What is the maximum value that can be stored in a byte?
128
256
64
512
Correct Answer :
B. 256
Related Questions
What does the term bug refer to in programming?
An insect that disrupts the computer's operation
A hardware malfunction
An error or flaw in a program's code
A security vulnerability
In the context of cybersecurity, what does the term phishing refer to?
Catching harmful computer viruses
Fishing for personal information through deceptive emails or websites
Encrypting data for security
Scanning for network vulnerabilities
Which of the following is not a valid type of computer network?
Local Area Network (LAN)
Wide Area Network (WAN)
Personal Area Network (PAN)
Personal Computer Network (PCN)
Which data type is used to store whole numbers in Python?
float
int
str
bool
What is the purpose of an operating system's file system?
To organize and manage files and directories on storage devices
To connect to the internet
To display graphics on the screen
To execute programs
What is a loop in programming?
A bug in the code
A function that repeats a specific task
A variable that stores multiple values
A conditional statement
What does the term ASCII stand for in the context of character encoding?
American Standard Code for Information Interchange
Advanced Standard Character Set Instruction
Automated System for Computer Information
Algorithmic Symbol Coding and Interpretation
What is the purpose of a subroutine in programming?
To define a data type
To create graphics
To store data
To encapsulate a sequence of code that can be called multiple times
What is the purpose of the finally block in a try-except-finally construct in Python?
To define a function
To execute code regardless of whether an exception occurred
To create graphics
To repeat a block of code
What does IP stand for in the context of computer networking?
Internet Protocol
Internal Processor
Information Provider
Internet Program
What is the purpose of the elif statement in Python?
It is used to define a new variable.
It is used to handle exceptions.
It is used to execute code if the if condition is false.
It is used to test multiple conditions sequentially.
Which of the following is a valid way to define a variable in Python?
variableName = 42
variableName := 42
42 = variableName
variableName -> 42
What is the purpose of the return statement in a function in most programming languages?
To exit the program
To print a message to the console
To stop a loop
To return a value from a function
What is an IP address used for in computer networking?
To identify a specific website
To identify a specific computer or device on a network
To encrypt network traffic
To block spam emails
In object-oriented programming, what is encapsulation?
The process of converting code into an executable program
The process of hiding the implementation details of an object
The process of compiling code
The process of optimizing code for performance
What is a data type in programming?
A programming language
A set of rules for writing code
A category of values with a common set of operations
A loop
What is the purpose of the try and except blocks in Python?
To define a function
To create graphics
To handle exceptions and errors
To write comments in code
What is a data structure in programming?
A type of loop
A category of values with a common set of operations
A programming language
A set of rules for writing code
What is the purpose of the while loop in programming?
To execute a block of code a specific number of times
To define a function
To make decisions and execute code conditionally
To repeat a block of code while a condition is true
What is the main purpose of a function in programming?
To store data
To execute code in a random order
To perform a specific task or computation
To create graphics
What is the purpose of a while loop in programming?
To define a function
To create graphics
To execute a block of code a specific number of times
To repeat a block of code while a condition is true
Which data structure uses a First-In-First-Out (FIFO) order?
Stack
Queue
Linked List
Binary Tree
What is the purpose of an array in programming?
To store a single value
To store a collection of values of the same data type
To perform mathematical calculations
To create graphics
Which of the following is not a primary color in the RGB color model?
Red
Green
Blue
Yellow
Which of the following is not a valid data structure in Python?
List
Tuple
Stack
String
What does the acronym SQL stand for?
Structured Query Language
Simple Query Language
System Query Language
Sequential Query Language
In object-oriented programming, what is an instance of a class?
A variable
A function
An object created based on the class
A class variable
What does DNS stand for in the context of the internet?
Domain Name System
Dynamic Network Service
Digital Naming Service
Data Network System
What does HTTP stand for in the context of web communication?
HyperText Transfer Protocol
HyperTransfer Text Protocol
HyperTransfer Transfer Protocol
HyperText Text Protocol
Which of the following is an example of a network protocol?
JPEG
HTTP
MP3
PNG