C.L Test 57-75 Flashcards
57.A device that takes a small electrical signal and converts it into a large one.
What is an amplifier?
57.Stereo system,electric guitars computer speakers
What are amplifiers used in?
58.A series of space flights undertaken by the United States
What is the Apollo program?
58.July 20th, 1969
What was the date of the first lunar landing?
- The first man stepped in the moon.
Who is Neil Armstrong?
59.first man on the moon
Neil Armstrong
- AL
What is artificial intelligence symbol?
60.it means duplicating or imitating intelligence in computers robots or other devices
What does it mean?
61.an American inventor and scientist at the late 19th and 29th centuries in Scotland
Who is Alexander graham bell?
61.the telegraph in 1876
What did he build?
- A company formed because of the work of his creation
What is the bell telephone?
- A telephone created by Alexander graham bell
What is it?
- A special code composed of two parts
What is binary?
- Binary arithmetic
Since it can automatically turn off or on what is it called?
70.The branch of technology
what are cryogenics?