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Chapter 1

EECS 1520 Chapter Notes - Chapter 1: Arpanet, 2009 Flu Pandemic Tables, Modula-2


Department
Electrical Engineering and Computer Science
Course Code
EECS 1520
Professor
John Hofbauer
Chapter
1

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Chapter 1: The Big Picture
1.1: Computing Systems
Computer system 

Computer hardware 

-

Computer software 

Data
-Without data, hardware and software useless
Layers of a Computing System
Information
- !"
-#
Hardware
-$%
-&&'("

Programming
-)

Operating systems (OS)
-*+
-*
Applications
-,-.
Communications
-&
-/
Abstraction
Abstraction

1.2: The History of Computing
A Brief History of Computing Hardware
Early History
Abacus
01
-2
-
Not a calculator

Blaise Pascal
-

(+, -).

Gottfried Wilhelm von Leibniz
-

(+, -, x,
÷).

-#
Joseph Jacquard
find more resources at oneclass.com
find more resources at oneclass.com

Only pages 1-2 are available for preview. Some parts have been intentionally blurred.

-34+
-5


Charles Babbage
01
-)


-,
-)-

-'.
Augusta Ada Byron (Lovelace)
0-1
-6+

-/


-7(8
))
William Burroughs
-'

Herman Hollerith
-)-
.


-&/
Alan M. Turing
-/


-7-
-8
Early Computers
*/ 9:9"
6#/7&
6#/&"
6);7&
6);7&"
-

(#/;7&/
(7&"
 9< -
First Generation Hardware (1951-1959)
Vacuum tubes/valves
-(
-8
-$4..
4

Magnetic drum
-'
-2=
-#>
-(±
Magnetic tape drives
-
-84

Auxiliary storage devices
-8
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