For a program to be usable, it should echo keystrokes at the rate of the fastest typist, i.e. 200WPM (Words Per Minute) 16 CPS (Characters Per Second). Often apps I use take 10+ seconds to echo each character. Strangely, even though CPU (Central Processing Unit) are 5000 times fast than in DOS (Disk Operating System) days, often apps have more lag than they did in DOS days. What causes this anomaly?
The GUI (Graphic User Interface) has greatly slowed down data entry by making the user take his hands from keyboard to mouse and back, sometimes for every field. There are also long delays and new forms are loaded over the net. We had far more efficient data entry in the days of DOS.
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