5 Questions
What determines the graphic capabilities of a computer?
Video cards
How are wired displays connected to the system?
Physically via a cable
What are the three most common interfaces to connect monitors to a computer?
VGA, DVI, and HDMI
What does screen resolution affect?
Amount of information displayed on the screen at one time
What allows new option for connecting monitors to computers?
$USB ports
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.
This quiz covers the topic of display devices as part of the lecture on input and output in computer systems. It includes information on printers, audio output, monitor, and display screens found in various devices.
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