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What is the correct answer?

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

Correct Answer :

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


Related Questions

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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

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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 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

Which programming paradigm is based on the concept of objects?

A. Functional programming

B. Procedural programming

C. Object-oriented programming

D. Declarative programming

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4

What is a loop in programming?

A. A bug in the code

B. A function that repeats a specific task

C. A variable that stores multiple values

D. A conditional statement

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4

What is a pointer in the C programming language?

A. A data type used to store text

B. A variable that stores multiple values

C. A variable that stores the memory address of another variable

D. A type of loop

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4

In the context of cybersecurity, what does the term phishing refer to?

A. Catching harmful computer viruses

B. Fishing for personal information through deceptive emails or websites

C. Encrypting data for security

D. Scanning for network vulnerabilities

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4

What does the term ASCII stand for in the context of character encoding?

A. American Standard Code for Information Interchange

B. Advanced Standard Character Set Instruction

C. Automated System for Computer Information

D. Algorithmic Symbol Coding and Interpretation

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4

What is a variable in programming?

A. A value that cannot be changed

B. A container for storing data

C. A type of loop

D. A function

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4

Which of the following is a valid way to comment out code in Python?

A. /* This is a comment */

B. // This is a comment

C. # This is a comment

D.

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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

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

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 does the acronym HTML stand for?

A. HyperText Markup Language

B. High-Level Text Language

C. Hyperlink Text Management Language

D. Home Tool Markup Language

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4

What is the binary representation of the decimal number 42?

A. 00101010

B. 10101010

C. 11010010

D. 01010101

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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

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

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 is the purpose of the switch statement in programming?

A. To execute code based on multiple conditions

B. To define a function

C. To create graphics

D. To exit a loop

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4

What is the purpose of a database index?

A. To prevent data corruption

B. To optimize data retrieval by providing fast access to specific records

C. To store large amounts of data

D. To encrypt data

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4

Which of the following is not a primary color in the RGB color model?

A. Red

B. Green

C. Blue

D. Yellow

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4

What does the term bit stand for?

A. Binary Text

B. Binary Information Transfer

C. Binary Digit

D. Byte Interval Time

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4

What is the main purpose of a function in programming?

A. To store data

B. To execute code in a random order

C. To perform a specific task or computation

D. To create graphics

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4

What does DNS stand for in the context of the internet?

A. Domain Name System

B. Dynamic Network Service

C. Digital Naming Service

D. Data Network System

What is the correct answer?

4

What is a database schema?

A. A database query

B. A blueprint that defines the structure and organization of a database

C. A database table

D. A database index

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4

What is the purpose of a while loop in programming?

A. To define a function

B. To create graphics

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

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

What is the correct answer?

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.

What is the correct answer?

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

What is the correct answer?

4

In binary, what is the result of the bitwise OR operation (|) between 1010 and 1100?

A. 1000

B. 1110

C. 0110

D. 1010

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4

What is the purpose of the try and except blocks in Python?

A. To define a function

B. To create graphics

C. To handle exceptions and errors

D. To write comments in code