Types Of Peripheral Devices - Input And Output
Bayani Gaba-gaba
Every interaction you have with a digital device relies on peripheral hardware. The keyboard you type on, the screen that displays your work, and the printer that produces a hard copy are all peripherals, and choosing the right one for a task is a core ICT skill.
This topic covers the full range of input and output peripherals named in the Edexcel specification. You will learn how each device works, when it is the best choice, and how to compare alternatives in exam-style scenarios where selecting the right peripheral for a given need earns full marks.
Manufura
- Know about types of output peripheral such as monitor, printer (laser, inkjet, 3D), plotter, data projector, speaker, control device and when they would be used
- Know about types of input peripheral such as keyboard, mouse, tracker ball, joystick, graphics tablet, scanner, digital camera, webcam, microphone, touch screen, OMR reader, OCR reader, bar code scanner, biometric scanner, magnetic stripe reader, chip and pin, sensor and when they would be used
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Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which input device detects the position of pencil marks on a pre-printed form? A) OCR reader B) OMR reader C) Barcode scanner D) Biometric scanner Answer: B
- Which type of printer uses an electrostatic drum and toner powder to produce prints? A) Inkjet B) Dot matrix C) Laser D) 3D printer Answer: C
- A capacitive touch screen works by detecting: A) Pressure applied to two flexible layers B) Sound waves from the user's voice C) Infrared light reflected from the finger D) Electrical charge transferred from the user's finger Answer: D
- Which output device would be most suitable for printing a large A1 architectural plan? A) Laser printer B) Inkjet printer C) Plotter D) 3D printer Answer: C
- What does a sensor do in an ICT system? A) Displays data on a screen B) Prints data onto paper C) Detects physical quantities such as temperature or light D) Stores data permanently Answer: C
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