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Questions and Answers
What determines the graphic capabilities of a computer?
What determines the graphic capabilities of a computer?
- Video cards (correct)
- Interfaces
- Screen resolution
- USB ports
How are wired displays connected to the system?
How are wired displays connected to the system?
- Through HDMI ports
- Through USB ports
- Using a wireless network connection
- Physically via a cable (correct)
What are the three most common interfaces to connect monitors to a computer?
What are the three most common interfaces to connect monitors to a computer?
- VGA, DVI, and HDMI (correct)
- HDMI, DisplayPort, Thunderbolt
- USB, Thunderbolt, Ethernet
- VGA, DisplayPort, USB
What does screen resolution affect?
What does screen resolution affect?
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What allows new option for connecting monitors to computers?
What allows new option for connecting monitors to computers?
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Study Notes
Display Devices
- A display device presents output visually on a screen, such as a monitor for a desktop computer.
- Display screens are built into various devices, including:
- Notebook and portable computers
- Mobile phones and mobile devices
- Handheld gaming devices and home entertainment devices
- Kitchen appliances
- Digital photo frames, e-book readers, and smart watches
- Digital signage systems and digital billboards
Display Device Characteristics
- Color displays use pixels to form images and are the most common type of display today.
- RGB (Red, Green, Blue) is used to create colors in displays.
- Monochrome displays are black and white only.
CRT vs. Flat-Panel Displays
- Cathode ray tube (CRT) displays are:
- Large
- Bulky
- Heavy
- Flat-panel displays:
- Take up less desk space
- Use less power
Display Device Size and Aspect Ratio
- Device size is measured diagonally from corner to corner.
- Widescreen televisions have a 16:9 aspect ratio, whereas conventional displays have a 4:3 aspect ratio.
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