CSE 1520 - TEXTBOOK Concept Charts (1-4)

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Electrical Engineering and Computer Science
EECS 1520
John Hofbauer

Communication CHAPTER 1: The Big Picture Human Use Applcation Layers Of Computer system Computing Systems Operating system Abstraction Necessary to Computing System: Hardware, (ex: Car engine) Function Data and Software interacting Programming to solve problems Abstraction: Mental model removing complex details Early History (1600 BC  1950) [ABACUS, ENGINE, TURING, UNIVAC 1] Hardware History of First Generation (1951  19590 [VACUUM, MAGNETIC DRUM & TAPE] History of Hardware Computing Information Second Generation (1959  1965) [TRANSISTOR, MAGNETIC CORE & DISK] Hardware: Physical features of a computer Third Generation (1965 1971 ) [CIRCUTS, TRANSISTOR, TERMINAL] (chips, monitors, printers) Fourth Generation (1971  Now) [PC, WORKSTATION, NETWORKS, MOORE's LAW] Parallel Computing and Networking [SIMD, MIMD, ETHERNET, LA, INTERNET] History of Software First Generation (1951  1959) [BINARY, ASSEMBLY Software: Programs LANGUAGE, TRANSLATORS, SYSTEM PROGRAMMGERS] providing instructions that a computer executes Second Generation (1959  1965) [HIGH LEVEL LANGUAGES, COMPILER, APPLICATION PROGRAMMERS] Third Generation (1965  1971) [OPERATING SYSTEM, SYSTEMS SOFTWARE, TIME SHARING, EVOLUTION] Fourth Generation (1971  1989) [STRUCTURED Computing as Tool System Areas and Displine PROGRAMMING, APPLICATION PACKAGES] Fifth Generation (1990  Now) [MICROSOFT, OBJECT- ORIENTED DESIGN, WORLD WIDE WEB] Applcation Areas CHAPTER 2: Binary Values and Number Systems Information Layer The Language of Computer Systems Binary Octal Decimal Hex 0 0 0 0 Number: Unit of math system Numbers Binary 1 1 1 1 subject to laws of arithmetic[Natural, Negative, (Base 2) 2 2 2 Numbers and *Natural numbers are focused on Integer, Rational] Octal (Base 8) 3 3 3 Computing in this Chapter [usually represented in 4 4 4 3 digit binary group] 5 5 5 6 6 6 Decimal 7 7 7 (Base 10) 8 8 Base: The value of a number system that specifies the number of digit positionsse Value 9 9 (from 0 until one less than the base) Hexadeximal A (Base 16) B C D Positional Arithmeticin Other E Notation Addition F Bases [Carrying  revertvalue] Subtraction Positional Notation: A way of expressing [Borrowing one power Power of 2 numbers in a series; in which each posiNumber Systems of the base] of a digit has a place value, and the number is equal to the product of each digit by its place value (depends on base) Converting Converting from Binary Octal Hex Base-10 to Other Bases Divide decimal by new base > Remainers = answer from right > Replace decicamlwith quotient until zero Binary Digit (Bit): A digit in binary Binary Valuesand number system; 0 or 1 Computers Byte: Eight binary digits Word: A group of one or more bytes; describes word length of computers Pulse code modulation: Variation in signals going between 2 extremes Data and CHAPTER 3: Data Representation Computers Reclock: Going back to original Information Layer  The Language of Computer Systems digital signal before loss of data Data: Basic values or fact
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