EECS 1520 Midterm 1 || 100% Accurate Solutions.
abacus correct answers Finger powered pocket calculator (developed in Babylonia)
Slide Rule correct answers William Oughtred; for converting units and replaced the electronic
pocket calculator
Wilhelm Schickard correct answers Mechanical calculator
Blaise Pascal correct answers Decimal calculator; add and subtract by turning dials
G.W.F. Leibniz correct answers Stepped Reckoner; full feature calculator
Lebniz Wheel; for multiplication
Jacquard Loom correct answers Used punch cards, patterns woven into textiles
Punch cards later used to code computer programs
Charles Babbage correct answers Pioneer of modern computing machine
Difference Engine: used method of difference to calculate polynomials
Analytical Engine: inspired by punch cards, used rods, gears, and powered by STEAM (never
built)
Ada Lovelace correct answers She is considered to be the first computer programmer. She wrote
a computer language for the Analytical Engine. (Calculate Bernoulli's number)
Babbage's Legacy correct answers Designed first general purpose computing device
Ideas ahead of his time
Completed the Difference Engine
George Boole correct answers Boolean Algebra: laid logical foundations of digital computing
circuitry and invariant theory - later used by Albert Einstein in the theory of relativity (true or
false logic)
Claude Shannon correct answers Application of Boolean logic
Established principles for encoding info so reliably transmitted online
The father of modern Information Age
Alan Turing correct answers Broke code for enigma machine
The Turing machine - Turing test for artificial intelligence
Enigma Machine correct answers Priority for allies to break it as Germans believed it was
unbreakable
Alan Turing and his Colossus correct answers Constructed in Alec Tronic computing machine to
help the decrypt German coded messages
abacus correct answers Finger powered pocket calculator (developed in Babylonia)
Slide Rule correct answers William Oughtred; for converting units and replaced the electronic
pocket calculator
Wilhelm Schickard correct answers Mechanical calculator
Blaise Pascal correct answers Decimal calculator; add and subtract by turning dials
G.W.F. Leibniz correct answers Stepped Reckoner; full feature calculator
Lebniz Wheel; for multiplication
Jacquard Loom correct answers Used punch cards, patterns woven into textiles
Punch cards later used to code computer programs
Charles Babbage correct answers Pioneer of modern computing machine
Difference Engine: used method of difference to calculate polynomials
Analytical Engine: inspired by punch cards, used rods, gears, and powered by STEAM (never
built)
Ada Lovelace correct answers She is considered to be the first computer programmer. She wrote
a computer language for the Analytical Engine. (Calculate Bernoulli's number)
Babbage's Legacy correct answers Designed first general purpose computing device
Ideas ahead of his time
Completed the Difference Engine
George Boole correct answers Boolean Algebra: laid logical foundations of digital computing
circuitry and invariant theory - later used by Albert Einstein in the theory of relativity (true or
false logic)
Claude Shannon correct answers Application of Boolean logic
Established principles for encoding info so reliably transmitted online
The father of modern Information Age
Alan Turing correct answers Broke code for enigma machine
The Turing machine - Turing test for artificial intelligence
Enigma Machine correct answers Priority for allies to break it as Germans believed it was
unbreakable
Alan Turing and his Colossus correct answers Constructed in Alec Tronic computing machine to
help the decrypt German coded messages
