The document provides a history of computing from ancient times to the modern era in 3 generations:
1) Ancient humans used tools like stones, sticks, and their hands to calculate numbers, leading to our base-10 number system. The abacus was later invented around 3000 BC as one of the earliest computing devices.
2) Major milestones from the 1600s-1800s included the slide rule, punched card loom, and analytical engine, with Ada Lovelace recognized as the first computer programmer. Herman Hollerith's tabulating machine helped automate the US Census.
3) The modern computer age began in 1944 with Howard Aiken's Mark 1 and continued with developments like the ENIAC,
History of Computer, History of Computing, Evolution of Computer, Generations of Computer, Past Present and Future of Computer, Abacus, Differential Engine, Analytical Engine
History of Computer, History of Computing, Evolution of Computer, Generations of Computer, Past Present and Future of Computer, Abacus, Differential Engine, Analytical Engine
This is a short history of Computer. You can get benefit from it if you want to have an idea about the developments in the story of computer technology.
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We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
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2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
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2. Ancient Times:
How did people calculate numbers??
Did they use sticks?
Did they use stones?
Did they use marks on the walls or ground?
OR…Did they use their hands(fingers)?
3. The Answer:
They used all of these.
But…. Hands were the most commonly
used.
That is why our number system is based
on the number TEN!
4. Abacus:
About 3000 BC, the
scholars believe that the
abacus was invented in
Babylonia and is known
as the world’s oldest
computing device.
In the 1300’s, the Chinese
began using a wooden
frame with rows of beads
strung on wire.
The beads are slid toward
the bar to set up a
number.
They still use it today.
6. Calculating Rods:
In the early 1600’s,
John Napier invented
the Calculating Rods.
It will convert any
multiplication problem
to an addition
problem.
7. Slide Rule:
In the 1620’s, Edmund Gunter, an English
mathematician, developed the slide rule.
It was very popular until the development of
the pocket calculator in the 1970’s.
8. Adding Machine:
In 1642, Blaise Pascal, a
French mathematician,
invented the Adding
Machine or Pascalene
Wheel.
He invented it for his
father who worked in the
tax collecting office.
It could add and subtract
and worked using gears.
9. Stepped Reckoner:
In 1674, Gottfried Wilhelm Von Leibniz (German)
invented the Stepped Reckoner.
It could add, subtract, multiply and divide and used a
stepped cylinder gear.
11. Punched Card Loom:
In 1801, Joseph Marie
Jacquard (French)
redesigned the weaving
loom so that Punched Cards
would control the weaving
patterns.
As a result, this new loom
now did the work of TWO
weavers!
12. Unemployment!!
Because of the economic effects that the loom had
on the people, many were unemployed.
After many looms were built, they were put back to
work.
13. Analytical Engine:
In 1835, Charles
Babbage begins work on
the Analytical Engine
after he had been
working on his Difference
Engine.
He could not complete
his project and he later
died thinking himself a
failure.
The First Modern
computer will be based
on his design.
14. First Computer Programmer:
Lady Ada Augusta
Lovelace convinced
Babbage to convert his
machine to Binary Code
She also recognized
several important
programming techniques.
Therefore, she is
considered to be the…
First Computer
Programmer.
15. Tabulating Machine:
It had taken the US Census Bureau 7 years to
complete the 1880 census.
With the help of Herman Hollerith from
Harvard, they completed the 1890 census in 3
years.
He formed the Tabulating Machine Company
in 1896.
In 1911, the Tabulating Machine Company
merged with two other companies to form the
C-T-R –Calculating, Tabulating and Recording
Company.
In 1924, T. J. Watson, CTR President,
renamed the company…….
18. Age of Modern Computers
Began in 1944, when
Howard Aiken from
Harvard University
invented the Mark I.
This first automatic
digital calculator was
based on Charles
Babbage’s designs.
19. Mark I
The Mark I was 51 ft. x 8 ft.
It had 700,000 moving parts, 500 miles of
conducting wire and weighed 5 tons.
20. What was the Mark I used for?
The Mark I was used
to run repetitive
calculations of
mathematical tables,
ballistics and gunnery
tables for the US
Navy.
22. Electronic Numerical Integrator
and Computer:
In 1946, John
Mauchly and J.
Presper Eckert of the
University of
Pennsylvania
invented the ENIAC
(Electronic Numerical
Integrator and
Computer).
23. ENIAC
It was the 1st general programmable electronic computer.
Used 18,000 vacuum tubes and was 4x the size of the Mark 1.
Therefore, it produced a lot of heat.
Special air conditioning units were installed to keep it cool.
$$$$ In 1946, one month’s electricity bill was $1,500.00
24. ENIAC was used:
To calculate ballistics during
WWII and extensively
performing calculations during
the design of the hydrogen
bomb.
In addition to ballistics, fields
of application included weather
prediction, atomic energy
calculations, cosmic ray
studies, thermal ignition,
random-number studies, wind
tunnel design, and other
scientific uses
25. UNIVAC –Universal Automatic
Computer
Invented by J. Presper Eckert and John Mauchly in 1951.
It was purchased by the US Census Bureau.
It weighed 16,000 pounds, contained 5,000 vacuum tubes
and could do 1,000 calculations per second and cost
$159,000.00
26. 1952 Presidential Election:
In 1952, Adlai Stevenson
was running against
Dwight D. Eisenhower for
President.
In opinion polls,
Stevenson was predicted
to win by a landslide.
By 8:30pm, the UNIVAC
was calculating 100-1
odds in favor of
Eisenhower.
27. The Results:
The CBS TV execs decided not
to use the information.
By 9:00pm, they calculated
another set of numbers and the
UNIVAC predicted 8-7 odds in
favor of Eisenhower.
Realizing a mistake, they
crunched a new set of numbers.
Again, it predicted 100-1 odds in
favor of Eisenhower.
Eisenhower BEAT Stevenson by
a landslide!!
28. A New Journey Has Begun:
1st UNIVAC came on line
for the US Census
Bureau.
The 1st commercial
customer was the
Prudential Insurance
Company.
In 1954, GE’s Appliance
Division created the 1st
industrial payroll
application.
29. 2 Generation:
nd
In 1954, transistors
replaced the vacuum
tubes.
They were inexpensive and
did not produce as much
heat.
Several high level
programming languages
were also introduced.
For example: FORTRAN,
ALGOL, and COBOL
30. 3 Generation:
rd
In 1963, Integrated
Circuits replaced the
transistors.
This brought huge
gains in
computational power.
31. 4 Generation:
th
In 1972, Integrated
Circuit Chips replaced the
Integrated Circuits.
They were faster,
cheaper and smaller.
This generation saw the
use of Large Scale
Integration and Very
Large Scale Integration.
Therefore, entire
processors will fit on a
single chip.
32. Personal Computers:
In 1977, the 1st personal computers entered the
market.
They were the Commodore Pet, TRS80 and the
Apple II.
33. IBM:
In 1981, IBM finally
entered the personal
computer market.
Spending most of the
1960’s developing
minicomputers, IBM
finally saw the impact
of home computer
use.
34. 5 Generation:
th
In 1984, parallel processing was widely
accepted.
This is the concept of 100’s of processors that
all could be working on different parts of a single
program.
Also, wide area network (WAN) and local area
network (LAN) developed at a rapid pace.
The scale of the semiconductors (ICC)
continued at an incredible pace.
35. 6 Generation:
th
The 1990’s saw explosive growth in networking.
Network bandwith has expanded and T1
transmission rates are standard for regional
networks, which are connected by T3
connectors.
The federal government is committing to high
performance with the introduction of two bills.
36. Important Legislation:
High Performance Computing Act of 1991,
which establishes the High Performance
Computing and Communication Program
(HPCCP).
Information Infrastructure and Technology Act of
1992 which addresses high performance
computing to expanding network access and
making technology available to educators from
Kindergarten through Graduate school.