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Hardware - Coggle Diagram
Hardware
Input Devices
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Smart Card Readers
This device reads the stored information on the chip embedded in the memory of modern credit cards and identification cards
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OMR Readers
Optical Mark Recognition (OMR) is generally used in multiple choice exams and lottery since it can easily read data from special OMR forms
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MICR Readers
Magnetic Ink Character Recognition (MICR) is a device generally used by banks to read details in checques precisely and promptly
Touch Pad
Also called trackpad, this devices senses the movement of fingers and send it to the computer
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Numeric Keypads
Also called as number pad or numeric keyboard, this small keyboard can be found in the right side of almost all computers
Sensors
These are devices used to measure specific data, which the computer can process
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Game Controller
Also known as game pad or joysticks, a game controller is a peripheral input device for playing games
Tablet and Stylus
Also known as digitizers, these devices allow users to hand-draw graphics, images and animations using a stylus and convert it into a digital form
Web Camera
Also known as webcam, it is a frontfacing video camera that allows anyone connected to the internet to send and view still pictures and videos
Scanner
This is similar to a photocopy machine, scanner captures images that are available on paper and converts it to digital form
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Track ball
The track ball is a very convenient input device in which the user can move his fingers on ball, so the pointer can be moved
Mouse
The mouse is the most popular and easy to use pointing hardware device that was invented by Douglas Engelbart in 1963
OCR Readers
Optical Character Recognition (OCR) is a device used to convert file images to an actual text that can be edited
Network devices
Modems
Modem is an electronic device capable of sending, receiving and translating inforation from the internet through standard telephone wires or to a directly connected computer
Network Hubs
This is a hardware or device that allows multiple connections to be connected to a computer since it has multiple hubs
Switch
Like network hubs, switches also allow multiple connections. however switches can determine the destination of packets of data and only sends it to them
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Bridge
idges connect different networks so they can communicate. It can connect computers connected with cables and computers connected through wireless connection
Wi-Fi Cards / Chips
This network devices allow personal computers or laptops to connect within the range wireless access point
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Output devices
Speaker
This is an output device that emit audio information such as music, voice os sound effects from a computer
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Headset
This output device are designed to fit into ears, mostly used to listen to music, chat online or play computer games
Flat Screen
Monitor
This monitor has the same function as CRT monitor and is less heavy and they occupy less desk space.
Printer
Printers produce tangible and permanent copies of information from a monitor. This information is called as hard copy
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Storage devices
Solid State Drives
SSD are non-volatile types of memory which have no moving parts. It is more stable, faster and more expensive upgrade of typical hard drives
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Hard Disk Drive
It is a massive storage device that permanently stores and retrieves any type of information stored within them
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Protable Storage Device
These are compact and light digital storage devices that are connected to a computer though a wireless connection or a USB cable
System unit devices
Motherboard
Motherboard or system board is the major circuit board inside a personal computer. it connects all the different internal parts of a computer and allows users to connect external parts to the computer
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Memory
Random Access Memory (RAM) is the main memory of the computer and allows to store data temporarily. Read Only Memory (ROM) is the data storage that allows the user to save data parmanently