Chapter 06

Introduction to information &
Communication Technologies
Chapter 06 Output
Lecturer: Sana Aurangzeb [e-mail] https://sites.google.com/site/csict2021
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What Is Output?
• Output is data that has been processed into a useful form

Pages 304 – 305
Figure 6-1

Discovering Computers 2010: Living in a Digital World
Chapter 6

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What Is Output?
• An output device is any type of hardware component that conveys information to one or more people
Display devices

Interactive whiteboards Page 305

Printers

Speakers, headphones, and earbuds

Force-feedback game controllers

Data projectors

Tactile output

Discovering Computers 2010: Living in a Digital World
Chapter 6

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Display Devices
• A display device visually conveys text, graphics, and video information
• A monitor is packaged as a separate peripheral
– LCD monitor
– Widescreen

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Link from left navigation, then click Widescreen LCD
Monitors below Chapter 6
Pages 306 – 207
Figures 6-2 – 6-3

Discovering Computers 2010: Living in a Digital World
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Display Devices
• Monochrome means the information appears in one color (such as white, amber,
• green, black, blue, or gray) on a different color background (such as black or grayish-white).
• Some mobile devices use monochrome displays because they require less battery power.
• Two types of display devices are flat-panel displays and CRT monitors.
• A flat-panel display is a lightweight display device with a shallow depth and flat screen that typically uses LCD (liquid crystal display) or gas plasma technology.
• Types of flat-panel displays include LCD monitors, LCD screens, and plasma monitors.
Discovering Computers 2010: Living in a Digital World
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Display Devices
• Liquid crystal display (LCD) uses a liquid compound to present information on a display device Active-matrix display Page 308

Passive-matrix display Discovering Computers 2010: Living in a Digital World
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