ICT module 1 Flashcards
deals with the use of different communication technologies such as mobile phones, telephones, internet to locate, save, send, and edit info
ICT
a study of computer as data processing tools
ICT
introduces students to fundamentals of using computer systems in an internet environment
ICT
ICT Hub of Asia
Philippines
Responsible for the planning, development , and promotion of the country’s info and communication tech agenda in support of national development
ICT Department in PH
an electronic device for storing and processing data, typically in binary form, accrdg to instruction given to it in variable platforms
computer
a machine that can be programmed to manipulate symbols
computer
computer responds to specific set of instructions in a ________ manner
well-defined
computer can execute a _______ list of instructions (program)
pre-recorded
computer can quickly store and retrieve a large amount of ____
data
CPU
Central Processing Unit
Components of a General Purpose Computer
CPU, memory, mass storage device, input device, output device (CMMDIO)
executes instructions organized in programs (software) which tell the computer what to do
memory
fast, expensive, short term memory
memory
enables a computer to store, data, programs, and intermediate results temporarily
memory
slower, cheaper, long term memory
mass storage device
allows a computer to permanently retain large amounts of data and programs between jobs
mass storage device
example of a mass storage device
disk drive
conduit through which data and instructions enter a computer
input device
example of input devices
keyboard, mouse
a display screen, printer, or devices that let you see what the computer has accomplished
output device
computer sizes and power
personal computer, workstation, minicomputer, mainframe, supercomputer
a small, single-user computer based on a microprocesseor
personal computer
powerful, single-user computer
workstation
like a personal computer, but has more powerful microprocessor and a higher quality monitor
workstation
multi-user computer capable of supporting up to 100s of users simultaneously
minicomputer
powerful multi-user computer capable of supporting many hundreds/ thousands of users simultaneously
mainframe
extremely fast computer that can perform hundreds of millions of instructions per second
supercomputer
types of personal computer
desktop model, notebook computer, laptop computer, handheld computer (DNLH)
computer designed to fit comfortably on top of desk
desktop model computer
broad and low
desktop model computer
generally limited to 3 internal mass storage devices
desktop model computer
narrow and tall computers
tower model computer
extremely lightweight personal computer
notebook computer
typically weigh less than 6 pounds and are small enough to fit easily in a briefcase
notebook computer
small, portable computer that can sit in your lap
laptop computer
more frequently called notebook computers
laptop computer
portable computer that is small enough to be held in ones hand
hand-held computers
hand-held computers are also called
PDAs (personal digital assistant) and pocket computers
specialized computer system that is part of a larger system/ machine
Embedded computer
housed on a single microprocessor board with the program stored in ROM
Embedded computer
global system of interconnected computer networks that use the internet protocol suite (ITP/IP) to link billions of devices worldwide
Internet
largest computer network in the world, connecting millions of computers
Internet
Internet is called simply the _____
the NET
worldwide system of computer networks - a network of networks in which the users at any one computer can get info from any other computer
Internet
The Secretary of Defense Neil McElroy signed Department of Defense Directive 5105.15. Hi signature launched the Advanced Research Projects Agency (ARPA). The creation of the agency is an important moment in history because it led to the creation of the internet we recognize today.
February 7, 1958
J.C.R. Licklider, a scientist from ARPA and MIT, suggested connecting computers to keep a communications network active in the US in the event of a nuclear attack. This network came to be known as the ARPA Network or ARPANet.
1962`
ARPANet adopted the transmission control protocol (TCP) and separated out the military network (MILNet)
1983
National Science Foundation Network (NSFNet) was launched formally designed to connect university computer science departments across the United States.
1985
Tim Berners-Lee of the European Organization for Nuclear Research (CERN) created the hypertext transfer protocol (http)
1989
the father of the www as he invented it.
Tim Berners-Lee
a standardization that gave diverse computer platforms the ability to access the same internet sites.
hypertext transfer protocol (http)
ARPANet was gradually phased out.
1990
information system on the internet that allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
World Wide Web (WWW)
information space where documents and other web resources are identified by URLs, interlinked by hypertext links, and can be accessed via the Internet.
World Wide Web (WWW)
a hypertext document connected to the World Wide Web.
Web pages
a document that is suitable for the World Wide Web.
Web pages
a document which can be displayed in a web browser such as Firefox, Google Chrome, Opera, Microsoft Internet Explorer or Edge, or Apple’s Safari.
Web pages
collection of web pages which are grouped together and usually connected together in various ways
website
computer that hosts a website on the Internet
web server
refers to the first stage in the world wide web, which was entirely made up of the web pages connected by hyperlinks.
Web 1.0
known as a flat page or stationary age in the sense that the page is “as is” and cannot be manipulated by the user.
Static Web Page
content is also the same for all users that is referred to as Web 1.0.
Static Web Page
the evolution of Web 1.0 by adding dynamic pages
Web 2.0
Different Online Platforms of World Wide Web
Web 1.0, Web 2.0, Web 3.0
user is able to see a website differently than others.
Web 2.0
allows the users to interact with the page; instead of just reading the page, the user may be able to comment or create user account
Web 2.0
The term Web 2.0 was popularized by ________ and ________ at the O’Reilly
Media Web 2.0 Conference
Tim O’Reilly and Dale Dougherty
This platform is all about semantic web.
Web 3.0
aims to have machines (or servers) understand the user’s preferences to be able to deliver web content.
Web 3.0
web 2.0 is the evolution of web 1.0 by adding dynamic web pages. The user is able to see website differently than others (example: social networking sites, wikis, video sharing sites)
Dynamic Web Pages
Features of Web 2.0
Folksonomy, Rich User Experience, User Participation, Long Tail, Software as a service, Mass Participation (FRULSM)
allows user to categorize and classify information using freely chosen keywords e.g. tagging by FB, Twitter, use tags that start with the sign #, referred to as hashtag.
Folksonomy
content is dynamic and is responsive to user’s input
Rich User Experience
The owner of the website is not the only one who is able to put content. Others are able to place a content of their own by means of comments, reviews and evaluation e.g. Lazada, Amazon.
User Participation
services that are offered on demand rather than on a one-time purchase.
Long Tail
synonymous to subscribing to a data plan that charges you for the amount of time you spent in the internet.
Long Tail
users will be subscribe to a software only when needed rather than purchasing them
e.g. Google docs used to create and edit word processing and spread sheet.
Software as a service
diverse information sharing through universal web access. Web 2.0’s content is based on people from various cultures.
Mass Participation
the synergy of technological advancements to work on a similar goal or task. For example, besides using your personal computer to create word documents, you can now use smartphone.
Convergence
a website, application, or online channel that enables web users web users to create, co-create, discuss modify, and exchange user generated content.
Social Media
6 types of Social Media
Social Networks, Bookmarking Sites, Social News, Media Sharing, Microblogging, Blogs and Forums
sites that allows you to connect with other people with the same interests or background. Once the user creates his/her account, he/she can set up a profile, add people, share content, among others.
Social Networks
Sites that allow you to store and manage links to various website and resources. Most of the sites allow you to create a tag to others.
Bookmarking Sites
Ex. of Social Networks
Google+, Facebook
Ex. of Bookmarking Sites
Stumble Upon, Pinterest
Sites that allow users to post their own news items or links to other news sources. The users can also comment on the post and comments may also be rank.
Social News
Ex. of Social News
Reddit, Digg
sites that allow you to upload and share media content like images, music and video
Media Sharing
Ex. of Media Sharing
YouTube, Flickr, Instagram
focus on short updates from the user. Those that subscribed to the user will be able to receive these updates
Microblogging
Ex. of Microblogging
Twitter, Plurk
allow user to post their content. Other users are able to comment on the said topic.
Blog and Forums
popularity of smartphones and tablets has taken a major rise over the years
Mobile Technologies
Today the latest model devices use __ Networking (LTE), which is currently the fastest
4G
Mobile Operating Systems
iOS, Android, Blackberry OS, Window phone OS, Symbian, WebOS, WIndows Mobile
use in apple devices such as iPhone and iPad
iOS
an open source OS developed by Google. Being open source means mobile phone companies use this OS for free.
Android
Use in blackberry devices
Blackberry OS
A closed source and proprietary operating system developed by Microsoft.
Windows phone OS
the original smartphone OS. Used by Nokia devices
Symbian
originally used in smartphone; now in smart TVs
WebOS
developed by Microsoft for smartphones and pocket PCs
Windows Mobile
a non- profit service designed to help people who have visual and reading impairments. A database of audio recordings is used to read to the user.
Assistive Media
distributed computing on internet or delivery of computing service over the internet
Cloud Computing
Trends in ICT
Convergence, Social Media, Mobile Technologies, Assistive Media, Cloud Computing (CSMAC)
Components of Cloud Computing
client computers, distributed servers, datacenters
clients are the device that the end user interact with cloud
client computers
often servers are in geographically different places, but server acts as if they are working next to each other.
distributed servers
a collection of servers where application is placed and is accessed via Internet.
Datacenters
Types of Clouds
Public Cloud, Private Cloud, Community Cloud, Hybrid Cloud
allows systems and services to be easily accessible to the general public. Public cloud may be less secured because of its openness, e.g. e-mail
Public Cloud
allows systems and services to be accessible within an organization. It offers increased security because of its private nature.
Private Cloud
allows systems and services to be accessible by group of organizations
Community Cloud
a mixture of public and private cloud. However, the critical activities are performed using private cloud while the non-critical activities are performed using public cloud.
Hybrid Cloud
