T
T1 line a special type of telephone line for digital communication only,
with a maximum data rate of 1.
544 million bits per second.
Many
Internet sites are connected to each other through T1 lines.
Contrast DSL;
ISDN; SWITCHED LINE; T3 LINE.
T3 line a...
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T
T1 line a special type of telephone line for digital communication only,
with a maximum data rate of 1.
544 million bits per second.
Many
Internet sites are connected to each other through T1 lines.
Contrast DSL;
ISDN; SWITCHED LINE; T3 LINE.
T3 line a high-speed digital telephone line with a maximum data rate of 45
million bits per second, 28 times that of a T1 line.
Larger Internet sites
use T3 lines to link to each other.
Contrast DSL; ISDN; SWITCHED LINE; T1
LINE.
tab a visual indication of multiple pages in a dialog box (Figure 256).
Click
on the appropriately labeled tab to get to the desired page.
FIGURE 256.
Tabs in dialog box
Tab the key on a computer keyboard that is marked with forward and backward arrows (Figure 257).
(From tabulator, a mechanical device for lining up columns on a typewriter.
)
The Tab key advances the cursor to a preset spot; Shift-Tab goes back
to the previous tab stop.
Most word processors and page layout programs
let you set the TAB STOPS w
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