Download - 01 Computer History
CMPE12
1) History of Compute
The History of Compute
The history of computers is intere (or should be if you are in this clas and relevant to our professional liv
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
The abacus - the firs computer?
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
The First Computing Hard
Charles Babbage, born 1791 Father of the computer
1830 Difference engine - mechanical power calculated mathematical tab
smallest imperfections caus
Funded by the British gover Funding was pulled, even h colleagues thought it woul
conceived the analytical e perform many types of ca
his son built a model of th working version only built
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
Mr. Babbage, Meet Mr. L
Built by
Andrew Carol
(sw developer for Apple Comp., Cupertino) Babbages
Difference
Engine N. 1
From: IEEE Spectrum, April 2006: http://www.spectrum.ieee.org
See also: http://acarol.woz.org/LegoDifferenceEngine.html
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
The First Programmer
Ada, the countess of Lovelac
Mother of computer prog (supposedly the first prog
A gifted mathematician.
She helped develop instru for computations on Babb Analytical Engine.
Saw Babbage's theoretic approach as workable.
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
The First Electrical compu
1890 Herman Hollerith
Able to count the census in 6 weeks rather t years
Used Jacquards punch cards Sorted into bins, count number of cards
Developed in 1800 by a French silk weaver
Electrical power
Tabulating Machine Company merged into IB
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
Aiken, Zuse, Atanasoff, Be
1936 - Harvard graduate student Howard Aiken began thinking of modern equivalent of analytical engine...
1939 Germany - Konrad Zuse completed first programmable, general-purpose calculating device to solve mathematical problems
Paper was in short supply during war, used film tape
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
1939 - Iowa St Professor Joh developed the electronic digit computer, the Berry Compute
Above is a pict
The Mark I
1944 Harvard professor Howard Aiken completed Assistant Grace Hopper
Developed compiler for the computer
8 feet high, 55 feet long steel and glass used noisy electromechanical relays 5-6 times faster than a person
not very efficient
Enter data into computer using paper tape
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
First Computer Bug
Found on th September Grace Murr Hopper whi was workin Harvard Un Mark II Ai Calculator ( primitive c
Coined ter
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
ENIAC, UNIVAC(John Mauchly & John Presper Ec
WWII - ENIAC ElectronicNumerical Integrator and Computer
based on the ABC
machine to calculate trajectory tables for new guns
First general-purpose computer
J 19 U U A C
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
Four generations of comput
1. 1951-1958 Vacuum Tube
about the size of light bulbs
thousands of them
is the bug a problem with tube or program?
machine code and punch cards
2. 1959-1964 Trans
transfers ele signals acros
assembly lan
1954 - FOR
1959 - COB
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
Four generations of comput
3. 1960-1970 Integrated Circuit
complete electronic circuit on a sm silicon silicon is a semiconductor - will tra electrical signal when specific che impurities are introduced to lattic IBM 360 series of IBM
first time small and medium busine afford a computer.
unbundle software - sell software the birth of the software industry
4. 1971-PRESENT Microprocessor (VL
extension of third generation
get specialized chips for memory a
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
IBM 7044
Evolution of the 7040 scientific computer
My first contact with computers
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
Today in History
September 21st, 1976: The Cray-1, the first supercomput is delivered to Los Alamos Nationa Laboratory
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)
History Summary
Knowing something about the evolu computers is helpful to understand why things are the way they are no
Computing devices have been aroun a long time
Digital computers are fairly new
Rate of improvement and growth is amazing
CMPE12 Fall 2006 A. Di Blas (Orig. by C. Barzeghi)