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What Is Peripheral Device (Types, and List Of Peripheral Devices)

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A peripheral device is a device that is not directly connected to the central processing unit (CPU) of a computer. Peripherals can include but are not limited to, input and output devices, batteries and power adapters, scanners, and other imaging equipment. Many peripheral devices are connected through a network to allow for easy access to resources on a remote server or client.

How important are peripherals in computers?

Peripherals are hugely important in a computer. They allow the user to enjoy the experience of using a computer, whether that be by providing information and control over peripherals, or just letting the user access those resources they need without having to leave their workstation. Without peripherals, many people would not be able to use their computers at all. Additionally, peripherals can help optimize a computer system by allowing administrators to control various aspects of the machine without having to access the motherboard or ports.

Types of peripheral devices

There are a variety of peripheral devices that can be used with a computer. Some of these devices, such as 


A mouse is a device that allows a user to interact with the computer by moving their hand over the cursor on the screen. Mouse devices come in different shapes and sizes, but all share one common goal: to allow users to control the computer with their hands. Some mouse devices are also equipped with buttons and other controls, making them more versatile than others.


Keyboards are one of the most important peripheral devices for computer users. They provide a way to type on the keyboard and to control various functions of the computer. There are many different types of keyboards, including laptop keyboards, desktop keyboards, attached keyboards, and portable keyboards.

Desktop keyboards 

Desktop keyboards are a necessary part of any computer. They allow the user to type quickly and easily, and they also provide a place to store important information. 

They come in various types, such as mechanical and membrane keyboards. Mechanical keyboards are more durable and usually cost more than membrane keyboards. Some desktop computers have built-in keyboard docks that allow you to use a secondary keyboard if your primary keyboard gets lost or misplaced. 

Attached keyboards 

Attached keyboards are one of the most popular peripheral devices on the market. There are a variety of attached keyboards to choose from, both budget-friendly and high-end models. Whether you want a keyboard that is easy to use or one with features such as backlight and macro capabilities, there is a model out there for you. 

Portable Keyboard

A Portable Keyboard is a device that can be stored in a pocket or bag and used when traveling. Portable keyboards are often smaller and lighter than traditional keyboard designs, making them easier to carry around with you. Not all portable keyboards are created equal though, so it’s important to find one that’s right for your needs.


A monitor is a peripheral device that allows users to see what is happening on the computer screen. These monitors come in different shapes and sizes, so it is important to find the one that will fit best on your desktop. Some monitors have built-in speakers, which can be a helpful feature if you want to hear what is going on on the computer screen. Some monitors are designed to be portable, which can be a helpful feature if you want to take your computer with you on the road. These monitors come in many different types, so it is important to find one that best fits your needs. 


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They come in a variety of shapes and sizes, and many different types of printers are available. There are printer drivers for various operating systems, as well as software that can help you customize your printing experience. Printers are very useful, no matter which type of printer you have. They can help you work with large quantities of documents, answer emails from distant locations, and print pages for your school or workplace. However, printers can also be problematic in certain situations. 


A scanner is a device used to read text or other data. Scanners come in many shapes and sizes, but all share one common goal: to capture the text or other data so that it can be analyzed.


A speaker is a type of peripheral device that helps you hear audio or video. Speakers can be used for various purposes, such as listening to music, watching movies, and playing games. They come in different shapes and sizes, so it’s important to find the one that will fit the space you have.

For speakers to work well, they need to be mounted along the wall. If you have a small room, low-shelf speakers are ideal. If you want larger speakers that can fill a large space, use floor-standing speakers.


A projector is a type of peripheral device that enables people to see a display at a distance. A projector is a device used to project images onto a screen. There are many different types of Projectors, including those used in movie theaters and home cinemas. Some common projector types include the CRT (cathode-ray tube) projector, LED (light-emitting diode) projector, and OLED (Organic light-emitting diode) projector.

External Hard Disk

External Hard Disk (EHD) is a type of peripheral device which allows an end user to access their computer’s hard drive from outside of the computer. External hard disks are a great way to store large files and access them from any device. They’re also useful for backing up your computer, storing data for use in applications like Photoshop, and storing photos and videos for easy access.

There are a few things to consider when purchasing an external hard disk: how big it needs to be, the type of connection it uses (USB or Thunderbolt), and the speed at which you want it to work. The best ones also have a USB 3.0 connection so that they can transfer data faster.

External Floppy Disk

External floppy disks are a type of peripheral device that allows you to store files on a disk outside of your computer. They are usually connected by a cable to your computer, and you can use them to store data, pictures, and other files.

There are two main types of external floppy disks: 

internal and external: Internal floppies are connected directly to your computer’s motherboard, while external floppies connect via a USB port. Both types of floppies work the same way: you insert them into your computer, choose which files you want to access, and then press the appropriate button on your keyboard to start reading or writing the files.

They’re generally not very reliable and tend to fail often, so it’s important to keep an eye on them and replace them if they start failing. Another downside is that they’re not very portable: they’re typically too big and cumbersome to take with you when you travel.

External CD-ROM

External CD-ROMs are a type of peripheral device used to provide storage space for computer data. External CD-ROMs are old technology, and they’re not going to be around for much longer. They were popular in the early 2000s, but they’ve since been replaced by DVDs and Blu-rays.

The main reason why external CD-ROMs are becoming less popular is that they’re not as portable as other forms of media. You have to take them with you wherever you go, which can be a hassle. Additionally, they’re not as reliable as other forms of media. Sometimes they’ll stop working altogether, which is frustrating because you can’t access your files that way.

If you still have an external CD-ROM drive lying around, it might be a good idea to get rid of it. It’s not worth bothering with anymore – especially given the alternatives available today.

Joystick device

The joystick device is a type of peripheral device that allows users to control the direction and movement of characters or other objects on a video game or computer screen.

There are a variety of types of joystick devices, and each has its own advantages and disadvantages. Here are some of the most popular ones:

Analog joystick: This type of joystick is the simplest and oldest type, and it works by moving the controls on the device itself. It’s best suited for games that don’t require a lot of precision or accuracy. 

Digital joystick: This type of joystick is more advanced than the analog one and uses digital signals to send directions to the game console. It’s better for games that require precise movement or for those that require a high degree of accuracy. 

Optical joystick: This type of joystick uses light instead of traditional controls to send directional signals to your game console. While it’s slightly more complicated than digital joysticks, it offers improved accuracy and responsiveness in cases where extra sensitivity is required. 


A modem is a device that allows communication over a telephone line. It also can be used to connect an electronic device to the network, such as a computer. Modems come in different types, depending on the features they offer. Some modems have portability, so they can be connected to different devices easily. Other modems are more powerful and can be used for higher-bandwidth connections or longer-distance communications.

Network Interface Card

One type of peripheral device is a network interface card. A network interface card (NIC) is a small, plug-and-play device that your computer uses to connect to the internet. It’s usually installed on your computer’s motherboard, and it acts as the bridge between your computer and the internet.

Most NICs come with a built-in Ethernet module, but you can also buy standalone NICs that have more features or are better suited for specific tasks. For example, some NICs are specifically designed for gaming, while others are better suited for video streaming. 

Another function of a NIC is to provide security for your computer by encrypting all the data passing through it. This protects your data from being accessed by unauthorized individuals or hackers. 

Overall, a good NIC will help you enjoy an improved online experience and faster download speeds.

Flash Drive

A flash drive is a type of peripheral device that stores data and can be accessed through a computer. Flash drives are small, portable storage devices that you can use to store your files. They come in a variety of shapes and sizes, but the most popular type is the USB flash drive.

Flash drives are perfect for storing your files and photos because they’re versatile and portable. You can easily transfer them between your computer and other devices, and you can also use them to store temporary data or files.

Though they’re small, flash drives still offer a lot of storage space. Some models even have capacities of up to 128 GB! And since they’re so easy to carry around, you can always have some extra storage with you when you need it.

Micros SD Card Reader

Micros SD Card Reader is a small, compact device that allows you to read and write SD cards. It’s perfect for use in devices that don’t have an SD card reader built-in, like digital cameras or drones.

It also comes with a built-in protective cover that can protect your card when it’s not being used. The Micros SD Card Reader is available in black or white, and it’s currently one of the most popular products on Amazon.

Barcode Reader

A barcode reader is a peripheral device used to read barcodes. Barcode readers are devices that use barcodes to identify and track products. They are often used in Retail settings, to speed up the process of stocktaking and to improve the accuracy of inventory management.


Finally, we have explained the importance of peripheral devices and its usage in an OS. For a smooth operation, make sure to keep these peripherals around. You can also buy from us to get the best products that are durable yet affordable as well. In case you have any questions or doubts about any of the products mentioned above, feel free to call us and talk it through with our experts!

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