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Saddleback College Computer Science 1A - Rousseau, Michele Exam 1

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Saddleback College Computer Science 1A - Rousseau, Michele Exam 1Abacus (~2400 BC) Ans- Laid the foundation for positional numbering system Antikythera Mechanism (~100 BC) Ans- The earliest known Mechanical Analog Computer. It used mechanical gears and pointers. John Napier (1610) Ans- Made a...

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  • May 11, 2022
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  • 2021/2022
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Saddleback College Computer Science
1A - Rousseau, Michele Exam 1

Abacus (~2400 BC) Ans- Laid the foundation for positional numbering system

Antikythera Mechanism (~100 BC) Ans- The earliest known Mechanical
Analog Computer. It used mechanical gears and pointers.

John Napier (1610) Ans- Made a form of logarithm for computing that simplify
multiplication, division, square & cube roots

Napier's Rods (or Bones) Ans- Rods that could be moved around and placed
in specially constructed boards

William Oughtred (1622) Ans- Created the side rule

Wilhelm Schickard (1623) Ans- Created the Calculating Clock. It was the first
discrete automatic calculator and could add or subtract up to 6-digit
numbers. This was constructed with wheels.

Pascaline (1642) Ans- Used gears with each gear revolving 10 times before it
increments the next gear.

Gottfried Wilhelm von Leibniz (1666) Ans- First advocated use of the binary
number system

George Boole (1847) Ans- Created Boolean Algebra which is now being
extensively used in programming.

Joseph-Marie Jacquard (1801) Ans- Created the automatic loom and started
the idea of the "punch cards"

Charles Babbage (1802) Ans- Made the difference engine which was the first
mechanical computer and was capable of calculating polynomials. This was
then scrapped to make the Analytical Engine which was the first
programmable computer. The Analytical Engine used punch cards.

Ada Byron Lovelace Ans- The first computer programmer and was a friend of
Babbage and worked on the Analytical Engine

, Herman Hollerith Ans- Made a desk named after them that was needed for
accounting in the 1890 census. This desk used punch cards and was a gear
driven mechanism. They later on made IBM.

John Antanasoff & Cliff Berry Ans- Made a computer named using both their
last names. This was the first computer that stored data as a charge on a
capacitor. This then influenced the ENIAC.

Alan Turing (1939) Ans- Known as the "Father of Artificial Intelligence" and
was involved in developing the Bombe which broke the Enigma code.

Turing Complete Ans- When a machine can perform anything that is
calculable.

Thomas Flowers and Max Newman Ans- Developed the Colossus

John Mauchly and J. Presper Eckert Ans- Created the Eniac (1946), which was
developed for the military to calculate firing tables, and the Univac (1951
and 1952), which developed the census bureau for baby boomers and
predicted the outcome of the Eisenhower-Stevenson election.

Grrace Hopper (1952) Ans- Developed the first compiler and coined the term
"debugging"

First-Generation Computing (1940-1956) Ans- Vacuum Tubes
Ex. Colossus, ABC, and Eniac

Second-Generation Computing (1956-1965) Ans- Transistors

Third-Generation Computing (1964-1971) Ans- Integrated Circuit

Fourth-Generation Computing (1971-Present) Ans- Microprocessors

Ted Hoff (1971) Ans- Created microprocessors at Intel

Doug Englebart (1964) Ans- Created the mouse

Xerox PARC (1973) Ans- Invented the Alto (GUI)

MITS (1975) Ans- Invented the Personal Computer

Apple (1984) Ans- Invented the Macintosh

Fifth-Generation Computing (Present-Future) Ans- Based on AI and machine
learning

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