What is a computer?
A computer is a piece of electronic equipment used to manipulate data or information. Data can be stored, retrieved, and processed by it. You may already be aware of the fact that you can use a computer to surf the Internet, send emails, type documents, and play games. It can also be used to edit or make presentations, films, and spreadsheets.
Hardware vs Software
Hardware and software are two things that all computers have in common before we discuss other computer types.
Software
Any component of your computer with a physical structure, such the keyboard or mouse, is referred to as hardware. Additionally, it contains every component found within the computer, as shown in the picture below.
Hardware
Any set of instructions that tell the hardware what to do and how to accomplish it is known as software. Word processors, games, and web browsers are a few examples of software.
The hardware and software on your computer will be used for everything you do. For instance, you might be reading this lesson right now using a web browser (software) and a mouse (hardware) to navigate between pages. Consider the hardware variations of various computer kinds as you learn more about them. You'll discover as you work your way through this session that various computer kinds frequently employ various software.
What are the different types of computers?
The majority of people immediately picture a desktop or laptop computer when they hear the word "computer." But computers exist in all sizes and designs, and they serve a wide range of purposes in our daily lives. You utilize a form of computer whenever you use a calculator, scan groceries at the supermarket, or withdraw cash from an ATM.
Desktop computers
At work, home, and school, desktop computers are frequently used. Desktop computers are made up of a few separate components, including the computer casing, monitor, keyboard, and mouse, and are intended to be placed on a desk.
Laptop computers
The second kind of computer you might be familiar with is a laptop, also known as a portable computer. You can use laptops practically everywhere, since they run on batteries and are more portable than desktop PCs.
Tablet computers
Even more portable than laptops are tablet computers, sometimes known as tablets. Tablet computers use a touch-sensitive screen for typing and navigating rather than a keyboard and mouse. One illustration of a tablet is the iPad.
Servers
A computer that serves up information to other computers on a network is known as a server. Every time you use the Internet, for instance, you are viewing content that is stored on a server. In order to distribute and store files internally, many firms also use local file servers.
Other types of computers
Even though we don't usually think of them that way, a lot of modern devices are really just specialized computers. Here are a few typical instances.
Smartphones
Many cell phones include many computer-like features, such as the ability to browse the web and play games. They are frequently known as smartphones.
Wearables
Fitness trackers and smartwatches are examples of gadgets that fall under the category of wearable technology and are intended to be worn continuously throughout the day. These gadgets are frequently referred to as wearables.
Game consoles
An exclusive kind of computer called a game console is used to play video games on your TV.
Television
Nowadays, many TVs come with programs—or apps—that provide you access to many kinds of online material. For instance, you can play video straight from the Internet on your TV.
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