Electrically-controlled mechanical switches in room-sized computers
Electronic Computing
Flashcard
•
Computers
•
8th - 12th Grade
•
Easy
Emily Seguin
Used 4+ times
FREE Resource
Student preview
22 questions
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1.
FLASHCARD QUESTION
Front
Back
Mechanical relays
2.
FLASHCARD QUESTION
Front
Relay analogy: control wire = ?
Back
faucet handle
3.
FLASHCARD QUESTION
Front
Relay flick rate in the 1940s
Back
50 times per second
4.
FLASHCARD QUESTION
Front
Harvard Mark I: Complex operations time
Back
over a minute
5.
FLASHCARD QUESTION
Front
Harvard Mark I faulty relay replacement
Back
1 per day
6.
FLASHCARD QUESTION
Front
Bug found in Harvard Mark II (1947)
Back
Moth
7.
FLASHCARD QUESTION
Front
"Bugs in computers" quote
Back
Grace Hopper
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