emtech lesson 1

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web browser

An application used to access the World Wide Web

website

Collection of webpages; Includes a file called Homepage

web page

Is a hypertext document connected to the World Wide Web

electronic period

It focused on the advent of solid state devices or electronic devices.

Integrated circuit

It revolutionized the use of computers and electronic devices because circuits are integrated in a chip

internet

Refers to the network of computers connected to each other globally

world wide web

The system that enables user to access hypertext documents and other files over the internet

mechanical period

This period is the advent of the mechanical calculator called the Pascaline

Malware (Malicious Software)

a computer software sent by attackers to inflict chaos on a computer's operation and processes

Integrated circuit

a device that is composed of a group of transistors and circuit elements compressed in a single package

telegraph

a first electrical communication device used to transmit information over long distance

ransomware

a malicious program designed to deny access to a computer system or data until a ransom is paid.

worms

a malicious program that also replicates itself and makes your computer slow

trojan horses

a malicious program that disguises itself as a useful tool but once installed or downloaded it hacks your computer to get sensitive information.

viruses

a malicious program that replicates itself and damages computer files.

adware

a program designed to send you advertisements, commonly as pop-ups on the internet.

transistors

an electronic device with properties and functions similar to vacuum tubes, but it is lightweight and faster

ICT

collectively refers to the technologies, both hardware and software, that enable humans to communicate with one another. I

abacus

considered to be the first counting device in the 2nd century BCE.

telephone

converts sounds into electricity and enables the telephones network to transmit it over copper wires

Web 3.0 or the semantic executing web

envisioned to be a smarter access of hypertext files and a version that would enable a wider range of search in a fast manner.

charles babbage

father of computers

ada lovelace

first computer programmer provided the algorithm for the analytical engine

arpanet

first internet

analytical engine

first programmable mechanical computer.

Tim Berners-Lee

founder of world wide web

pre mechanical period

humans started communicating with one another using words and pictograms curved in rocks

electromechanical period

in this period, the use of electricity for information handling and transfer bloomed

computer processor

personal computers used these processors to deliver user applications.

netizen

refers to the person who is a member or part of the online community

netiquette

set of ideal rules and conduct that a netizen should observe in communicating and/or publishing information and materials over the World Wide Web and in ICT in general.

pre mechanical period

started to write symbols as substitutes for pictures to depict ideas, objects and animals

Electronic Numerical Integrator and Computer (ENIAC)

the first electronic and general purpose computer, it marked a revolutionary period in computing because ENIAC was a big machine that occupied an area of 167 square meters

Employment Web sites

these are Web that enable companies to post job vacancies and also accommodate job seekers by providing a resume-submission facility.

Web search engines

these are programs designed to search or mine the world wide web based on keyboards provided by the user

Research indexing sites

these are web sites dedicated to compile and index researches done by academic researchers, engineers, social scientists, and so on.

Massive Online Open Course (MOOC)

these are web sites dedicated to teach and inform users focused on different areas.

Electronic commerce (e-commerce)

this is a technology that uses electronic means to trade products and currencies.

phishing

this is defined as a software or a program used by an attacker to obtain personal information.

spam

this refers to the transmission of unsolicited messages from various origins using electronic messaging systems such as email and chat messengers.

Web 2.0 or the read-and-write Web (dynamic web)

users or viewers can edit the content of the files they were accessing.

pascaline

was the first mechanical calculator that can work with six digits and carries digits across columns.

Web 1.0 or the read-only Web (static web)

wherein the information or hypertext file is accessed by the user. There were no facilities to interact with it other than to read or view the content.

jack kilby

who invented Integrated circuit

Blaise Pascaline & Wilhelm Schickard

who invented pascaline

William Cooke and Charles Wheatstone in year 1837

who invented telegraph

Alexander Graham Bell (1876)

who invented telephone


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