More resolution means a more detailed picture. Monitors have increased resolutions for decades and a good tech understands common resolutions and aspect ratios.
- I think the best way that a computer technician can … show off to another computer technician is by talking … about how much resolution their monitors have. … It always seems that we're constantly looking … for higher and higher resolution monitors … that are made out of more and more pixels because … more and more pixels makes more clearly defined images. … So, in this episode I kind of want … to march through a little bit of a history … of the different types of resolutions. … You're going to be seeing these on the exam, … so let's talk about them for a moment. … Now the first generations of graphics monitors … used what was called a four by three aspect ratio. … A four by three aspect ratio basically mimics television. … And back in the old days, TVs were all shaped like this, … and if we had monitor, by golly, … we were going to use that resolution. … So, let's talk about the first generation monitors, … and their four by three aspect ratio resolutions. … The granddaddy of all is VGA, which was 640 by 480. …
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CompTIA A+ is the leading entry-level, vendor-neutral certification for IT professionals. CompTIA A+ (220-1001): Cert Prep is a comprehensive 10-part series designed to help you prepare and pass the A+ Core 1 (220-1001) exam. This course—the fifth installment in the series—helps you study for exam objectives related to display technologies such as monitors, graphics cards, and projectors. CompTIA expert Mike Meyers also explains how to set up multiple monitors and troubleshoot display problems.
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