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PCEP Certification Practice: Python ArithmeticError Exception

PCEP Certification Practice Test - Questions, Answers and Explanations

Below are 25 Certified Entry-Level Python Programmer (PCEP) style questions, focusing on “ArithmeticError” from Python’s built-in exception hierarchy. These questions follow different formats, including single and multiple-select, "Place" & "Gap fill", sorting, code fill, and code insertion.

Question 1: Which of the following best describes the ArithmeticError exception in Python?

  1. It is raised when an incorrect data type is used in an arithmetic operation.
  2. It is an abstract base class for exceptions that occur during arithmetic operations.
  3. It is raised directly when a mathematical error occurs.
  4. It handles division by zero errors specifically.
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Answer: B) It is an abstract base class for exceptions that occur during arithmetic operations.

Explanation: ArithmeticError is an abstract base class for exceptions like ZeroDivisionError, OverflowError, and FloatingPointError, and is not raised directly.

Question 2: Which of the following exceptions are subclasses of ArithmeticError? (Select all that apply.)

  • ZeroDivisionError
  • OverflowError
  • MemoryError
  • FloatingPointError
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Answer: A) ZeroDivisionError
B) OverflowError
D) FloatingPointError

Explanation: ZeroDivisionError, OverflowError, and FloatingPointError are all subclasses of ArithmeticError. MemoryError is unrelated to arithmetic operations.

Question 3: _________ is raised when the result of a floating-point operation is too small to be represented.

  1. OverflowError
  2. ZeroDivisionError
  3. FloatingPointError
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Answer: C) FloatingPointError

Explanation: FloatingPointError is raised when an issue occurs with a floating-point operation, such as when a result cannot be represented.

Question 4: The __________ exception is raised when a number is divided by zero.

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Answer: ZeroDivisionError

Explanation: ZeroDivisionError is raised when an attempt is made to divide by zero, which is mathematically undefined.

Question 5: Fill in the blanks in the following code to catch an arithmetic error when dividing by zero:

try:
    result = 5 / 0
except __________:
    print("An arithmetic error occurred.")
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Answer: except ZeroDivisionError:

Explanation: This code raises a ZeroDivisionError because of division by zero, and the except ZeroDivisionError block catches and handles this specific error.

Question 6: Which of the following exceptions is not a subclass of ArithmeticError?

  1. OverflowError
  2. ZeroDivisionError
  3. TypeError
  4. FloatingPointError
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Answer: C) TypeError

Explanation: TypeError is unrelated to ArithmeticError. It is raised when an operation or function is applied to an object of an inappropriate type, not during arithmetic errors.

Question 7: Insert the correct exception handling code to catch all arithmetic errors in the following code snippet:

try:
    result = 1 / 0
except __________:
    print("An arithmetic error occurred.")
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Answer: except ArithmeticError:

Explanation: ArithmeticError is the base class for all exceptions related to arithmetic operations, such as ZeroDivisionError, OverflowError, and FloatingPointError. Catching it will handle any arithmetic-related error.

Question 8: Which of the following scenarios could raise an ArithmeticError or one of its subclasses? (Select all that apply.)

  1. Dividing a number by zero.
  2. Multiplying very large numbers beyond Python's limits.
  3. Attempting to access an undefined variable.
  4. An error in a floating-point calculation.
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Answer: A) Dividing a number by zero.
B) Multiplying very large numbers beyond Python's limits.
D) An error in a floating-point calculation.

Explanation: ArithmeticError or its subclasses (ZeroDivisionError, OverflowError, FloatingPointError) are raised for operations like division by zero, exceeding numeric limits, or floating-point calculation issues.

Question 9: The _________ exception is raised when an operation results in a number too large to be represented.

  • ValueError
  • OverflowError
  • ZeroDivisionError
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Answer: B) OverflowError

Explanation: OverflowError is raised when a mathematical operation exceeds the maximum limit for a number.

Question 10: The exception __________ is a subclass of ArithmeticError that is raised when an error occurs in floating-point arithmetic.

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Answer: FloatingPointError

Explanation: FloatingPointError is raised when a floating-point operation encounters an issue, such as an inability to represent a very small or very large number.

Question 11: Arrange the following exceptions in the correct order, from the highest to the lowest in the Python exception hierarchy.

  1. ZeroDivisionError
  2. ArithmeticError
  3. BaseException
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Answer: C) BaseException
B) ArithmeticError
A) ZeroDivisionError

Explanation: BaseException is the highest-level exception, followed by ArithmeticError, which is the base class for all arithmetic-related exceptions, and then ZeroDivisionError, which is a specific subclass.

Question 12: Which of the following exceptions inherit directly from ArithmeticError? (Select all that apply.)

  1. ZeroDivisionError
  2. MemoryError
  3. FloatingPointError
  4. OverflowError
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Answer: A) ZeroDivisionError
C) FloatingPointError
D) OverflowError

Explanation: ZeroDivisionError, FloatingPointError, and OverflowError are direct subclasses of ArithmeticError, while MemoryError is unrelated to arithmetic operations.

Question 13: The abstract exception _________ is the base class for exceptions that occur when an arithmetic operation results in an undefined or unrepresentable value.

  1. ValueError
  2. ArithmeticError
  3. IndexError
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Answer: B) ArithmeticError

Explanation: ArithmeticError is the abstract base class for exceptions that occur during arithmetic operations, such as division by zero or an overflow.

Question 14: When attempting to divide by zero, Python raises the __________ exception, which is a subclass of ArithmeticError.

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Answer: ZeroDivisionError

Explanation: The ZeroDivisionError exception is raised when division or modulo by zero occurs, and it is a subclass of ArithmeticError.

Question 15: Fill in the blanks to catch an OverflowError when an arithmetic operation results in a number that is too large to be represented:

try:
    result = 10 ** 1000
except __________ as e:
    print("Overflow occurred:", e)
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Answer: except OverflowError as e:

Explanation: OverflowError is raised when an arithmetic operation exceeds the numeric limits that Python can handle. In this example, 10 ** 1000 might raise an OverflowError in some systems.

Question 16: Which exception is raised when an attempt is made to perform division or modulo by zero?

  1. ZeroDivisionError
  2. OverflowError
  3. TypeError
  4. ArithmeticError
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Answer: A) ZeroDivisionError

Explanation: ZeroDivisionError is raised specifically for division by zero or modulo by zero operations.

Question 17: Insert the correct exception handling code to catch an ArithmeticError and print a custom message:

try:
    result = 100 / 0
except __________:
    print("An arithmetic operation failed.")
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Answer: except ArithmeticError:

Explanation: By catching ArithmeticError, the code can handle any arithmetic-related exception, including ZeroDivisionError, OverflowError, and FloatingPointError

Question 18: Which of the following arithmetic operations can raise an OverflowError? (Select all that apply.)

  1. 10 ** 10000
  2. 1 / 0
  3. math.exp(1000)
  4. math.sqrt(-1)
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Answer: A) 10 ** 10000
C) math.exp(1000)

Explanation: Exceeding numeric limits, such as raising 10 to a very high power (10 ** 10000) or using exponential functions (math.exp(1000)), can raise an OverflowError. Division by zero raises a ZeroDivisionError, and taking the square root of a negative number raises a ValueError.

Question 19: In Python, _________ is raised when the result of an arithmetic operation exceeds the numeric limits that can be represented.

  1. ZeroDivisionError
  2. OverflowError
  3. FloatingPointError
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Answer: B) OverflowError

Explanation: OverflowError is raised when the result of an arithmetic operation is too large to be represented within the available numeric limits.

Question 20: The __________ exception is raised when a floating-point operation fails due to a precision or representation issue.

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Answer: FloatingPointError

Explanation: FloatingPointError is raised when an error occurs in a floating-point operation, such as precision loss or failure to represent the result.

Question 21: Sort the following exceptions in the correct order, from the most general to the most specific.

  1. ArithmeticError
  2. ZeroDivisionError
  3. BaseException
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Answer: C) BaseException
A) ArithmeticError
B) ZeroDivisionError

Explanation: BaseException is the most general exception, followed by ArithmeticError, which is the base class for all arithmetic-related exceptions. ZeroDivisionError is a specific subclass of ArithmeticError.

Question 22: Which of the following exceptions are directly related to arithmetic operations and are subclasses of ArithmeticError? (Select all that apply.)

  1. ZeroDivisionError
  2. KeyError
  3. FloatingPointError
  4. OverflowError
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Answer: A) ZeroDivisionError
C) FloatingPointError
D) OverflowError

Explanation: ZeroDivisionError, FloatingPointError, and OverflowError are all directly related to arithmetic operations and inherit from ArithmeticError. KeyError is unrelated to arithmetic and is used for dictionary key lookups.

Question 23: The exception _________ is a subclass of ArithmeticError and is raised when an error occurs in floating-point arithmetic operations.

  1. OverflowError
  2. ZeroDivisionError
  3. FloatingPointError
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Answer: C) FloatingPointError

Explanation: FloatingPointError is specifically raised when floating-point operations encounter an error, such as failing to represent a very small or very large number.

Question 24: Fill in the blanks to catch an ArithmeticError when dividing by zero:

try:
    result = 100 / 0
except __________:
    print("Arithmetic error occurred.")
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Answer: except ArithmeticError:

Explanation: ArithmeticError is the base class for all arithmetic exceptions. In this case, it will catch the ZeroDivisionError raised by the division by zero.

Question 25: Which exception is raised when a mathematical operation exceeds the numeric limits of floating-point numbers?

  1. OverflowError
  2. ValueError
  3. TypeError
  4. IndexError
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Answer: A) OverflowError

Explanation: OverflowError is raised when a mathematical operation exceeds the limits of floating-point representation.



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