MIDTERM LESSON Flashcards
(78 cards)
Simple picture drawings used for communication purposes.
Petroglyphs
The first writing system that used symbols to correspond with spoken sounds.
Cuneiform
An ancient calculating tool with rows of movable beads on rods.
Abacus
An alphabet that used symbols to express single syllables and consonants, later adding vowels.
Phoenician alphabet
Introduced a movable metal-type printing machine, making written technology accessible.
Printing Press
A mechanical device with graduated scales for simple calculations.
Slide Rule
The first calculator or adding machine designed by Blaise Pascal, capable of addition and subtraction.
Pascaline
Considered to be the first programmer
Ada lovelace
Meaning of ENIAC
Electronic Numerical Integrator and Computer
A device designed by Gottfried Wilhelm von Leibniz for multiplication through repeated addition and shifting.
Step Reckoner
A system advocated by Leibniz, using only two digits (0 and 1) in calculations.
Binary System
The first successful automatic calculator designed by Charles Babbage.
Difference Engine
Enabled communication over great distances using electricity.
Telegraph
A system of dots and dashes used for transmitting messages.
Morse Code
Invented by Alan Turing, a fundamental concept in computation.
Turing Machine
The first large-scale electronic computer operational in 1944 at Bletchley Park.
Colossus
The first general-purpose electronic computer capable of performing 5,000 additions per second.
ENIAC
An early electronic computer that was binary and a stored program machine.
EDVAC
The second electronic digital stored-program computer operational in 1949.
EDSAC
Used in the first generation of computers, large, expensive, and energy-consuming.
Vacuum tubes
Replaced vacuum tubes in the second generation of computers, making them smaller, faster, and more reliable.
Transistors
Increased speed and efficiency in the third generation of computers.
Integrated circuits
Developed in the fourth generation of computers, leading to personal computers.
Microprocessors
Focuses on machine learning and automation.
Artificial Intelligence (AI)