Varities of Input and Output Devices

Introduction

There are two types of devices in computer that are input and output devices. Without these two, our computer will not become like nowadays computer. We as humans need input and output devices to communicate and use computer to the maximum. It made our life more easier especially when doing our works. Input is instrument for us, humans to convert data or information into the computer. Input can made humans life easier to use computer and finish our job that related in using computer.

Making us more familiar with computer. Also, output devices can translate computer information to human understanding. Output can be in the form of graphics, photos, audio, video and texts. Output can make humans work easier such as presentation or video making especially students that use lots of output to complete their works. Life is easier with input and output devices that been developed to bring benefits to others to communicate with computer. Human and computer need to compatible with each other for better future.

Types of Input Devices

Keyboard is a device to give instruction or command to the computer. Computer will do their job that been given towards them to complete the tasks. Each keyboard have their own specialty. Type of keyboards:

• Traditional keyboard
• Laptop keyboard
• Virtual keyboard.

Devices that control the movement of the screen computer. The computer will get the direction more accurately.

• Game controller
• Mouse stylus
• Touch screen.

a) Touch screen

Touch screen is touching the screen using finger and every device have touchscreen such as tablets, computers, some laptops and some device.

b) Mouse

Mouse is a shape of arrow that appear in the computer when we are controlling the computer. Optical mouse can be used in any surface and has no movement part. Touch pad is controlling or tapping the surface of your device.

We are using game controllers to play games in computer or any devices that compatible with game.

Scanners is device that can scan photo and text that the computer system can understand and proceed the data into action. Mostly devices scanner have flat surface because more easy to scan the photo and text.

• 3D scanner
• Flatbed scanner
• Portable scanner
• Document scanner.

Bar code reader can read and scan the bar code for information or comformation to buy things.

Card reader have the information about the owner especially security information about your money. We are using card reader for entertainments, credit, bank and others card.

Optical-character recognition (OCR) – words or text that can be read with light and then converted to some code that machine can proceed or humans can understand

Optical-mark recognition(OMR) – using to complete or check the marks in work especially paper examination.

Magnetic-ink character recognition (MICR – priority to keep the customer bank safe.

Output Devices

Printer is a device that we can use to print something into hard copy. Such as we can print text or photo into hard copy. Transfer the information in computer into paper make work life more easier. For example, printer is use to print student assignment in computer into the paper.

• Inkjet printer
• Laser printer
• 3D printer
• Cloud printer.

Speaker is a device that translate information into sound. Easy for people to understand the information. We know that computer have speaker. computer speaker is use to generate sound for the computer user.

Headphone is a device for us to hear sound. It is use for us to listen to music or sound for ourselves. We don’t have to disturb people with our listening music when we are using headphone. It’s really convention.

Webcam is a tool for us to video call with others. Maybe someone who is far away from us. We can see each other face to communicate more easier. Laptop and smartphone have webcam on it. When we are video call someone we have to use Internet for webcam to send image live with each other.

Monitor is a display screen where you can see text, photo, information and other things from the screen devices such as television, laptop and computer.

Combination Input and Output Devices

Drone is the combination of input and output devices. Drone is a modern technology to take photo or video from above the sky. We are using controller to control their movement. Very convention from people who like to take photos or video especially photographer. In the past drones is so expensive but now we can buy drone with affordable price. Drone is also been use in military especially to bomb from a far without sacrificing life. Also, when someone is missing in a wide jungle, they use drone to monitor from the sky and use the image from drone to look for them.

Headsets is the combination of headphone and microphone for the main purpose, video game. Easy for gamer to play the game more seriously.

Conclusion

We as human need devices in our life. Without devices in our life, definitely our work will not be done more effectiveness. Input and output in devices really bring benefits into our life. Input and output just not bring benefits to normal people but also disabled people. Easier for disabled person to do their job like normal people. They don’t feel left behind by modern technology because of their disabled part of body.

The combination of input and output device shows how modern technology advice to higher level that really made human life more easier and could feel the satisfaction in their life to the maximum such as they could really feel that they are really in the virtual game world for serious gamer. The great combination of input and output devices brings more colour into the modern technology with lots of benefit for nowadays people.