IOS601- MIDTERM

Which of the following is NOT a benefit of using Git?

File compression

What does git clone do?

Duplicates an existing repository from a remote source

What is the purpose of GitHub?

A cloud-based platform for Git repositories

Which of the following is NOT a basic Linux command?

git init

What does ls -l do in Linux?

Lists files in long format

What is Git?

A distributed version control system

What command is used to generate an SSH key?

ssh-keygen

What is the primary function of Linux?

An open-source operating system kernel

What is the kernel in an operating system?

The core that interacts with hardware

What is the purpose of git commit -m 'message'?

To save changes with a commit message

How do you check the status of a Git repository?

git status

What is the purpose of WSL (Windows Subsystem for Linux)?

To run a Linux environment on Windows

What command is used to create a virtual environment in Python?

python -m venv venv

What is the role of pip install -r requirements.txt?

Installs all dependencies listed in requirements.txt

What does git pull do?

Fetches and merges changes from a remote repository

What is the purpose of Live Server in VS Code?

To run a local development server for web applications

What command is used to check the Python version installed on a system?

python --version

What is the purpose of a Python virtual environment (venv)?

To manage dependencies and isolate projects

What is the purpose of the WSL extension in VS Code?

To enable Linux-based development on Windows

What is GitHub used for?

A platform for hosting Git repositories

What does the pytest framework do?

Runs automated tests in Python

What is polymorphism in OOP?

The ability of a function to perform different tasks based on input

What is an instance in OOP?

A specific object created from a class

What does super() do in Python?

Calls the constructor of the parent class

What does @classmethod do in Python?

Defines a method that takes the class (cls) as the first argument

What is the difference between assertEqual() and assertNotEqual()?

assertEqual() checks if values are equal, assertNotEqual() checks if they are different

What is abstraction in OOP?

Hiding complex implementation details and exposing only the necessary parts

What is the difference between deepcopy() and copy()?

deepcopy() creates independent copies, while copy() creates a reference copy

What is the purpose of mocks in unit testing?

To simulate external dependencies in testing

What does the init method do in Python classes?

Initializes an instance of a class

What is a metaclass in Python?

A class that defines the behavior of other classes

What does @property do in Python?

Makes a method behave like an attribute

What is an interface in Python?

A class that defines methods without implementing them

What is the purpose of a design pattern in software development?

To provide reusable solutions for common problems

What does duck typing mean in Python?

Determining an object's behavior based on its methods rather than its class

What is multiple inheritance in Python?

When a class inherits from more than one class

What does call() do in Python?

Makes an object callable like a function

How do you prevent method overriding in a subclass?

By using the final keyword

How do you check if an object is an instance of a specific class?

isinstance(object, class)

What is the Strategy design pattern used for?

Defining a family of algorithms and making them interchangeable

What is the primary purpose of the Observer pattern?

Manage event-driven programming by notifying multiple objects

What is the purpose of logging in Python?

Debugging and monitoring applications

What does the Facade design pattern do?

Provides a simplified interface to a larger system

What does undo do in the calculator program?

Reverts the last operation

What is the purpose of a .env file in a Python application?

Store environment variables for configuration

What is an ORM in Python?

Object Relational Mapping

What is an .ini file used for?

Configuration settings

What does clear do in the calculator?

Clears calculation history

Why is maintaining a clear commit history in Git important for the midterm project?

It ensures academic integrity and tracks project progress

How is calculation history stored in the midterm project?

Using a pandas DataFrame and CSV file

What is the primary goal of the midterm assessment in Module 6?

To evaluate understanding of OOP, design patterns, and data management

What command is used to activate a virtual environment in Linux?

source venv/bin/activate

What principle should be followed to avoid code duplication in the midterm project?

DRY (Don't Repeat Yourself)

What is the role of the Memento pattern in the midterm project?

To enable undo and redo functionality

Why is input validation important in the calculator application?

To ensure user inputs are correct and within valid ranges

What happens if a required environment variable is missing in the .env file?

The program assigns a default value

What does the calculator_memento.py file implement?

Memento Pattern for undo/redo functionality

What is the function of the pytest --cov=app --cov-fail-under=90 command in GitHub Actions?

To measure test coverage and enforce a 90% minimum