LIVING IN THE IT ERA Flashcards
meaning of ICT
Information and Communications Technology
set of technological tools and resources used to exchange information
ICT
5 Uses of ICT in our Daily Lives
Communication
Job Opportunities
Education
Healthcare
Socializing
Provides effective and faster communication
Communication
Provides broader and easier job hunting
Job opportunities
Provides new and different teaching and learning approaches
Education
Provides High-tech and state of the art medical equipment
Healthcare
Provides stronger support networks and connections and boosts social skills
Socializing
9 Positive impacts of ICT in the Society
Daily Routine Management
Social Relationship
Information Sharing
Communication
Usage of Free Time
Creations of Job and Self- Employment
Paperless Environment
Health Literacy
4 Negative Impacts of ICT in the Society
Job Reduction/Loss
Competition and Misuse of Platforms
Reduced Face-to-face interaction
Cost
is an electronic device that designed to process data. Converting it to information that is useful to people
Computer
Two kinds of Computer
Analog Computer
Digital Computer
Represent data as variable points along a continuous spectrum of values
Analog Computer
Break all types of information into tiny units, and use numbers to represent those pieces of information
Digital Computers
4 Basic Computing Periods - Ages
Premechanical - 3000BC and 1450AD
Mechanical - 1450 and 1840
Electromechanical - 1840 and 1940
Electronic - 1940 and Present
Generations of Computer : (Ages)
1st Generation (1946-1958)
2nd Generation (1959 - 1964)
3rd Generation (1965 - 1970)
4th Generation (1971 - today)
5th Generation (Today - Future)
First generation computers relied on machine language, the lowest-level programming language understood
by computers, to perform operations, and they could only solve one problem at a time. Examples: ENIAC, EDSAC, UNIVAC I
Vacuum Tubes
- Moved from cryptic binary machine language to symbolic, or assembly, languages, which allowed programmers
to specify instructions in words.
Examples: UNIVAC III, RCA 501, Philco Transact S-2000
Transistors
- It could carry out instructions in billionths of a second. Much smaller and cheaper compare to the second
generation computers.
Integrated Circuits
Small computers became more powerful that they could be linked together to form networks, which
eventually led to the development of the Internet.
Microprocessors
The use of parallel processing and superconductors is helping to make artificial intelligence a reality.
Artificial Intelligence
is the largest computer network in the world that connects billions of computer user.
The Internet or “Net” (network of network)
is a collection of computers and devices connected via communication channels and transmission media allow to share resources (hardware, software, data, information)
Network
5 Major Components of an Internet
Servers
IP Address
Browser
Domain Name system
Internet Service provider
6 Types of Server
Application Server
Web Server
Proxy Server
Mail Server
File Server
A computer program that provides service to another computer program and it’s user
Server
A program in computer that provides the business logic for an application program
Application server
A computer program that serves requested HTML pages or files
Web Server
Is a software that acts as an intermediary between an endpoint device, such as computer and another sever from which a user is requesting
Proxy Server
Is an application that receives incoming e-mail and forward outgoing e-mail for delivery
Mail Server
Is a computer responsible for central storage and management of data files so that other computer on the same network can access them
File Server
Is a security component of a policy-based network that provides authorization services and facilities tracking and control of files
Policy Server
It is a numerical label assigned to each device. This provides identity to a network device
IP Address
It is an application program that provides a way to look information on the web
Browser
The phonebook of internet. We access information online through domain names
Domain Name System
It is an organization that provides services for accessing, using or participating in the internet.
Internet service provider
The hardware device that acts as the traffic cop for network signals arriving at your home or business from your ISP
Router
It is the sending and receiving of typewritten messages from one screen to another
Email/Electronic Mail
The jargon name of unwanted and unsolicited email
Spam
The popular, but imperfect defense against spam
Filtering
Is the mathematical scrambling of data so that it is hidden from eavesdroppers
Encryption
Related to encryption. The complex way that computer systems verify that you are who you say you are
Authentication
Terms that describes transferring something you find on the internet to your computer or device
Downloading
Transfer of data from your computer to another computer
Uploading
Is a generic term to describe a barrier against destruction like hackers and viruses
Firewall
websites and apps that allow people to share comments, photos, and videos
Social media
Games that allow people to play with and against each other over the internet
Online gaming
Operating system and application updates can typically downloaded from the internet
Software updates
Is a single digit in the binary numbering system
Bit