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ICT
Information and Communication Technology
ICT
Integration of telecommunications, computers, other technologies
ICT
Encompasses a broad array of devices and systems including the:
Internet
Wireless networks
Cellphones
Broadcasting mediums
Audio-visual processing
Facilitating communications
Information management across various platforms and industries
ICT
Enables users to access, store, transmit, and manipulate informAtions
Communication
Education
Work
Socializing
Uses of ICT
Communication
Allows instant communication across great distance
Education
Provides access to educational resources and platforms such as e-books, online courses, and virtual classrooms
Work
Organizations use ICT to operate efficiently, making ICT skills essential for employees
Socializing
Social media has transformed how people interact, form relationships, and access information
Access to information and Enhanced communication
Increased connectivity through volP and instant messaging
Improved access to education
Distance learning and online tutorials
New tools, new opportunities
Assistive technologies for people with disabilities
Information management
Efficient data management and stock control
Security
Data protection through encryption and 2FA
Global participation
Involvement in global communities and projects
Simulations and experimentation
Use of simulations for training and experimentations
Creation of New Jobs
Emerging careers in ICT- related fields
Negative Impacts of ICT
Job loss
Cost
Reduced physical activity
Competitions
Reduced personal interaction
Computer
Is a programmable machine that manipulates data according to a list of instructions
Computer
Has the ability to store, retrieve and process data
1613
First use of the word COMPUTER
Computer
Richard Braithwaite
Computer
A person who carried out calculations or computations
Tally Sticks
Ancient memory aid service
Tally Sticks
To record and document numbers, quantities, and even massages
Abacus
Mechanical device
Abacus
Used to aid an individual performing basic arithmetic operations
Abacus
Was invented in Babylonia in 2400
Napier’s Bones
John Napier
1614
Napier’s Bone
Allowed the operator to multiply, divide, calculate square and cube root by moving the rods and placing them in a specially constructed boards.
Slide Rule
William Oughtred
1622
Slide rule
Based on Napier’s ideas about logarithms
Slide Rule
Used primarily for multiplication, division, roots, logarithms, trigonometry but NOT used for addition or subtractions
Slide rule
Not used for addition or subtraction
Pascaline
Blaise pascal
Blaise pascal
French mathematician philosopher
Pascaline
1642
Pascaline
It could only do addition and subtraction
Pascaline
It is too expensive
Step reckoner
Gottfried Wilhelm Leibniz
Step reckoner
1643
Step reckoner
1st non-programmable mechanical computer that could perform all 4 arithmetic operations automatically
Jacquard Loom
Joseph Marie Jacquard
Jacquard loom
1801
Jacquard loom
A weaving device that is incorporated in special looms to control individual warp yarns
Arithmometer
1820
Aruthmometer
The first reliable, useful and commercially successful calculating machine
Arithmometer
Could perform the 4 basic mathematic functions
Arithmometer
1st mass produced calculating machine
Charles Babbage
Father of computer
Charles babbage
English mechanical engineer in 19th century
Charles babbage
Devised a theory of the 1st programmable computer
Difference Engine
1st mechanical computer
Difference engine
Designed to aid navigational calculations
Difference engine
A machine that could approximate polynomials started construction in 1822 but was unfortunately abandoned
Analytical Engine
General purpose computer
Analytical computer
Automatic computer
Analytical computer
It could be given data and run operations in sequence
Analytical engine
It was never fully constructed since the government stopped funding the project
Ada Lovelace
Augusta ada king, countless of lovelace
Ada lovelace
1st computer programmer
Ada lovelace
Recognized in 1843 for her annotations on the programming of the analytical engine to compute bernoulli numbers
Scheutzian calculation engine
Per Georg Scheutz
Scheutzian Calculation Engine
1843
Scheutzian calculation engine
Based on charles babbage’s difference engine
Scheutzian calculation engine
1st printing calculater
Electric tabulating machine
Herman hollireth
Electric tabulating machine
Designed to assist in summarizing information stored on punch cards
Electric tabulating machine
Invented to help process data for the 1980 census
Turing machine
Alan turing
Turing machine
1936
Turing machine
Universal computing machine now know as a universal turing machine, considered as the modern computer
Turing machine
The stored programmed in tape, where all the instructions for the computing are stored in memory
Harvard mark l
Howard H. Aiken
Harvard mark l
1944
Harvard mark l
Also known as IBM Automatic sequence controlled calculator (ASCC)
Howard Mark l
One of the earliest electromechanical computers
Howard mark l
1st large scale automatic digital computer
Z3
Konrad Zuse
konrad Zuse
German engineer
Z3
1941
Z3
1st programmable digital computer
Z3
Used mechanical relays for computation
Eniac
John Presper
Joh W. Mauchly
Eniac
1964
Eniac
Electronic Numerical Integrator and computer
Eniac
World’s 1st general-purpose electronic computer
Eniac
Also considered as the landmark in the evolution of computers
Osborne 1
1981
Osborne 1
1st widely accepted portable computers
Osborne 1
It did not include a battery required plugging into a main socket
The mother of all demos
Douglas Engelbart
The mother of all demos
Internet and computer pioneer
The mother of all demos
Mouse
Apple
Released its 1st GUI operating system, macintosh in 1984
Microsoft
Debuted its 1st GUI the following year in windows 1.0
Note 
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