Backlit Keyboards: The Basics When youâre shopping for a backlit-keyboard laptop, youâll want to evaluate the laptop as a whole firstâdonât let the keyboard sway you right out of the gate. However, once youâve settled on several machines that fit you on price, performance, and specs, look for info specific to the backlighting traits in expert reviews.
vb, taps, tapping or tapped. 1. to strike (something) lightly and usually repeatedly: to tap the table; to tap on the table. 2. (tr) to produce by striking in this way: to tap a rhythm. 3. (tr) to strike lightly with (something): to tap one's finger on the desk.
In JTAG, devices expose one or more test access ports (TAPs). The picture above shows three TAPs, which might be individual chips or might be modules inside one chip. A daisy chain of TAPs is called a scan chain, or (loosely) a target. Scan chains can be arbitrarily long, but in practice twenty TAPs is unusually long.