← CompChallenge.com

Tech · Facts & stats

Comp facts & stats

7 fact-checked facts about computers and computing history, each with the reason behind it. 5 more are in today's round and join this page after it closes.

Play today's round

The basics

What does CPU stand for?

AnswerCentral Processing Unit

The CPU carries out a computer's instructions.

Which company introduced the Macintosh in 1984?

AnswerApple

Apple launched the Macintosh in January 1984.

Going deeper

Which early general-purpose electronic computer was unveiled in 1946 at the University of Pennsylvania?

AnswerENIAC

ENIAC was publicly announced in February 1946.

Moore's law observes that transistor counts on chips roughly double about every how often?

AnswerTwo years

Gordon Moore's revised 1975 estimate was a doubling about every two years.

What does GPU stand for?

AnswerGraphics Processing Unit

GPUs specialize in rendering images and parallel math.

Expert level

Which British wartime machine helped break German Lorenz cipher messages?

AnswerColossus

Colossus, built at Bletchley Park, attacked the Lorenz cipher.

The famous 1947 'bug' was a moth found in which computer?

AnswerHarvard Mark II

Operators taped the moth into the Harvard Mark II logbook.

Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round