Chapter 1Input / Output DevicesChapter 1Input / Output Devices

1.1 Input Device

1.2 Output Device

1.1 Input Device

1.2 Output Device

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1.1Input Devices1.1Input Devices

MotivationMatch the following tasks with the suitable input device.

Recording

Presentation

Photo-editing

Video-taking

Photo

Speaking

Sights

Text

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1.1Input Devices1.1Input DevicesKeyboardKeyboard is made up of character, numerical and functional keys, it is the most common input device

Ergonomic Keyboard

Wireless Keyboard

Virtual Keyboard

Multimedia Keyboard

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1.1Input Devices1.1Input Devices

Pointing DevicesMouse, Trackball, Touchpad and Digitising Table are common pointing devices that will help users operate a computer more easily

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1.1Input Devices1.1Input DevicesScannerScanner is a device used to convert a still image into a digital one. It can read text or illustrations printed on paper and translate the information into a form the computer can use

Flatbed scanner

Bar code reader

Film scanner

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1.1Input Devices1.1Input DevicesSound Input Tool

Digital Camera

Digital Video Camera

A Speech Recognition

System

Microphone

Digital recorder

Digital Video Camera

Web Camera

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1.2 Output Device1.2 Output Device

MotivationMatch the following tasks with the suitable output device:

Printing aphoto

Presentinga report

Playing avideo

Playing aspeech

Speaking

Photo

Presentationslide

Visual video

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Monitor‧There are two main types of monitor, namely the CRT (Cathode

Ray Tube) monitor and the LCD (Liquid Crystal Display) monitor.

‧They can show the data processed by the computer in the form of text, images or visual information.

‧The output on the monitor is only temporary and can only be viewed on the computer screen.

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LCD monitors and CRT monitors are compared in the following table:

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1.2 Output Device1.2 Output Device

Printer‧A printer can place text or graphics onto a paper or a

slide, which is known as a hard copy.

‧Three type of printer ： Dot-matrix Printer, InkJet Printer and Laser Printer

InkJet PrinterDot-matrix Printer

Laser Printer

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1.2 Output Device1.2 Output Device

Projector

Speaker

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KeywordsKeywords主機system unit周邊設備peripheral device硬副本hardcopy輸入設備input unit輸出設備output unit

Chapter 1 Input / Output Devices

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Chapter 1 Input / Output Devices

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