Principles of Programming Set 2

What is the purpose of the try...except block?

• Import modules
• Handle input
• Manage exceptions
• Define variables
• Control indentation

Answer explanation

It prevents the program from crashing on errors.

Which tool is used for structured technical writing?

• PlantUML
• Overleaf
• VS Code
• Postman
• Swagger

Answer explanation

Overleaf is used for LaTeX documents.

What is the output of print(bool(1 and 0))?

• True
• False
• Error
• 1

Answer explanation

1 and 0 results in 0, which is False.

Which keyword is used to define a static method?

• @method
• staticmethod
• @classmethod
• @staticmethod
• methoddef

Answer explanation

Decorator @staticmethod is used for static methods.

What does JIT stand for in compiler design?

• Jumping Intermediate Translation
• Just In Time Compilation
• Java Interpreter Technique
• Jumbled Instruction Table
• Java Implementation Tool

Answer explanation

JIT compiles hot code during execution to optimize performance.

AOT compilation occurs at which point in the software lifecycle?

• During runtime
• Before execution
• While debugging
• After garbage collection
• During interpretation

Answer explanation

AOT compiles code into machine instructions before running.

What does __doc__ store?

• Module name
• Script status
• Docstring content
• Import paths
• Variable values

Answer explanation

It holds the module’s documentation string.

Which operator is used for exponentiation?

• ^
• **
• pow
• ^*
• ^^

Answer explanation

** is used to raise powers in Python.

What will be printed? print("A" * 3)

• AAA
• A3
• Error
• A A A
• 3A

Answer explanation

The string is repeated 3 times.

What is the primary feature of a CLI?

• Mouse interaction
• Text-based input
• Speech control
• GUI buttons
• Voice commands

Answer explanation

CLI uses text input rather than graphical interfaces.