Читать книгу Online Learning For Dummies - Susan Manning - Страница 80

The monitor is the device that displays your computer’s output. A monitor’s display is based on two components: size and resolution. Monitors come in a variety of sizes based on their diagonal measurements in inches. For example, a 20-inch monitor measures 20 inches from the top left corner to the bottom right corner. However, a 20-inch monitor has only an 18.8-inch viewable display. This disparity matters because the picture is developed using pixels, and the number of pixels that can fit in a given space is measured in terms of width by height. For example, on a monitor with a 640 x 480 resolution, there are 640 pixels across the screen and 480 pixels from top to bottom. The larger the monitor size, the bigger the pixels need to be to fill the space. Most institutions require you to have a monitor with a minimum resolution of 1024 x 768. A 17-inch monitor is best; however, monitors between 15 and 21 inches should also be suitable. Even the 13.3-inch monitors on our laptops display 1024 x 768 pixels just fine.