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Some Useful Peripheral Devices for computers

This is the article about a list of very basic useful small devices we and you use with computer devices . These are the devices we use often , working in offices , at home , at the business places , while gaming , while using the other facilities , not available in the root device .

We all know that working with just a single computer or laptop without using the peripheral devices , is a trouble situation .

When we connect two computers wirelessly , it's Okay ,but what to do if Wireless connection not supports . We need definitely a LAN Cable .

To scan the QR code , what we need . Definitely a QR scanner , otherwise we would go to stop our work .

Now a days , most of the peripheral devices are replaced by the highly efficient and capacitive softwares but even after the softwares and wirelless world , we can not ignore the traditional peripheral devices .

These devices are evergreen in the hardware world and most of may be replaced by modern technolgies , but always even after the decades will sound like " Old Is Gold " . So we can not ignore completely , even a single one in the list is below mentioned .

1. Bar Code Reader
2. QR Code Reader
3. Thumb Impression Scanner
4. Eye Scanner
5. Joy Sticks
6. Scanner
7. Printer
8. FAX Machine
9. Extra Keyboard
10. Extra Mouse
11. Other Connected Computer by  
      LAN Cable
12. Headphones
13. Earphones
14. Graphics Tablet
15. MIDI ( Musical instrument
      digital interface)
16. MICR ( magnetic ink character 
      recognition ) code reader -   
      useful in banks in check clearing
      , because bank prints micr code
      on checks.
17. OMR ( Optical Mark Reader ) -   
      useful to read omr coded sheets
       like OMR sheet question paper
       in exams .
18. Microphone
19. Web Cam
20. Optical Pen
21. Modem
22. Projector
23. Pen Drive

I am sure , you have the same opinion like me about these peripheral devices . These are the evergreen useful devices that are not going to get old in Sci-Fi world .