Porta able computer, portable computer, or notes computer is a small, portable computer with a screen and keyboard for letters and numbers. Laptops usually have a clamshell form with a screen installed inside the top lid and a keyboard inside the bottom lid, although 2-in-1 PCs with the removable keyboard are usually sold as laptops or in laptop mode.
Laptops are folded and closed to move and are therefore suitable for mobile use.  Its name comes from the thighs, as it was considered proper to be placed on a person’s thighs when used. Today, laptops are used in a variety of settings, such as work, education, gaming, web browsing, personal multimedia, and general home computer use.
From 2021, in American English, the terms portable computer are and notes computer used interchangeably;  in some English languages, one or the other may be preferred. Although the term computers or textbooks originally referred to a specific size of a portable computer (originally smaller and simpler than laptops),  terms mean the same thing and textbooks no longer refer to a specific size.
Types of laptop
Since the introduction of laptops in the late 1970s, their status has changed dramatically, bringing a wide variety of visual and technological features. Unless there is a legal trademark that varies between terminals (especially, the Ultrabook), there are rarely significant differences between these categories and their use has varied over time and between different sources. Since the end of 2010, the use of highly specific words is no longer common, with sizes that are highly differentiated by screen size.
Features of some of the original models of laptops that were previously unmatched on most laptops now include:
• Reset (“cold start”) button in the hole (a thin metal tool needed to press)
• Quick power switch on the hole (requires a thin metal tool to press)
• Integrated charger or power adapter within a portable computer
• Floppy disk drive
• Serial hole
• Compatible port
• PS / 2 shared input device port
• S-video hole [note 1]
• S / PDIF audio port
• PC Card / PCMCIA slot
• Express Card Slot
• CD / DVD Drive (starting with 2013 models)
• VGA hole (starting with 2013 models)
Advantages of Laptops
The first and main advantage of a laptop, compared to a stationary computer, is its mobility. Lightweight, compact size, built-in battery on a portable computer that allows it to move easily from one location to another. Many models can be worn all the time, used in a park, cafe, or fitted to a car. Thanks to this navigation, you can quickly access the required data wherever you are.
2. The finished product
The laptop is easy to use without the extra equipment. It has everything like its keyboard, built-in mouse (touchpad), built-in speakers, built-in microphone, many laptops with a built-in camera, and there are options with 2 built-in cameras on both sides. for laptop cover.
3. Internet access
Internet access is the second benefit of increased demand for a laptop because it provides internet access through Wi-Fi wireless technology. However, this can happen on a stationary computer, but you can only connect to the network at home. The laptop can be taken with you to any cafe, restaurant, park, or another public place where there is Wi-Fi, and connected to the Internet. Additionally, some laptops allow you to insert SIM cards to access 3G or 4G mobile internet.
4. Offline operation
The laptop is also ready for use for all kinds of presentations. In this case, you are not relying on local technology equipment. Even a connection to the mains is not necessary because the laptop can operate offline from its battery (with good use). Of course, batteries have a lifetime, they do not last forever.
Disadvantages of laptops
Laptops are easier to identify when compared to conventional computers. For example, it is not uncommon for a portable computer to crash, rain, stay in it, etc. All of this leads to device degradation. And repairs to laptops are more expensive than regular computers.
2. Unexpected battery
Often, the battery pack built into the laptop breaks because it is not permanent, and needs to be used according to strict rules. In addition, many users have a habit of this
3. Reinstall the native operating system
The most important point is that laptops do not like to restore the app. The native system that comes with the laptop works in the best way possible. However, it is necessary to switch to another application, problems with the operating key, drivers of the laptop device, etc., can start.
using a laptop in the same way as a power station PC while using that is the main reason for damaging the battery.