
• In programming, what does the term "debugging" refer to?
• Which of the following programming languages is dynamically typed?
• What is the function of a use case diagram?
• How can you comment a single line in Java?
• What does 'not a number' indicate in programming?
• What kind of diagram would you use to show how the system will be implemented on a physical machine?
• What characteristic describes a language that enables a programmer to create entities like person, teacher, and students with internal data and operations?
• Given float x = 10.2 and float y = 1.0, what is the value of the expression x / y?
• What is a common characteristic of functions in a programming library?
• What does an index reference in an array represent?
• How does a waterfall approach differ from an agile approach?
• What is a function?
• Given integer x = 3 and integer y = 5, what is the value of the expression ( x / 2.0) + y?
• What characterizes an integer in programming compared to a float?
• What activities take place in the planning phase of SDLC?
• What best describes a library in programming?
• What is the result of comparing two unequal values using the equality operator?
• During which phase does a programmer create a second version of a program based on customer feedback?
• What is a defined characteristic of a compiled language?
• What is the main use of a sequence diagram in UML?
• What is a binary search?
• What are parameters and arguments?
• What type of loop executes at least once regardless of the condition?
• Which UML diagram is most useful during the implementation phase?
• Which of the following best describes the role of comments in code?
• When might you use an array in programming?
• Which UML diagram can illustrate the relationship between different objects in the system?
• Are programming libraries compiled or precompiled?
• What are typical operations that can be performed on a data structure?
• What is the result of dividing a zero integer by a nonzero integer?
• What constitutes a valid identifier?
• What is the primary function of different data types in programming?
• What symbol is used for comments in Python?
• What is the primary purpose of a variable in programming?
• What keyword is used in Java to define a constant?
• What does the `try` block do in error handling?
• What happens when dividing two integers in programming?
• Which UML diagram focuses on the order of messages passed between objects?
• Which type of UML diagram is best for modeling workflows?
• In an agile approach, which phase involves defining a hypothesis to find a problem in a program?
• What does an output of 1 indicate in the given algorithm running on a five-element list of integers?
• What is the result of `len([1, 2, 3])` in Python?
• Which UML diagrams are structural?
• How is asynchronous programming primarily managed in JavaScript?
• What does IDE stand for?
• How does recursion work in programming?
• In Python, which keyword is used to handle exceptions?
• What is an array?
• What is a key characteristic of a class in Python?
• Which control structure is guaranteed to run only one time?
• What is the result of dividing a nonzero floating-point number by zero?
• When does a programmer enter the implementation phase of the waterfall approach?
• What is an operator in programming?
• Which language typically supports the object-oriented programming paradigm most effectively?
• What is a comment in programming?
• What is a function parameter?
• Which UML diagram is primarily used to represent functional requirements?
• In JavaScript, what does a variable declaration typically look like?
• What is the key difference between integer variables and floating-point variables?
• Which UML diagrams represent behavioral aspects?
• Which phase of the waterfall process is occurring when a company determines system requirements for tracking interactions?
• Which programming language is not based on object-oriented design principles?
• What differentiates a variable from a constant in programming?
• What keyword is used to define a method in Python?
• What is the goal of the analysis phase of the waterfall approach?
• What does an activity diagram represent in UML?
• In programming, what usually happens during the testing phase?
• Which loop is used when you are unsure how many times you may need to iterate?
• Which of the following is a characteristic of floating-point variables?
• What is one common use for operators in programming?
• What is typically done during the maintenance phase of a project?
• What is a primary difference between a while loop and a do/while loop?
• What is the main difference between `==` and `===` in JavaScript?
• What is a linear search?
• Which of the following languages are typically considered statically typed?
• How can an item's type be converted in programming?
• How does a markup language differ from a programming or scripting language?
• Which keyword is used to create a function in Python?
• How can a module be imported in Python?
• What is the purpose of parentheses () in a programming expression?
• When defining a function in JavaScript, which keyword is typically used?
• What does the term 'variable' refer to in programming?
• What is the purpose of an API?
• Which of the following is NOT a logical operator?
• Why is understanding data types important in programming?
• Which operator is used for exponentiation in Python?
• How do you create a loop in programming?
• What does a return statement do?
• How can a new array be created in Java?
• What does UML stand for?
• What is the function of a constructor in object-oriented programming?
• What does scope refer to in programming?
• What is a literal in programming?
• What type of programming technique does recursion involve?
• In JavaScript, how is a variable typically declared?
• What is the main feature of a class in object-oriented programming?
• What does JSON stand for?
• What is the primary function of an if-else statement in programming?
• What is the role of the `except` block in error handling?
• Which characteristic specifically describes a markup language?
• Which of the following programming languages is primarily interpreted?
• What is the purpose of a version control system?
• In the design phase of software development, which UML diagram is commonly utilized?
• What is the function of `map()` in JavaScript?
• Which operator should be used to determine if a number is evenly divisible by 5?
• What type of information does a class diagram represent?
• What is the output of 'print(2 + 3)' in Python?
• How do you handle exceptions in Python?
• What kind of operator is the == in the expression i == 20?
• When comparing compiled and interpreted languages, which statement is true?
• What does the term 'debugging' refer to?
• What is an identifier in programming?
• What distinguishes statically typed languages from dynamically typed languages?
• Which keyword is used to create a loop in Python?
• What are the three main components of a loop?
• What does 'string interpolation' allow you to do?
• What is a sentinel value in programming?
• What would be the outcome of trying to access an undefined variable in JavaScript?
• How do you check the type of a variable in Python?