What was Hewlett-Packard's first successful product?

More Questions:

Since 1909, what women's magazine has guaranteed its advertiser’s products with a "seal of approval"?

Eclairs are said to have originated in which country?

According to the Dewey Decimal System, library books numbered in the 500s are part of what category?

In the 1975 novel "The Moneychangers', what is the name of Alex Vandervoort's wife?

What is the only nation that shares a land border with Qatar?

Which US state capital city lies closest to Philadelphia?

Into what sea does the Elbe river flow?

What Mojave Desert city has a name meaning "the meadows" in Spanish?

What are baby sharks known as?

Mallard and Ruddy are species of what bird?

What town was the setting of The Andy Griffith Show?

Turbo Terrific is a car featured in which cartoon?

What TV show takes place in the fictional city of Melonville?

Who was the actor who played Charles in the movie Four Weddings and a Funeral?

Which film star's biography is called "Neither Shaken Nor Stirred"?