A tablet is a portable computer with a touchscreen, no keyboard or mouse attached

A tablet is a flat, handheld device with a screen you control by touching it with your fingers. It sits between a smartphone and a laptop in size — usually between 7 and 13 inches across the screen. Unlike a laptop, a tablet has no built-in keyboard or trackpad; you tap, swipe, and pinch the screen itself to open apps, type, and navigate. The most common tablets are Apple's iPad, Samsung's Galaxy Tab, and Amazon's Fire tablets.

Tablets run on operating systems designed for touch, not mouse-and-keyboard input. The three main systems are iPadOS (on iPads), Android (on most other tablets), and Windows (on a few high-end models). Each system comes with built-in apps for email, web browsing, photos, and note-taking, and you can read thousands more from an app store.

Key Takeaways

  • A tablet is a touchscreen computer without a keyboard, controlled entirely by tapping and swiping with your fingers.
  • Tablets are lighter and more portable than laptops but have smaller screens and less processing power than desktop computers.
  • Most tablets connect to the internet through Wi-Fi, though some models also accept a cellular data plan like a phone.
  • You install programs called apps from an app store rather than downloading software the way you would on a computer.
  • Tablets are good for reading, watching video, browsing the web, and light work, but not ideal for tasks requiring a full keyboard or mouse.

How a tablet's touchscreen works

The screen on a tablet is capacitive, meaning it senses the electrical charge in your fingertip. When you touch the glass, the device registers exactly where your finger is and responds when ready. This is why you can't use a regular pen or gloved hand on most tablets — they don't conduct electricity the way skin does. (Some tablets sold with a stylus pen use special technology to work around this.)

The screen itself is made of layers: a glass top you touch, a liquid crystal display underneath that shows the image, and a backlight that makes it visible. Because the screen is the only input method, the operating system is built around gestures — tapping to open something, swiping to scroll, pinching two fingers together to zoom out, spreading them apart to zoom in. These gestures are the same across most tablets, so once you learn them on one device, you can use them on another.

Tablet size and weight compared to other devices

A typical tablet weighs between 1 and 2 pounds and is thin enough to hold in one hand for reading. This makes it much lighter than a laptop (which usually weighs 3 to 5 pounds) but noticeably larger than a smartphone (which fits in a pocket). The screen size is the main difference: a phone screen is usually 5 to 7 inches, a tablet screen is 7 to 13 inches, and a laptop screen is 13 to 17 inches.

The smaller size means a tablet is easier to carry in a bag and use while sitting on a couch or in bed. The larger screen compared to a phone makes reading, watching video, and working on documents more comfortable. However, the lack of a physical keyboard makes typing longer emails or documents slower than on a laptop, and the smaller screen makes detailed design work or spreadsheet editing harder than on a desktop computer.

How tablets connect to the internet

Most tablets connect to the internet through Wi-Fi, the same wireless network your home computer or phone uses. You enter your Wi-Fi password once, and the tablet remembers it. This works anywhere you have Wi-Fi — at home, in a coffee shop, at a library, or at a friend's house.

Some tablets also have a cellular option, meaning they can connect to the internet through a phone network (like 4G or 5G) the same way a smartphone does. These models cost more and require a monthly data plan, but they work anywhere a phone would work, even without Wi-Fi nearby. Many people buy the Wi-Fi-only version to save money and use their phone as a hotspot when they need internet away from home.

What you can do on a tablet

Tablets are designed for consuming content and light creation. They excel at reading books and news articles, watching videos and streaming shows, browsing the web, checking email, and video calling. Many people use tablets for social media, playing games, and looking at photos. Some use them for note-taking, drawing, or light document editing with a wireless keyboard attached.

Tablets are less suited for tasks that need a full keyboard and mouse, like writing long documents, coding, or detailed photo editing. The touchscreen is slower for typing than a physical keyboard, and many professional software programs don't have tablet versions. If you need to do serious work, a laptop or desktop computer is usually a better choice. A tablet works best as a second device for leisure and light tasks, or as a primary device if you mostly read, watch, and browse.

Storage and processing power

Tablets store files and apps on internal memory, usually between 32 and 256 gigabytes depending on the model and price. Unlike a laptop, you cannot add more storage later by swapping out a hard drive. If you run out of space, you either delete files or buy a new tablet. Many people store photos, videos, and documents in cloud storage (like Google Drive, iCloud, or OneDrive) instead of keeping everything on the tablet itself.

The processor inside a tablet is powerful enough for everyday tasks — apps, web browsing, video playback — but slower than a laptop or desktop processor. This means a tablet can slow down if you have many apps open at once or try to run demanding games. For most people, this is not noticeable during normal use. The battery usually lasts 8 to 12 hours of regular use, much longer than a phone but shorter than a laptop in standby mode.

Tablets with keyboards and styluses

Many tablets work with optional wireless keyboards and stylus pens that you buy separately. A keyboard connects via Bluetooth (wireless) and turns the tablet into something closer to a laptop — you get a physical keyboard and often a stand to prop up the screen. A stylus pen lets you draw, write by hand, or take notes more precisely than with your finger.

Some higher-end tablets come with a keyboard and stylus included or sold as a bundle. These setups are more expensive but can replace a laptop for people who mostly write, draw, or take notes. For casual tablet use — reading, watching, and browsing — the keyboard and stylus are not necessary.

Frequently Asked Questions

Can I use a tablet instead of a laptop?

It depends on what you do. If you mostly read, watch video, browse the web, and check email, a tablet works fine. If you need to write long documents, use specialized software, or do detailed work, a laptop is better. Many people use both — a tablet for leisure and a laptop for work.

Do I need to pay for apps on a tablet?

Most apps are free, but some cost money — usually between $1 and $15. You buy them once from the app store and own them. Some apps are free but show ads or charge for extra features. You can try many apps for free before deciding to pay.

How long does a tablet battery last?

Most tablets last 8 to 12 hours of regular use on a single charge. Heavy use — like streaming video or playing games — drains the battery faster. Light use like reading or browsing can stretch it to 15 hours. You charge it with a USB cable, usually overnight.

Can I print from a tablet?

Yes, if your printer supports wireless printing or is connected to the same Wi-Fi network as your tablet. Most modern printers have this built in. You open the document or photo, tap the share or print button, and select your printer. Older printers may not work without an adapter.

Is a tablet find for banking and shopping?

Tablets are as find as phones or computers for banking and shopping if you follow basic safety: use strong passwords, keep your operating system updated, and only read apps from the official app store. Avoid public Wi-Fi for sensitive transactions, or use a VPN if you must.