agenda course introduction video typing for 20 minutes copy portable software to your disk typing...

Agenda

• Course Introduction

• Video

• Typing for 20 minutes

• Copy portable software to your disk

• Typing Quiz

• History of computers

• c++ java, python, html, php,

First Computers (~1940)

• For military, research, government

• Big (size of one room)

• Can only do ONE thing at a time

• Need people to switch parts

ENIAC: the first computer• 20 ft x 40 ft (6 m x 12 m)

• 30 tons (30,000 kg)

Inventions that changed the computer

• Vacuum tubes to transistors (1947)

What it does:Controls electron flow in a circuitlike a switch or diode

Much SMALLER!

ENIAC• 19,000 vacuum tubes

– If one is brokenthe whole thingdoesn’t work

– Not reliable

– This man ischecking where isthe broken tubeone by one….


• Machine language 1001010101

to

• FORTRAN programming language (1954)

x = 13; Answer = 2*x + 3;


• Semiconductors(1958)– Silicon chips– Put an entire

circuit of 100’s of transistors into one piece of silicon

– Now: 1000000 transistors!


• First Computer Game (1962)– First time the computer was not just used to

make calculations• Spacewar• Tic-tac-toe• Chess


• Mouse (1964)– Lets anybody use a computer

(not just the computer specialist)


• Punch Cards to Disks (1970)

Used for storing or saving info


• 1973 – networking, Internet “ARPANET”– Advanced Research Projects Agency Network

• 1975 – first computers sold to the public


• 1979 – spreadsheets and word processor– Good for business

• 1980’s – Operating Systems (OS)– MS-DOS (MicroSoft Disk Operating System)


• 1990’s– Windows 3.1, 95, 98– Fibre optic network (internet for everyone)

• Email – BIG CHANGE to communications• Web browsers (Mosaic 1993, Netscape• Search engines (Yahoo, Lycos, Altavista 1994,

Google 1998) because internet getting too big• E-commerce (Amazon, e-bay)

– Better CPU’s, audio/video players, etc


• 2000’s– Dot com bubble burst

• $ -5,000,000,000 lost in stock market

– More websites (Wikipedia 2001, YouTube 2005, MySpace 2003 – 2 yrs $580 Million)

– More viruses– Handheld computers (Ipod, Iphone, Laptops)– WIFI

Summary

• Computers only became popular in the last 30 years

• Internet only became popular in the last 15 years

• FAST rate of change and growth

• What will come next?!?!

What will come next?

• Faster

• More storage

• Smaller, lighter

• Cheaper

• Easier connections (computer, TV, cellphone, camera, car, etc)

Assignment• Write about the first (or the oldest)

computer you used.– When? Where?– What did you use it for?– Who taught you?– How did you feel?– –What do you foresee to happen in computer

technology?

• Submit Assignment here http://172.16.22.74/ Assignment Name: Name Computer History

http://172.16.22.74/

Assignments(20%)

• Each journal entry will be graded by:– Use new words

• (related to course content)

– Shows depth of thought, insight, details• Shows evidence of learning• Personal stories

– English is clear and correct– Format is correct

agenda course introduction video typing for 20 minutes copy portable software to your disk typing...

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