tablet
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When using a computer, phone, or tablet, it is occasionally the case that a user must type in numbers. Typing numbers on a computer with a 12-digit physical numeric keypad is fast and easy (Figure 1). Unfortunately, laptops frequently no longer have these hardware keypads, and smartphones and tablets never did. The issue: The “soft”…
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Background: In the past, you could tell what a computer was doing (to some extent) just by listening to it. Disk access would be accompanied by a classic floppy disk sound (or the “click” of a hard drive) The fan would spin up if the CPU was under high load. You could actually listen to network…
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