PCEP-30-02 1.1 Understand Fundamental Terms and Definitions PCEP-30 Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A team is deciding whether to distribute a Python application as source code or as compiled bytecode. They want the application to run on multiple operating systems without recompilation. What should they do?

   • ADistribute the .py source files; the interpreter will compile and execute them on each target system.
   • BDistribute the source code and require users to manually compile it to bytecode before running.
   • CDistribute compiled .pyc files only; they are platform-independent and can run on any OS without the interpreter.
   • DDistribute machine-code executables compiled on one OS; they will run on any other OS because Python is cross-platform.
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2. 12expert · medium

   A developer is reviewing code and sees the following line: ```python def calculate_area(radius): return 3.14 * radius ** 2 ``` They need to explain to a colleague which parts are tokens and which are not. Which statement is accurate?

   • AOnly keywords and operators are tokens; identifiers and literals are not part of the lexis.
   • BThe entire function definition is a single token because it is one logical unit.
   • CAll parts of the line are tokens: keywords, identifiers, literals, operators, and punctuation.
   • D`def`, `return`, and `**` are tokens, but `calculate_area` and `radius` are not because they are user-defined names.
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4. 13foundation · easy

   Which of the following is a syntax error in Python?

   • AWriting 'print('Hello')' without closing the parenthesis.
   • BAssigning a string to a variable that was previously an integer.
   • CUsing an undefined variable name.
   • DDividing an integer by zero.
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5. 14application · medium

   A student writes `if x = 5:` and Python reports a SyntaxError. The student insists the line should work because they know what they mean. Which explanation best describes the problem?

   • AThe line is syntactically correct but semantically wrong because `=` means assignment, not comparison.
   • BThe line is correct but the interpreter is too strict; other languages allow this syntax.
   • CThe line violates Python's syntax rules because `=` is not allowed in a condition; `==` is required.
   • DThe problem is that `x` is not defined before the if statement.
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6. 15application · medium

   A developer is debugging a Python script that fails with an error on line 5. They fix the error and run the script again, but now it fails on line 8. What does this behavior illustrate about the Python interpreter?

   • AThe interpreter compiles the entire program to machine code before running, so errors are found all at once.
   • BThe interpreter only checks syntax, not runtime errors, so it cannot detect the error on line 8 until the program is fully compiled.
   • CThe interpreter executes code line by line, so errors are discovered sequentially as execution reaches each line.
   • DThe interpreter skips errors on later lines if an earlier line fails, so fixing line 5 reveals the next error.
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