EECS 1520 Study Guide - Midterm Guide: Rational Number, Dna, 18 Months

• School: York University
• Department: Electrical Engineering and Computer Science
• Course: EECS 1520
• Professor: lew

Document Summary

Computing systems: layers of a computing system, ancient and modern history of computing. Computing systems: dynamic entities used to solve problems and interact with the environment (devices, programs data) Software: programs that provide instructions for a computer to execute. Data: information in a form a computer can use. Miller"s law: human beings can only manage 7 pieces of information in a short-term memory time span at one time. Abacus an early device to record numeric values. Blaise pascal created a device to add & subtract. Leibniz created mechanical device to perform all four whole number operations. Jacquard series of punch holes used for weaving cloth. Augusta (lovelace) considered to be the first programmer and invented the concept of the loop. Turing an abstract mathematical model, computing theory. Harvard mark i & eniac built in world war ii. Univac i first computer to predict outcome. Auxiliary storage device external to computer memory (now known as peripheral devices: first generation hardware.