A computer is an electronic device that processes data according to instructions provided by software programs.
- Accepts input (data), processes it using the CPU, and stores information.
- Produces output (results) efficiently and accurately.
- Used in education, business, communication, and entertainment.

Components of Computer
- Software: It is a set of instructions that tells a computer how to perform a specific task. Examples are Microsoft Word, Microsoft PowerPoint, Google Sheets and Google Docs, all are types of software.
- Hardware: It refers to the physical components of a computer that you can touch and see. It includes the CPU, Motherboard, RAM, Storage devices such as HDDs and SSDs, Input Devices such as the keyboard, mouse, and scanner, and Output Devices such as the monitor, printer, and speakers.

Popular Computer Devices
There are various types of computers that are used today based on the needs of the user. Some of the types are:
- Desktop: Desktops are mainly used for regular use, and they have separate components mounted together, like the monitor, keyboard, mouse, CPU, etc. Since the system is primarily kept on a desk for better usability, it is called a desktop.

- Laptop: Laptops are a portable version of desktops, with all the components integrated into a single unit thus providing mobility to the system. They are great for on-the-go work and come with built-in webcams, Bluetooth and Wi-Fi.

- Servers: Servers are special types of computers that are used to manage network resources. They provide services to other systems and computers. Some of the primary tasks of servers include creating databases, hosting and providing support to other applications.
- Tablets: Tablets are even more portable than laptops. They are smaller than laptops but are larger than smartphones. They come with touchscreens which makes them perfect for browsing the web, consuming content and personal communications.
- Other devices: Other devices include smartphones, game consoles, Smart TVs etc.