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Electrical Engineering and Computer Science

EECS 1520

John Hofbauer

Fall

Description

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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