What is the binary representation of the decimal number 8?
1000
1001
100
1010
Correct Answer :
A. 1000
Related Questions
Which of the following is not a primary color in the RGB color model?
Red
Green
Blue
Yellow
What does HTTP stand for in the context of web communication?
HyperText Transfer Protocol
HyperTransfer Text Protocol
HyperTransfer Transfer Protocol
HyperText Text Protocol
What is an API in the context of software development?
An application for editing images
A programming language
A set of rules and protocols for building and interacting with software applications
A type of computer hardware
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
In the binary number system, what is the value of the leftmost digit?
1
0
2
It depends on the context
Which of the following is not a fundamental data type in Python?
int
float
list
char
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
In object-oriented programming, what is a class?
A type of data structure
A step-by-step procedure
A blueprint for creating objects
A loop
Which of the following is not a type of computer memory?
RAM (Random Access Memory)
ROM (Read-Only Memory)
CPU (Central Processing Unit)
Cache
What does the term protocol mean in the context of computer networking?
A set of rules and conventions for communication between devices
A type of hardware
A programming language
A software application
What is a network firewall used for?
To protect against physical intrusions
To block unwanted network traffic and protect a network from unauthorized access
To boost network speed
To filter spam emails
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
Which programming language is often used for web development?
Python
Java
HTML
C++
What is the purpose of a compiler in programming?
To execute code line by line
To translate high-level code into machine code
To debug code
To create user interfaces
What is the purpose of a constructor in object-oriented programming?
To define a function
To create graphics
To initialize the attributes of an object when it is created
To exit a loop
What is a compiler in programming?
A program that translates high-level code into machine code
A program that optimizes code for performance
A program that creates graphics
A type of loop
What does the term algorithmic complexity refer to?
The speed at which a program executes
The size of a program's source code
The number of bugs in a program
The amount of memory used by a program
What is a pointer in the C programming language?
A data type used to store text
A variable that stores multiple values
A variable that stores the memory address of another variable
A type of loop
What is the binary equivalent of the decimal number 25?
11001
11100
10011
11010
What is a variable in programming?
A value that cannot be changed
A container for storing data
A type of loop
A function
What is a database schema?
A database query
A blueprint that defines the structure and organization of a database
A database table
A database index
What does CPU stand for?
Central Processing Unit
Computer Programming Unit
Central Program Unit
Computer Processing Unit
What is the purpose of an if-else statement in programming?
To create a loop
To define a function
To make decisions and execute code conditionally
To print output to the console
Which programming language is often used for data analysis and machine learning?
Java
Ruby
Python
C#
What is a function signature in programming?
A unique identifier for a function
The name of a function
The body of a function
A comment within a function
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 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 does DNS stand for in the context of the internet?
Domain Name System
Dynamic Network Service
Digital Naming Service
Data Network System
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
What is the purpose of the else statement in programming?
To define a new variable
To handle exceptions
To execute code if the if condition is true
To execute code if the if condition is false