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4

Which of the following is a valid way to define a constant in Python?

A. const pi = 3.14159

B. final float PI = 3.14159

C. PI = 3.14159

D. constant PI = 3.14159

Correct Answer :

C. PI = 3.14159


Related Questions

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4

What is the purpose of a constructor in object-oriented programming?

A. To define a function

B. To create graphics

C. To initialize the attributes of an object when it is created

D. To exit a loop

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4

What is a network firewall used for?

A. To protect against physical intrusions

B. To block unwanted network traffic and protect a network from unauthorized access

C. To boost network speed

D. To filter spam emails

What is the correct answer?

4

What is a data type in programming?

A. A programming language

B. A set of rules for writing code

C. A category of values with a common set of operations

D. A loop

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4

What is a primary key in a database table?

A. A key used to unlock the database

B. A key used for encryption

C. A unique identifier for each record in the table

D. A key used for sorting records

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4

Which of the following is not a fundamental data type in Python?

A. int

B. float

C. list

D. char

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4

What does the term bug refer to in programming?

A. An insect that disrupts the computer's operation

B. A hardware malfunction

C. An error or flaw in a program's code

D. A security vulnerability

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4

In object-oriented programming, what is a class?

A. A type of data structure

B. A step-by-step procedure

C. A blueprint for creating objects

D. A loop

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4

Which of the following is not a valid type of computer network?

A. Local Area Network (LAN)

B. Wide Area Network (WAN)

C. Personal Area Network (PAN)

D. Personal Computer Network (PCN)

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4

Which programming language is often used for web development?

A. Python

B. Java

C. HTML

D. C++

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4

What is the purpose of the do-while loop in programming?

A. To execute a block of code a specific number of times

B. To create graphics

C. To make decisions and execute code conditionally

D. To repeat a block of code while a condition is true, with the condition checked after the loop body

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4

Which of the following is not a valid programming construct in Python?

A. if-else statement

B. switch statement

C. while loop

D. for loop

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4

Which data structure uses a Last-In-First-Out (LIFO) order?

A. Queue

B. Stack

C. Linked List

D. Tree

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4

What does the term algorithmic complexity refer to?

A. The speed at which a program executes

B. The size of a program's source code

C. The number of bugs in a program

D. The amount of memory used by a program

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4

What is the purpose of the for loop in programming?

A. To execute a block of code a specific number of times

B. To make decisions and execute code conditionally

C. To define a function

D. To create graphics

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4

What is the purpose of the while loop in programming?

A. To execute a block of code a specific number of times

B. To define a function

C. To make decisions and execute code conditionally

D. To repeat a block of code while a condition is true

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4

What is the purpose of the break statement in programming?

A. To create a loop

B. To exit a loop prematurely

C. To define a function

D. To print output to the console

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4

Which data structure is used to store a collection of elements with no duplicates?

A. Array

B. Set

C. List

D. Dictionary

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4

What is the purpose of an array in programming?

A. To store a single value

B. To store a collection of values of the same data type

C. To perform mathematical calculations

D. To create graphics

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4

What is the purpose of the if statement in programming?

A. To repeat a block of code

B. To define a function

C. To make decisions and execute code conditionally

D. To create a loop

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4

Which of the following is an example of a network protocol?

A. JPEG

B. HTTP

C. MP3

D. PNG

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4

What is the purpose of the break statement in programming?

A. To create a loop

B. To exit a loop prematurely

C. To define a function

D. To print output to the console

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4

What is a DNS server responsible for in the context of the internet?

A. Storing email messages

B. Translating domain names into IP addresses

C. Managing network hardware

D. Providing web hosting services

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4

What is the purpose of the elif statement in Python?

A. It is used to define a new variable.

B. It is used to handle exceptions.

C. It is used to execute code if the if condition is false.

D. It is used to test multiple conditions sequentially.

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4

What is a conditional operator in programming?

A. An operator that performs mathematical calculations

B. An operator that combines two values

C. An operator that evaluates a condition and returns one of two values based on the condition

D. An operator that compares two values for equality

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4

In the binary number system, what is the value of the leftmost digit?

A. 1

B. 0

C. 2

D. It depends on the context

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4

What does GUI stand for in the context of computer software?

A. Graphic User Interface

B. General User Instruction

C. Graphical Unit Integration

D. Global User Interface

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4

What is the primary function of an operating system?

A. To manage hardware resources and provide services for software

B. To run applications

C. To create graphics

D. To store data

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4

What is the purpose of the finally block in a try-except-finally construct in Python?

A. To define a function

B. To execute code regardless of whether an exception occurred

C. To create graphics

D. To repeat a block of code

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4

In object-oriented programming, what is encapsulation?

A. The process of converting code into an executable program

B. The process of hiding the implementation details of an object

C. The process of compiling code

D. The process of optimizing code for performance

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4

Which sorting algorithm has the worst-case time complexity of O(n^2)?

A. QuickSort

B. MergeSort

C. BubbleSort

D. InsertionSort