Top 30 multiple-choice questions (MCQs) only focused on the Introduction to Native Compiled Applications covering below topics,along with their answers and explanations.
• Defining native compiled applications and their role in web security.
• Discussing the differences between interpreted and compiled languages.
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1. What is a native compiled application?
- A web application written in JavaScript
- An application that runs directly on hardware without the need for an interpreter
- An application that relies on server-side scripting
- An app designed for mobile devices
Native compiled applications are those that are translated into machine code for a specific hardware architecture and can run directly without the need for an interpreter.
2. How do native compiled applications contribute to web security?
- By relying on server-side security measures
- By executing code on the client-side
- By avoiding common vulnerabilities in interpreted languages
- By using dynamic typing
Native compiled applications can enhance web security by reducing common vulnerabilities associated with interpreted languages.
3. Which of the following is a key difference between interpreted and compiled languages?
- Compilation process
- Execution speed
- Portability
- Both A and B
Both the compilation process and execution speed are key differences between interpreted and compiled languages.
4. What is the primary role of an interpreter in programming languages?
- Converts source code into machine code
- Executes code directly without prior translation
- Optimizes code for better performance
- Checks for syntax errors during compilation
An interpreter executes code directly without the need for prior translation, unlike a compiler.
5. Which language is commonly associated with interpreted execution?
- C
- Java
- Python
- C++
Python is commonly associated with interpreted execution, although it supports both interpreted and compiled modes.
6. What advantage does a native compiled application have in terms of performance?
- Slower execution speed
- Reduced memory consumption
- Platform independence
- Dynamic typing
Native compiled applications often exhibit reduced memory consumption, contributing to better performance.
7. In web security, what is a potential drawback of interpreted languages?
- Faster execution speed
- Reduced vulnerability to injection attacks
- Dependency on runtime environments
- Improved code readability
Interpreted languages may have a dependency on runtime environments, potentially posing a security risk.
8. Which type of languages typically requires a virtual machine for execution?
- Compiled languages
- Interpreted languages
- Machine languages
- Assembly languages
Interpreted languages often require a virtual machine for execution, providing a layer between the code and the hardware.
9. What does the compilation process involve in a compiled language?
- Execution of code line by line
- Direct translation of source code into machine code
- Optimization of code during runtime
- Interpretation of bytecode
The compilation process in a compiled language involves the direct translation of source code into machine code.
10. How does platform independence differ between interpreted and compiled languages?
- Interpreted languages are platform-independent, while compiled languages are not.
- Compiled languages are platform-independent, while interpreted languages are not.
- Both interpreted and compiled languages are platform-independent.
- Both interpreted and compiled languages are platform-dependent.
Interpreted languages are often more platform-independent compared to compiled languages.
11. Which of the following is an example of a compiled language?
- Python
- JavaScript
- C++
- Ruby
C++ is an example of a compiled language, where code is translated into machine code before execution.
12. What is the primary benefit of using interpreted languages in development?
- Faster execution speed
- Enhanced security
- Platform independence
- Optimized memory usage
Interpreted languages often provide platform independence, allowing code to run on different systems without modification.
13. Which of the following statements is true regarding native compiled applications?
- They always rely on a virtual machine for execution.
- They are written in high-level languages like Python.
- They run directly on hardware without the need for an interpreter.
- They are less secure compared to interpreted applications.
Native compiled applications run directly on hardware without the need for an interpreter.
14. What is a common drawback of interpreted languages in terms of performance?
- Slower execution speed
- Higher memory consumption
- Limited code readability
- Improved code optimization
Interpreted languages may exhibit slower execution speed compared to compiled languages.
15. In the context of web security, what is a potential advantage of native compiled applications?
- Reduced vulnerability to injection attacks
- Dependence on runtime environments
- Code execution on the client-side
- Avoidance of common interpreted language vulnerabilities
Native compiled applications can avoid common vulnerabilities associated with interpreted languages, contributing to better web security.
16. How does compilation impact the deployment of native compiled applications?
- Compilation introduces compatibility issues.
- Compilation simplifies deployment by providing standalone executables.
- Compilation increases the dependency on runtime environments.
- Compilation has no impact on deployment.
Compilation simplifies deployment by generating standalone executables that can run independently of the development environment.
17. Which of the following languages is often associated with server-side scripting?
- C
- JavaScript
- Python
- Java
Python is often used for server-side scripting, allowing the execution of code on the server.
18. What role does dynamic typing play in interpreted languages?
- It enhances code optimization.
- It simplifies deployment.
- It allows variables to change types at runtime.
- It improves execution speed.
Dynamic typing in interpreted languages allows variables to change types at runtime, providing flexibility but potentially introducing errors.
19. How does the compilation process contribute to the performance of native compiled applications?
- It decreases execution speed.
- It introduces additional security vulnerabilities.
- It optimizes code for faster execution.
- It has no impact on performance.
The compilation process optimizes code, contributing to faster execution and improved performance.
20. Which of the following languages is often associated with bytecode and virtual machines?
- C
- Java
- Python
- Swift
Java is often associated with bytecode and virtual machines, allowing platform-independent execution.
21. What is a potential advantage of interpreted languages in terms of code readability?
- Enhanced security
- Reduced vulnerability to injection attacks
- Slower execution speed
- Improved code readability
Interpreted languages may offer improved code readability, making it easier for developers to understand and maintain code.
22. How does the interpretation process differ from the execution of compiled code?
- Interpretation occurs line by line during execution.
- Compilation results in standalone executables.
- Interpretation does not impact execution speed.
- Compilation introduces a dependency on runtime environments.
Interpretation occurs line by line during execution, whereas compiled code is translated into machine code before execution.
23. What is a common characteristic of compiled languages in terms of execution speed?
- Slower execution compared to interpreted languages
- Faster execution compared to interpreted languages
- Constant execution speed across all scenarios
- Lack of impact on execution speed
Compiled languages often exhibit faster execution speed compared to interpreted languages.
24. In the context of web security, what is a potential disadvantage of native compiled applications?
- Reduced vulnerability to injection attacks
- Limited platform independence
- Dependence on runtime environments
- Increased susceptibility to cross-site scripting
Native compiled applications may have limited platform independence compared to interpreted languages.
25. What role does the interpreter play in the execution of code in interpreted languages?
- It translates source code into machine code before execution.
- It executes code directly without prior translation.
- It optimizes code for better performance.
- It checks for syntax errors during compilation.
The interpreter executes code directly without the need for prior translation, unlike a compiler.
26. How does the compilation process impact the portability of compiled code?
- It enhances portability by generating platform-independent code.
- It reduces portability by introducing platform-specific optimizations.
- It has no impact on the portability of code.
- It only impacts the execution speed, not portability.
The compilation process can enhance portability by generating platform-independent code.
27. Which of the following languages is often associated with low-level programming and system development?
- Python
- Java
- C
- Ruby
C is often associated with low-level programming and system development due to its close-to-hardware nature.
28. What is a potential drawback of dynamic typing in interpreted languages?
- Improved code flexibility
- Reduced chances of runtime errors
- Decreased code readability
- Enhanced security
Dynamic typing in interpreted languages may decrease code readability and increase the chances of runtime errors.
29. How does the interpretation process impact the deployment of interpreted code?
- It simplifies deployment by providing standalone executables.
- It introduces compatibility issues.
- It has no impact on deployment.
- It may require the distribution of source code.
The interpretation process may require the distribution of source code, impacting the deployment of interpreted code.
30. What is a potential advantage of compiled languages in terms of security?
- Reduced vulnerability to injection attacks
- Platform independence
- Code execution on the client-side
- Avoidance of common interpreted language vulnerabilities
Compiled languages can avoid common vulnerabilities associated with interpreted languages, contributing to better security.
