Computer Programming Tips for Beginners Mcqs 2024

Computer Programming Tips for Beginners Mcqs 2024

1. What is the correct way to start a Python script?
   A) #!/usr/bin/python
   B) #!/usr/bin/env python
   C) // python
   D) Both A and B Answer: D

2. Which data type is used to store decimal numbers in most programming languages?
   A) Integer
   B) Float
   C) Boolean
   D) String Answer: B

3. What does the following code print?

   print("Hello, World!")

A) Hello, World!
B) “Hello, World!”
C) Error
D) None of the above

Answer: A

4. Which of the following is an infinite loop in Python?
   A) for i in range(10): print(i)
   B) while True: print('loop')
   C) if True: print('loop')
   D) None of the above Answer: B

5. In HTML, which tag is used for a hyperlink?
   A) <link>
   B) <a>
   C) <href>
   D) <hyper> Answer: B
   Which of the following is not a programming language?
   A) Python
   B) HTML
   C) Java
   D) C++
   Answer: B
   Which symbol is used to start a single-line comment in Python?
   A) //
   B) #
   C) /*
   D) <!--
   Answer: B
   What is the full form of IDE?
   A) Integrated Development Environment
   B) Internal Development Engine
   C) Intelligent Development Editor
   D) Integrated Data Editor
   Answer: A
   What does int stand for in programming?
   A) Integer
   B) Interval
   C) Integration
   D) Internal
   Answer: A
   Which of the following is a logical operator?
   A) +
   B) &&
   C) =
   D) %
   Answer: B
   
   Data Types and Variables
   Which of these is an immutable data type in Python?
   A) List
   B) Tuple
   C) Dictionary
   D) Set
   Answer: B
   What is the correct way to declare a variable in JavaScript?
   A) variable x = 10;
   B) int x = 10;
   C) var x = 10;
   D) x := 10;
   Answer: C
   Which of these is not a valid variable name?
   A) _var1
   B) 2variable
   C) var_name
   D) variable2
   Answer: B
   In Python, what is the output of type(3.14)?
   A) int
   B) float
   C) double
   D) str
   Answer: B
   Which data structure is used to store key-value pairs?
   A) List
   B) Tuple
   C) Dictionary
   D) Array
   Answer: C
   
   Control Flow
   What is the output of the following code?
   if 5 > 3: print("Yes") else: print("No")
   
   A) Yes
   B) No
   C) Error
   D) None
   Answer: A
   What is the purpose of the break statement?
   A) To stop a program
   B) To exit a loop prematurely
   C) To skip an iteration
   D) None of the above
   Answer: B
   Which keyword is used to skip the current iteration of a loop?
   A) continue
   B) break
   C) exit
   D) pass
   Answer: A
   What is the output of range(5) in Python?
   A) [1, 2, 3, 4, 5]
   B) [0, 1, 2, 3, 4]
   C) [5, 4, 3, 2, 1]
   D) Error
   Answer: B
   
   Functions
   What is a function in programming?
   A) A variable
   B) A reusable block of code
   C) A data type
   D) A class
   Answer: B
   Which keyword is used to define a function in Python?
   A) def
   B) function
   C) fun
   D) define
   Answer: A
   What does the return statement do?
   A) Terminates a loop
   B) Exits the program
   C) Sends back a value from a function
   D) Skips an iteration
   Answer: C
   Which of these is a built-in Python function?
   A) append()
   B) sum()
   C) split()
   D) All of the above
   Answer: D
   What will len([1, 2, 3, 4]) return in Python?
   A) 3
   B) 4
   C) 5
   D) None
   Answer: B
   
   Object-Oriented Programming
   What is an object in programming?
   A) A function
   B) A block of memory
   C) An instance of a class
   D) A data type
   Answer: C
   Which keyword is used to create a class in Python?
   A) class
   B) define
   C) object
   D) type
   Answer: A
   What is inheritance in OOP?
   A) Copying code
   B) Deriving new classes from existing ones
   C) Encapsulation
   D) Polymorphism
   Answer: B
   Which of these is an example of a constructor in Python?
   A) init()
   B) __init__()
   C) self()
   D) class()
   Answer: B
   What is the purpose of the self keyword in Python?
   A) To refer to the class itself
   B) To refer to the instance of the class
   C) To define global variables
   D) None of the above
   Answer: B
   
   Error Handling
   What does try and except do in Python?
   A) Handles exceptions
   B) Loops through a sequence
   C) Defines functions
   D) None of the above
   Answer: A
   What type of error occurs when a program runs but gives incorrect output?
   A) Syntax Error
   B) Runtime Error
   C) Logical Error
   D) Compilation Error
   Answer: C
   Which statement is used to raise exceptions in Python?
   A) throw
   B) raise
   C) catch
   D) assert
   Answer: B
   What is a common file extension for Python scripts?
   A) .java
   B) .py
   C) .txt
   D) .exe
   Answer: B
   What is the output of int('10') + int('20') in Python?
   A) 1020
   B) 30
   C) 10 + 20
   D) Error
   Answer: B
   
   Advanced Concepts
   Which of these is not a database management system?
   A) MySQL
   B) MongoDB
   C) Oracle
   D) Linux
   Answer: D
   What does SQL stand for?
   A) Structured Query Language
   B) Simple Query Language
   C) Standard Query List
   D) Structured Query List
   Answer: A
   What is Git used for?
   A) Programming
   B) Version Control
   C) Testing
   D) Deployment
   Answer: B
   Which company developed Java?
   A) Microsoft
   B) Sun Microsystems
   C) Google
   D) IBM
   Answer: B
   What is the full form of API?
   A) Application Programming Interface
   B) Applied Programming Interaction
   C) Application Process Interaction
   D) Automated Programming Interface
   Answer: A
   
   Let me know if you’d like these in a document or more added!

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