Types Of Peripheral Devices - Input And Output
Muhtasari
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.
Malengo
- 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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Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
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- 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
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
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