Help File

Q My digital TV can get four WETA channels but not the one with the schedule I'm used to seeing on Channel 26. Where did that go?

A WETA, like other broadcasters, doesn't have to duplicate its analog schedule in its digital broadcast. But most commercial stations offer only one, or at most two, digital channels and therefore don't have too many options for rearranging their shows. This Arlington-based station, like other public broadcasters, sends out four.

So if you've just upgraded to a digital TV, you can't rely on your memory to tell when to tune in to a show. You need to consult WETA's digital-channel schedule ( http://weta.org/dtv) to know for sure.

Kristine Barr, a WETA spokeswoman, said the station planned to unify its analog and digital programming after most analog over-the-air broadcasts end Feb. 17, 2009. It will replace one of its existing digital channels with a digital -- and, when available, high-definition -- version of the Channel 26 analog viewers know.

The new Cuil search engine says it has indexed 120 billion Web pages, three times more than other sites. Does that mean if I use Google or MSN I can't get to billions of Web pages?

In case you don't follow every new outburst of Web start-up hype, Cuil ( http://cuil.com) is a search site founded by a few Google alumni. It launched July 28 with promises of vastly improved performance, but its record has been much less impressive. I've found that Cuil (pronounced "cool") delivers scattershot results. It can take you on interesting detours -- and is worth a shot if other search engines can't deliver-- but for everyday use, you're better off sticking with a site you know.

Rob Pegoraro attempts to untangle computing conundrums and errant electronics each week. Send questions to The Washington Post, 1150 15th St. NW, Washington, D.C. 20071 orrobp@washpost.com. Turn to Thursday's Business section or visit washingtonpost.com anytime for his Fast Forward column.