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This deck focuses on Developing Procedures, giving you a quick way to review the definitions, rules, and examples that matter most for AP Computer Science Principles.
AP Computer Science Principles Flashcards: Developing Procedures
Study Developing Procedures in AP Computer Science Principles with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.
AP Computer Science Principles
Developing Procedures
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What is an argument in procedures?
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ANSWER
Value passed to a procedure's parameter. The actual data passed to parameters when calling.
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Flashcard 1: What is an argument in procedures?
Answer: Value passed to a procedure's parameter. The actual data passed to parameters when calling.
Flashcard 2: What is a callback function?
Answer: A function passed as an argument. Used for event handling and asynchronous programming.
Flashcard 3: Identify the issue: result = multiply(2, 3) print(result)
Answer: No issue; syntax is correct. Valid code that calls function and prints result.
Flashcard 4: What is the difference between 'return' and 'print'?
Answer: 'return' outputs from a function; 'print' displays. Return sends values; print shows text on screen.
Flashcard 5: Find the syntax error: def add(a, b): return a + b
Answer: No error; syntax is correct. Valid Python function syntax with proper colon and return.
Flashcard 6: What is a lambda function?
Answer: An anonymous, inline function. Concise way to create simple functions inline.
Flashcard 7: State the term for the code block inside a procedure.
Answer: Procedure body. The executable code that implements the procedure's logic.
Flashcard 8: What is a return value in a procedure?
Answer: The output a procedure produces. The result sent back to the calling code.
Flashcard 9: State the purpose of the 'pass' statement in Python.
Answer: Placeholder for future code. Prevents syntax errors in incomplete code blocks.
Flashcard 10: What is the purpose of a procedure in programming?
Answer: Encapsulate code for reuse and modularity. Breaks complex programs into manageable, reusable components.
Flashcard 11: What is the term for a procedure without parameters?
Answer: Parameterless procedure. Takes no input values when called.
Flashcard 12: What is a procedure's signature?
Answer: Its name, parameters, and return type. Defines how to call and use the procedure.
Flashcard 13: Which keyword specifies a procedure's output in Python?
Answer: return. Sends a value back to the caller and exits the function.
Flashcard 14: Identify the error: def hello(name) print('Hello, ' + name)
Answer: Missing colon after parameters. Function definitions require colon after parameter list.
Flashcard 15: Find the error: def subtract(a, b): print(a - b) return
Answer: No error; syntax is correct. Valid procedure with side effect and empty return.
Flashcard 16: Identify the keyword used to define a procedure in Python.
Answer: def. Standard Python syntax for creating function definitions.
Flashcard 17: What is a default parameter?
Answer: A parameter with a default value. Provides fallback value when argument is not supplied.
Flashcard 18: What is an argument in procedures?
Answer: Value passed to a procedure's parameter. The actual data passed to parameters when calling.
Flashcard 19: What is a return value in a procedure?
Answer: The output a procedure produces. The result sent back to the calling code.
Flashcard 20: What is a callback function?
Answer: A function passed as an argument. Used for event handling and asynchronous programming.
Flashcard 21: What is a pure function?
Answer: A function with no side effects. Predictable behavior with no external state changes.
Flashcard 22: What is a pure function?
Answer: A function with no side effects. Predictable behavior with no external state changes.
Flashcard 23: What is a procedure's signature?
Answer: Its name, parameters, and return type. Defines how to call and use the procedure.
Flashcard 24: State the term for the code block inside a procedure.
Answer: Procedure body. The executable code that implements the procedure's logic.
Flashcard 25: Identify the error: def greet(): print('Hello') return
Answer: No error; syntax is correct. Valid syntax for procedure with print side effect.
Flashcard 26: What is the base case in recursion?
Answer: The condition to stop recursion. Prevents infinite recursion by providing an exit condition.
Flashcard 27: What is a lambda function?
Answer: An anonymous, inline function. Concise way to create simple functions inline.
Flashcard 28: Identify the error: def divide(a, b): return a / b
Answer: No error; syntax is correct. Valid division function with proper return statement.
Flashcard 29: State the term for input values a procedure uses.
Answer: Parameters. Variables that accept data when the procedure is called.
Flashcard 30: Find the error: def subtract(a, b): print(a - b) return
Answer: No error; syntax is correct. Valid procedure with side effect and empty return.
Flashcard 31: Choose the correct type: procedure vs. method
Answer: Method: Bound to an object; Procedure: Not bound. Methods belong to classes; procedures are independent.
Flashcard 32: Identify the error: def hello(name) print('Hello, ' + name)
Answer: Missing colon after parameters. Function definitions require colon after parameter list.
Flashcard 33: What does 'def' stand for in Python?
Answer: Define a procedure. Short for 'definition' in function declarations.
Flashcard 34: Choose the correct type: procedure vs. method
Answer: Method: Bound to an object; Procedure: Not bound. Methods belong to classes; procedures are independent.
Flashcard 35: Find the syntax error: def add(a, b): return a + b
Answer: No error; syntax is correct. Valid Python function syntax with proper colon and return.
Flashcard 36: What is a procedure's precondition?
Answer: Conditions assumed true before execution. Requirements that must be met before calling.
Flashcard 37: What is a procedure's name?
Answer: Identifier used to invoke it. Label that distinguishes it from other procedures.
Flashcard 38: What is the base case in recursion?
Answer: The condition to stop recursion. Prevents infinite recursion by providing an exit condition.
Flashcard 39: What is a procedure's postcondition?
Answer: Conditions ensured after execution. Guarantees about the procedure's results or effects.
Flashcard 40: Identify the error: def increment(x): x += 1 return x
Answer: No error; syntax is correct. Valid function that modifies and returns parameter.
Flashcard 41: What is the term for executing a procedure?
Answer: Procedure invocation. The act of running or calling a procedure.
Flashcard 42: Identify the error: def multiply(a, b) return a * b
Answer: Missing colon after parameters. Python requires colon after parameter list in function definitions.
Flashcard 43: What is a procedure's name?
Answer: Identifier used to invoke it. Label that distinguishes it from other procedures.
Flashcard 44: What is a side effect in procedures?
Answer: An impact beyond returning a value. Changes program state beyond the return value.
Flashcard 45: What is the term for a procedure without parameters?
Answer: Parameterless procedure. Takes no input values when called.
Flashcard 46: State the term for a procedure that calls itself.
Answer: Recursive procedure. Uses divide-and-conquer by breaking problems into smaller parts.
Flashcard 47: Identify the keyword used to define a procedure in Python.
Answer: def. Standard Python syntax for creating function definitions.
Flashcard 48: Choose the correct usage: procedure vs. function
Answer: Procedure: No return; Function: Returns value. Functions return values; procedures perform actions.
Flashcard 49: What is the purpose of a procedure in programming?
Answer: Encapsulate code for reuse and modularity. Breaks complex programs into manageable, reusable components.
Flashcard 50: Identify the error: def sum(a, b = 5, c)
Answer: Default parameter must be last. Default parameters must come after required parameters.
Flashcard 51: What is a procedure's postcondition?
Answer: Conditions ensured after execution. Guarantees about the procedure's results or effects.
Flashcard 52: What is a default parameter?
Answer: A parameter with a default value. Provides fallback value when argument is not supplied.
Flashcard 53: State the term for input values a procedure uses.
Answer: Parameters. Variables that accept data when the procedure is called.
Flashcard 54: What is a side effect in procedures?
Answer: An impact beyond returning a value. Changes program state beyond the return value.
Flashcard 55: Identify the error: def increment(x): x += 1 return x
Answer: No error; syntax is correct. Valid function that modifies and returns parameter.
Flashcard 56: What is a procedure's precondition?
Answer: Conditions assumed true before execution. Requirements that must be met before calling.
Flashcard 57: Identify the error: def greet(): print('Hello') return
Answer: No error; syntax is correct. Valid syntax for procedure with print side effect.
Flashcard 58: Identify the error: def sum(a, b = 5, c)
Answer: Default parameter must be last. Default parameters must come after required parameters.
Flashcard 59: State the principle of DRY in programming.
Answer: Do not repeat yourself. Promotes code reuse by avoiding duplicate implementations.
Flashcard 60: Identify the error: def multiply(a, b) return a * b
Answer: Missing colon after parameters. Python requires colon after parameter list in function definitions.
Flashcard 61: State the purpose of the 'pass' statement in Python.
Answer: Placeholder for future code. Prevents syntax errors in incomplete code blocks.
Flashcard 62: Which keyword specifies a procedure's output in Python?
Answer: return. Sends a value back to the caller and exits the function.
Flashcard 63: State the term for a procedure that calls itself.
Answer: Recursive procedure. Uses divide-and-conquer by breaking problems into smaller parts.
Flashcard 64: Identify the error: def divide(a, b): return a / b
Answer: No error; syntax is correct. Valid division function with proper return statement.
Flashcard 65: Identify the issue: result = multiply(2, 3) print(result)
Answer: No issue; syntax is correct. Valid code that calls function and prints result.
Flashcard 66: Choose the correct usage: procedure vs. function
Answer: Procedure: No return; Function: Returns value. Functions return values; procedures perform actions.
Flashcard 67: State the principle of DRY in programming.
Answer: Do not repeat yourself. Promotes code reuse by avoiding duplicate implementations.
Flashcard 68: Find the error in this procedure call: add(2, )
Answer: Missing second argument. Function expects two arguments but only receives one.
Flashcard 69: What does 'def' stand for in Python?
Answer: Define a procedure. Short for 'definition' in function declarations.
Flashcard 70: What is the difference between 'return' and 'print'?
Answer: 'return' outputs from a function; 'print' displays. Return sends values; print shows text on screen.
Flashcard 71: Find the error in this procedure call: add(2, )
Answer: Missing second argument. Function expects two arguments but only receives one.