1.1.3 lesson 1 input, output and storage devices

peripherals that allow you to provide/pass data + control signals into the computer system

peripherals that can take data stored in digital form and convert it into another format that humans can process i.e. sound, images or vibrations

• any device used for temporary or permanent storage of data

• internal (RAM, SSD, magnetic hard disk) • external (optical disk, USB, memory card, external hard drive)

• card reader, keypad, buttons, camera (security purposes)

• monitor, printer (for receipt), speaker (gives audio feedback), actuator/motor (delivers cash)

• internal hard drive, RAM

• keyboard • mouse • trackpad (touchpad) • graphics/drawing tablet • mic • flatbed scanner • OMR (optical mark recognition) scanner • magnetic stripe card reader • smart card and barcode readers • NFC reader • touchscreen • camera • sensor • remote control

• Allows user to enter character data and it often has function / special purpose keys to perform common user tasks such as sending signals to control the volume or to switch between windows.

Allows user to ‘point and click’ to select icons, or to position cursor on screen.

• Offers same functionality as mouse but user controls movement of cursor using their fingers. • Commonly found on laptop computers.

creates digital drawings with special Stylus by pressing tip on tablet surface.

• Captures analogue sound waves + converts them into electronic signals. • Common uses include capturing voice whilst on call or recording live music to be stored digitally

• Allows users to scan physical document I.e. photograph, handwritten note etc and save as a digital bitmap image.

• This technology is often used to input answers / marks that a candidate has made on a multiple choice test paper.

• hotel door access cards contain a magnetic strip that holds data. • This input device is capable of reading data.

• Reads data from embedded integrated circuit (IC) chip. • Most retail shops have smart card readers that read data taken from the chip found on a customers bank card to enable transactions

• Reads data from an NFC tag. • Common use = contactless payment in shops. Here, an NFC reader uses radio waves to read data from bank card / mobile phone when the two devices are close to each other.

• The input device allows user to use finger / stylus to select icons, use on-screen keyboard, and perform navigation tasks

• output provided due to input • the display screen usually listed as an output device but touchscreens are designed so that the same device can be used to input data.

• speakers • inkjet printers • laser printers • plotters • 3D printers • display screens (monitor) • headphones • digital / data projector • actuators

• generates sound waves from data being received from sound card. Often built into devices but can also be connected as external peripherals.

• Non-impact printer that uses liquid ink to produce black+white or colour prints,

• rich in colour –> suitable for photos • high-end inkjet printers have good paper handling capabilities + print at very high resolutions —> ability to show large amount of detail