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Input, Output and Storage devices

GCSE Work
by

Felix Carter

on 7 October 2012

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Transcript of Input, Output and Storage devices

By Felix Carter Input, outputs and storage devices An input device is a piece of hardware that is used to enter data on to a computer. There are two categories of input devices, manual input devices and automatic input devices. inputs An example of an input device is a concept keyboard. This is a specialized keyboard with no pre-set keys. They are used as a quick and easy way to to input items with just two buttons. Concept keyboards are often used by people with learning difficulties as they are easier to type with. concept keyboard more examples of input devices magnetic stripe reader- This is a device that reads information recorded on the magnetic strips on the back of bank cards and credit cards. these are used by people who work in shops to get a payment from a credit card. graphics tablet- This is an consisting of a flat pressure sensitive pad that the user draws on points with a special stylus, to guide a pointer displayed on the screen. these would be used by a designer to draw designs on the tablet. more examples of input devices An output device is a piece of hardware that is used to display or output data which has been processed or has been stored on the computer. Output devices plasma screens- A flat display screen using an array of cells containing a gas plasma to produce different colours in each cell. these would be used by a graphics designer to view new images, videos etc.

Printer- A piece of equipment that uses ink or a laser to print things on to paper, cardboard etc. these would be used by a printing company to print out images, posters etc. examples of output devices Joystick- A manual device used to control computer systems by moving a stick. They are often used to control video games. these would be used by a game designer to test out new games.

Web cam- A video camera that inputs to a computer connected to the internet, so that its images can be viewed by users. these would be used by business people to talk to business partners over the internet. More input devices examples plotter- A piece of equipment used to mark out points on a chart. these would be used by geographers to find out the scale of an earthquake.

speakers- An electric acoustic transducer that produces sounds that can be heard from a distance. these would be used by music artists in concerts so the crowd can hear from far away.

monitor- A piece of equipment used to see images on a screen. these would be used by families to view videos, pictures, websites etc. examples of outputs A storagfe device is a device that is used to store data is known as a storage device. storage devices Flash memory- this is something that retains data in the absence of a power supply. flash memory is used in memory cards, USB sticks, USB flash drives etc. these would be used by people working in an office so if they do lose power they have their files backed up.

online storage- The storage of electronic data as fully accessible information in daily use on the network or elsewhere. An example of this is google documents which uses cloud to store online data. these would be used by journalists to store their new articles in a safe place. examples of storage devices network storage- this is any type of computer storage that involves accessing information over a computer network. these would be used by a school would use this to store all the pupils and teachers documents on as a back up.

external hard drives- these do not use flash memory thay are plugged into a desktop computer and they have a lot better memory than a flash drive device. They are connected to you r computer using a USB or firewire cable. these would be used by people in an office to store numerous documents on the hard drive. more examples of storage devices dvd/cd rom- these are discs which are put into your computer to store sounds, pictures, videos etc. The difference between dvd's and cd rom's are that dvd's have more memory. these would be used by music artists to store their music on and sell. more examples of storage devices These are used for many things like sotring and transferring data wirelessly and non-wirelessly. hardware connections wi-fi - this is a wirelsess way of connecting to the internet. Most homes in the UK have wi-fi and there are many wi-fi hotspots across the UK.

bluetooth- this is a wireless way of transfering data from one machine to another e.g. a song from one phone to another.

infra red- this is a way of transferring signals from one machine to another e.g. a remote control to a tv. wireless hardware connections ethernet- this is a cable used to connect your computer to the internet using LAN (local area network).

vga cable- this is used to connect your computer to your computer monitor.

firewire- this is a cable used to transfer data extremely quickly from one thing to another. wired hardware connections computer types
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