1. common number computer
2. complex number calculator

CNC stands for "complex number calculator." Stibitz designed it for Bell Telephone Laboratories.

1. Soaring Eagle
   Whirlwind
   Flying Aces
2. Tornado
   Storm King

Project Whirlwind was completed in 1951, but the Navy never really used the simulator -- the Air Force ended up taking it over.

1. Nova
   See it Now
2. That's Incredible!

Murrow interviewed developer Jay Forrester on 'See It Now' in 1951. The computer screen read 'Hello Mr. Murrow.'

1. 500 square feet
   1,000 square feet
2. 5,000 square feet
   10,000 square feet

The ENIAC was 1,000 times faster than its competitors and covered 1,000 square feet.

1. Zuse Z3
   ERA 1101
2. ENIAC
   Harvard Mark I

The U.S. Navy was the first customer for the ERA 1101, which was introduced in 1950.

1. UNIVAC I
   Sinclair VX80
2. American Supercomputer
   FORTRAN II

The UNIVAC I, manufactured by Remington Rand in the early '50s, cost about $1 million a pop.

1. Franklin D. Roosevelt v. Wendell Willkie
   Dwight D. Eisenhower v. Adlai Stevenson
2. Harry S. Truman v. Thomas E. Dewey

Opinion polls had Stevenson winning in a landslide, but the UNIVAC correctly predicted an Eisenhower victory in 1952.

1. Galaga
   SpaceWar!
2. Pong
   Paperboy

A group of MIT students developed SpaceWar! for the DEC PDP-1 computer in the early 1960s.

1. Stanford
   Iowa State
   MIT
2. Dartmouth
   Harvard
   Northwestern

Thomas Kurtz and John Kemeny worked at Dartmouth.

1. 1965
   1971
2. 1982

In 1971, programmer Ray Tomlinson sent out the first test e-mail over ARPANET. He claims it was 'something like 'QWERTYUIOP.'

1. Bill Gates
   Steve Jobs
2. Steve Wozniak

Steve Wozniak was the primary designer on the Apple I, which debuted to much fanfare in 1976.

1. Zork
   Pitfall
   Space Invaders
   Pac-man
2. Donkey Kong
   Breakout
   Pong

Wozniak had designed Breakout for Atari, so he adapted it for the Apple II.

1. Irving II
   Sanders I
2. Parker II
   Osborne I

The Osborne I, released in 1981, weighed 24 pounds and sold for $1,795. It had a 5-inch screen.

1. Apple I
   Apple II
   Commodore 64
2. Apple Macintosh
   Radio Shack TRS-80

The Commodore 64 was in production from 1982 to 1993 -- according to CNN.com, more than 17 million units were sold.

1. Linux
   LOGO
   Java
2. Pascal
   C++

LOGO was originally a drawing program designed for kids.

1. PowerPoint
   Excel
2. Word

Microsoft really went all-out with its marketing of Word in 1983.

1. Commodore PET
   Amstrad CPC 464
2. Apple Lisa
   Tandy Color Computer 3

The Apple Lisa, introduced in 1983, had a hefty price tag ($10,000) and was ultimately a big dud.

1. Liam Nuxhall
   Linus Stromberg
2. Linus Torvalds
   Lionel Robards

Finnish student Linus Torvalds released the open-source Linux system to some Usenet news groups in 1991.

1. Doom
   Halo
2. Counter-Strike

Doom, with its innovative 3-D graphics and first-person shooting, helped spawn an enormous gaming subculture.

1. All You Need to Know about the Web
   Find it Now!
   Search This
2. Hello!
   Jerry'sGuide to the World Wide Web
   Go Get It

Founders Jerry Yang and David Filo called it 'Jerry's Guide to the World Wide Web.' Not so catchy.