![]() ![]() Processing components include hardware such as the: Headsets and speakers are designed for audio output, with other output devices being fax machines, multifunction devices (which combine faxing, emailing and printing) and data projectors. There are two main printer types, namely inkjet and laser printers. Printers are another common type of output device. Liquid crystal displays (LCDs) and LED screens are the most popular types. Screens are the main output devices of any computer. Output devices take the processed input from a computer and display it in a way that is easy for humans to understand. Other input devices are video and audio input devices such as webcams and microphones, and biometric input devices such as fingerprint scanners. ![]() You also learned about the basics of digital cameras, scanners and readers such as radio-frequency identification (RFID), magnetic strip and OCR readers. Common input devices include keyboards, computer mice, touchpads and touchscreens. This includes items such as the monitor (or screen), keyboard and mouse.Īn input device is any device that allows you to enter data into a computer and interact with it. In Grade 10, you learned that hardware is the physical components of a computer. Discuss the purpose of optical character recognition (OCR) and hand-held OCR devices.List and describe the software and equipment needed to operate input and output devices.Explain what criteria are used to measure the quality of display devices.Discuss the advantages, disadvantages and limitations of various output devices.Describe various types of output devices, including display devices and interactive whiteboards.Explain how the quality of scanners and digital cameras is measured.Discuss the advantages, disadvantages and limitations of various input devices.Describe various types of input devices, including scanners, digital cameras, biometric input devices and others. ![]()
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