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Python MCQ Questions for Competitive Programming
Quick Quiz
Which of these programming languages is considered platform-independent?
a. High-level language
b. Machine-level language
c. Assembly language
d. All of the above
Option a – High-level language
Which among the following is categorized as a high-level programming language?
a. C++
b. Java
c. C
d. All of the above
Option d – All of the above
Which tool converts source code into object code?
a. Compiler
b. Debugger
c. Interpreter
d. Assembler
Option a – Compiler
What is the main role of a variable in programming?
a. To hold and manage data
b. To guide the flow of execution
c. To present output to the screen
d. To insert notes in the code
Option a – To hold and manage data
Which data type is generally not used to store numerical data?
a. int
b. string
c. float
d. double
Option b – string
What does the word ‘algorithm’ signify in the context of programming?
a. A type of code language
b. A methodical series of steps to solve a problem
c. The memory of a computer
d. A data structure category
Option b – A methodical series of steps to solve a problem
Which of the following is used to keep executing a set of instructions until a condition fails?
a. if statement
b. for loop
c. switch statement
d. function
Option b – for loop
What is the main function of an if-else statement?
a. To define reusable code blocks
b. To choose between two paths depending on a condition
c. To initialize a variable
d. To start a loop
Option b – To choose between two paths depending on a condition
Which option below is not recognized as a programming language?
a. Python
b. JavaScript
c. HTML
d. C++
Option c – HTML
Why is a while loop used in a program?
a. To go through each item in a sequence
b. To run a task a certain number of times
c. To declare a method
d. To repeat actions while a condition holds true
Option d – To repeat actions while a condition holds true
What best defines a function in programming?
a. A command to print text
b. A storage mechanism for data
c. A modular block of code that performs a defined task
d. A type of repeating structure
Option c – A modular block of code that performs a defined task
What does a syntax error mean in programming?
a. An incorrect logic flow
b. Unexpected output from the program
c. A design flaw in the software
d. Breaking the language’s grammar rules
Option d – Breaking the language’s grammar rules
Which of these structures operates on the Last In, First Out method?
a. Queue
b. Stack
c. Linked list
d. Array
Option b – Stack
What is the term for a value that does not change during the execution of a program?
a. Constant
b. Variable
c. Parameter
d. Function
Option a – Constant
Which of the following is NOT a valid data type in many programming languages?
a. Boolean
b. Decimal
c. Character
d. Integer
Option b – Decimal
What does the acronym HTTP stand for in web development?
a. Hyperlink Text Transfer Protocol
b. HyperText Transfer Protocol
c. High-Tech Transfer Protocol
d. HyperTransfer Text Protocol
Option b – HyperText Transfer Protocol
In programming, what is the purpose of an array?
a. To store a single value
b. To store a collection of values of the same type
c. To perform mathematical calculations
d. To define a function
Option b – To store a collection of values of the same type
Which operator is used for logical NOT in many programming languages?
a. &&
b. ||
c. !
d. ~
Option c – !
What does the term DRY stand for in programming?
a. Don’t Repeat Yourself
b. Data Retrieval Yield
c. Debugging Rules for You
d. Dynamic Resource Yield
Option a – Don’t Repeat Yourself
In object-oriented programming, what is inheritance?
a. A mechanism for defining classes
b. A way to create objects
c. A process where a class can inherit attributes and methods from another class
d. A type of loop
Option c – A process where a class can inherit attributes and methods from another class
Which of the following is NOT a commonly used programming language?
a. Java
b. Ruby
c. Pascal
d. Monitor
Option d – Monitor
What is a data structure in programming?
a. A program’s user interface
b. A way to structure code
c. A way to organize and store data for efficient access and modification
d. A type of algorithm
Option c – A way to organize and store data for efficient access and modification
What is the purpose of the else if (or “elif”) statement in programming?
a. To end the program
b. To specify the input data
c. To define a function
d. To provide an alternative condition to check if the initial condition is false
Option d – To provide an alternative condition to check if the initial condition is false
What is typecasting in programming?
a. Casting a magic spell to fix errors in code
b. Converting a value from one data type to another
c. Declaring a variable with a specific type
d. A type of loop structure
Option b – Converting a value from one data type to another
What is the term for a variable that is accessible from any part of a program?
a. Global variable
b. Local variable
c. Constant variable
d. Instance variable
Option a – Global variable
What is the purpose of the “try…catch” or “try…except” block in programming?
a. To execute code unconditionally
b. To handle and recover from exceptions or errors
c. To declare a function
d. To define a loop
Option b – To handle and recover from exceptions or errors
What is the function of a pointer in programming?
a. An input device for software
b. A variable that refers to a specific memory location
c. A looping mechanism
d. A word reserved by the programming language
Option b – A variable that refers to a specific memory location
What does the continue statement do in a loop?
a. Ends the loop immediately
b. Shuts down the software
c. Skips the current iteration and proceeds with the next one
d. Displays output to the screen
Option c – Skips the current iteration and proceeds with the next one
Which one is an example of a high-level programming language?
a. Assembly code
b. C
c. Machine-level instructions
d. Python
Option d – Python
What is meant by garbage collection in programming?
a. Getting rid of obsolete hardware
b. Structuring large data sets
c. Automatically freeing memory from unused objects
d. Enhancing data transfer speed
Option c – Automatically freeing memory from unused objects
What does concurrency mean in computer programs?
a. A type of iteration
b. Running multiple tasks at once within a program
c. Declaring identifiers
d. A kind of cryptographic process
Option b – Running multiple tasks at once within a program
In computing, what is a bit?
a. A compact software tool
b. A single binary value, either 0 or 1
c. A timing unit
d. A type of data container
Option b – A single binary value, either 0 or 1
Which of the following is not a standard data structure?
a. Stack
b. Queue
c. Graph
d. String
Option d – String
What is meant by print-based debugging?
a. Fixing errors by removing buggy code
b. Adding print commands to monitor code behavior and values
c. Using loops to detect bugs
d. Speeding up code execution
Option b – Adding print commands to monitor code behavior and values
What does SQL mean in terms of databases?
a. Structured Query Language
b. Sequential Query Language
c. Simple Query Logic
d. System Query Language
Option a – Structured Query Language
In computing, what is the purpose of a byte?
a. Represents a single binary digit
b. Stores one character in memory
c. Controls looping in code
d. Handles decimal numbers
Option b – Stores one character in memory
What is pair programming?
a. Two developers working together on the same task
b. Programming using only two languages
c. Enhancing software performance
d. Creating code to solve math equations
Option a – Two developers working together on the same task
What is abstraction in programming?
a. Making code overly detailed
b. Increasing execution speed
c. Simplifying complex systems by dividing them into manageable parts
d. Creating loops that hide logic details
Option c – Simplifying complex systems by dividing them into manageable parts
What do shallow copy and deep copy mean in programming?
a. Two distinct programming languages
b. Different styles for writing comments in code
c. Techniques for saving objects in a specific format
d. Ways to copy objects where shallow copy duplicates only the main object, and deep copy duplicates all nested objects
Option d – Ways to copy objects where shallow copy duplicates only the main object, and deep copy duplicates all nested objects
What is a lambda function in programming?
a. A function written in a non-native programming language
b. A type of loop structure
c. A function without a name that can be passed as an argument to other functions
d. A method used for encrypting data
Option c – A function without a name that can be passed as an argument to other functions
What does dependency injection refer to in software design?
a. Adding external resources or components into a program
b. A technique to improve code performance
c. A pattern where an object’s dependencies are supplied from outside rather than created internally
d. A way to serialize objects
Option c – A pattern where an object’s dependencies are supplied from outside rather than created internally
What does dynamic typing mean in programming languages?
a. A process of restructuring code
b. A method to enhance code efficiency
c. The capability for variables to hold data of different types during program execution
d. A type of loop control
Option c – The capability for variables to hold data of different types during program execution
Which of the following is NOT considered a high-level programming language?
a. Python
b. Java
c. Assembly language
d. C#
Option c – Assembly language
What is the main benefit of using high-level programming languages instead of low-level ones?
a. They generally run faster
b. They allow more precise control over hardware
c. They are easier to read, write, and work across different platforms
d. They consume less memory
Option c – They are easier to read, write, and work across different platforms
Which high-level programming language is known for being easy to read and understand?
a. C++
b. Perl
c. Python
d. Ruby
Option c – Python
What is the main role of a compiler in high-level programming?
a. To translate source code into machine-readable instructions
b. To run the program
c. To produce random numbers
d. To build user interfaces
Option a – To translate source code into machine-readable instructions
Which of these is a high-level programming language commonly used in web development?
a. HTML
b. CSS
c. JavaScript
d. SQL
Option c – JavaScript
Which high-level programming language is frequently used in scientific and numerical work because of its extensive libraries?
a. Java
b. Ruby
c. MATLAB
d. Swift
Option c – MATLAB
What does it mean when a programming language is described as interpreted?
a. The code is first converted into machine code before running
b. The code is executed directly, one line at a time, without prior compilation
c. It is used exclusively for numerical calculations
d. It is an outdated language no longer used
Option b – The code is executed directly, one line at a time, without prior compilation
How is exception handling defined in high-level programming?
a. Creating user-defined data types
b. Encrypting data securely
c. Managing unexpected issues or errors that occur during the execution of a program
d. Declaring program variables
Option c – Managing unexpected issues or errors that occur during the execution of a program
Which one of the following is not typically considered a high-level programming language?
a. JavaScript
b. Ruby
c. Assembly language
d. Swift
Option c – Assembly language
What is one of the key difficulties in machine translation?
a. Achieving flawless accuracy
b. Maintaining consistent use of terminology
c. Interpreting idiomatic phrases correctly
d. Lack of available translation APIs
Option c – Interpreting idiomatic phrases correctly
In the context of translation, what does “source language” mean?
a. The translator’s native language
b. The original language that needs to be translated
c. The language into which content is translated
d. The author’s preferred language
Option b – The original language that needs to be translated
Which of the following is widely used by professional translators as a Computer-Assisted Translation (CAT) tool?
a. Google Translate
b. SDL Trados
c. Duolingo
d. Microsoft Word
Option b – SDL Trados
What is the function of a plugin in a CAT tool?
a. Playing audio versions of translated content
b. Adding extra features to CAT software
c. Converting text into spoken language
d. Translating handwritten notes
Option b – Adding extra features to CAT software
Which technology helps convert spoken words into written text for translation purposes?
a. Optical Character Recognition (OCR)
b. Automatic Speech Recognition (ASR)
c. Translation memory
d. Machine translation
Option b – Automatic Speech Recognition (ASR)
What is phrase-based translation in the context of machine translation?
a. A technique that uses segments of text instead of whole sentences to improve translation quality
b. A method that relies on idioms for translation accuracy
c. A type of translation done with human support
d. A translation system fully powered by neural networks
Option a – A technique that uses segments of text instead of whole sentences to improve translation quality
What is the core function of an assembler in programming?
a. Turning high-level code directly into machine instructions
b. Enhancing code to run more efficiently
c. Translating assembly instructions into machine-readable format
d. Running software applications
Option c – Translating assembly instructions into machine-readable format
Which feature best describes assembly language?
a. It belongs to the category of high-level languages
b. It is simple and user-friendly for programmers
c. It is hardware-specific and closely aligned with a system’s architecture
d. It is written using everyday human language
Option c – It is hardware-specific and closely aligned with a system’s architecture
What is the main job of a compiler in software development?
a. Running the program directly
b. Converting high-level code into machine-level or intermediate code
c. Executing code one line at a time
d. Improving code for performance efficiency
Option b – Converting high-level code into machine-level or intermediate code
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