Unless you??™re certain that you will use the monitor only with an analog input, it??™s usually worth
paying the modest extra amount to get an LCD that can accept both analog and digital input.
Choose a Monitor Size
Monitors come in sizes from modest to monster. Table 8-1 lists the most common sizes
for external monitors and the maximum resolutions they typically support.
The bigger the monitor you get, the more you??™ll probably appreciate how much
lighter LCDs are than CRTs. For example, a 21-inch CRT may well weigh 75lb, so you
might need to reinforce your desk. By contrast, a 23-inch LCD typically weighs 20lb
or less.
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tip
82 Part II: Intermediate
30-inch LCDs typically require a graphics card that supports dual-DVI output. These graphics
cards are much more expensive than conventional cards.
Choose a Monitor Resolution
Along with monitor size, consider the resolution you need??”the number of pixels
(???picture elements??? or dots) you want to have displayed at the same time. The greater
the number of pixels, the more information you can see.
Different people prefer different resolutions and window sizes, but here are some
illustrations of resolution:
At 1024?—768, you can have one good-size window open or two squashed
windows.
At 1280?—1024 or (better) 1440?—900, you can comfortably have two useful-size
windows open.
At 1600?—1200 resolution, you can display two letter-size (8.
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