A variable is a command that executes a function.

A variable is a symbolic name for a value that can change during program execution.

A variable is a type of data structure that cannot change.

A variable is a fixed name for a constant value.

C++

Python

JavaScript

Java

SQL is used for creating mobile applications.

SQL is used for managing and manipulating relational databases.

SQL is used for managing file systems.

SQL is used for designing user interfaces.

To enhance internet speed by caching data.

To provide a backup for data storage.

To monitor employee productivity on the network.

The purpose of a firewall is to protect networks by filtering traffic and preventing unauthorized access.

A type of computer hardware.

A recipe for cooking food.

A random collection of numbers.

An algorithm is a step-by-step procedure for solving a problem.

A method of securing data through encryption.

A technique used to trick individuals into providing sensitive information.

A type of malware that damages files.

A process of backing up data to the cloud.

To increase internet speed.

To provide a secure connection over the internet.

To store files remotely.

To block advertisements on websites.

To increase the speed of data transfer by caching content closer to users.

To provide a backup for all website data.

To enhance the security of a website by blocking all traffic.

To reduce the cost of web hosting services.

Creating server-side applications.

Building interactive web pages.

Designing database schemas.

Writing operating system kernels.