What is a virtual machine ?
A virtual machine is an emulation of a computer system, which can run its own operating system and applications as if it were a physical computer. It essentially allows a single physical computer to run multiple virtual computers within it, each with its own operating system and applications.

Virtual machines are often used to create a testing or development environment that is separate from a user's main operating system. For example, a user could run a virtual machine on their computer with a different operating system to test software or experiment with system configurations, without affecting their main operating system. Virtual machines are also commonly used in cloud computing to provide computing resources to users without requiring them to purchase and maintain physical hardware.
is my macbook a cloud computer?
Your MacBook is not a cloud computer, but it can connect to and utilize cloud computing services. A cloud computer generally refers to a remote server or set of servers that provide computing resources, storage, and software applications over the internet. These servers are typically located in data centers and are managed by cloud service providers.

Your MacBook is a personal computer (laptop) with its own operating system, storage, and processing capabilities. However, you can use your MacBook to access cloud services like iCloud, Google Drive, or Dropbox for storage, and applications like Google Docs or Microsoft Office 365 that run in the cloud. These services allow you to store and access your files, data, and applications from anywhere with an internet connection, as they are hosted on remote servers rather than on your MacBook itself.