ELELITE PRELIM Flashcards
ADVANCEMENTS in communication and how information is handled
TECHNOLOGY
Facilitate the TRANSFER OF
INFORMATION and various
types of electronically
mediated communication
ICT
Info Communication Technology
Pertains to the industry that involves computers, SOFTWARE, NETWORKING, and other infrastructure to help relay or manage information important in
modern-day living as seen primarily in LARGE companies or corporations.
IT
Often used in a more general sense, and is described as USING COMPUTERS and other digital technologies to assist INDIVIDUALS or INSTITUTIONS in handling or using information.
Informations and Communications
Technology (ICT)
Refers to the knowledge obtained from reading, Investigation, study or research.
Information
An act of TRANSMITTING messages. Information is exchanged between individuals through verbal and non-verbal.
Communication
Evolved in ways that improve people’s daily activities.
Technology
The concept of technology always starts with the basic ___________
tool
By combining a set of tools, people have come up with ________ that can do the tasks faster and more efficiently.
machines
Most machines, including computers, have evolved through the process of ____________.
automation
1st Generation of Computer is called?
Who designed it?
What years?
ENIAC
Eckert & Mauchly
1946 to 1959
2nd Generation of Computer is called?
Used as interior sections of the computer.
What Years
TRANSISTORS
1959 - 1965
3rd Gen Computer Called?
Used to build computer.
Who designed it?
What Years?
IC
Kilby
1965 - 1971
4th Gen Computer Called?
Used to build computers
what years?
VLSI
1971 to 1980
5th Gen Computer Called?
Having # ___________ electronic components.
What years
ULSI
1980 onwards
What year where Everything is
just one-click away (Automation)
2019
an electronic device that manipulates information or data.
Computer
4 Components of a Computer, and its 4 features
Components (Hardwares)
- Input Devices
- Output Devices
- System Unit
- Storage Devices
Features
- Speed
- Reliability and Consistency
- Accuracy
- Communication
4 Classification of Computers?
Personal Compt. Workstation, Minicomputer, Mainframe
Is a SMALL, SINGLE USER computer based on a microprocessor
Personal Computer
Is a POWERFUL, single- user computer. Has powerful microprocessor and
high-quality monito
WORKSTATION
Is a MULTI-USER computer capable of supporting from 10 to hundreds of users simultaneously.
MINICOMPUTER
Is a POWERFUL multi-user computer capable of supporting hundreds or
thousands of users simultaneously
Mainframe
Are computers designed to be placed on a desk, and are
normally made up of few different parts, including the computer
case, CPU, monitor, keyboard, and mouse
DEKSTOP COMPT
Are battery-powered computer devices whose portability makes
them possible to use almost anytime, anywhere.
LAPTOP
Are hand-held computers with touch-sensitive screen for typing
and navigation.
TABLET
Are hand-held telephones which can do things that computers can do, including browsing and searching the internet and even playing console games. / Include applications present in Computers.
SMARTPHONES AND TVs
include fitness trackers and smartwatches that can be worn
throughout the day.
WEARABLES
is considered to be the message itself for
those who create and own rights of content.
MESSAGE
Refers to the tool or tools used in sending a message from the source to the destination.
MEDIUM
s the one who delivers the message
messenger
type of printing on cloth or on
paper was used in the early 15th
century.
Woodcut Printing
_______________ started working on a printing press which used relief printing and a molding system. What year
1436
Johannes Gutenberg
______________ delivers messages in print, such as newspapers, textbooks, and magazines
Modern Printing press
(year) _______s broadcasting and recorded
media were introduced.
________ and _________ were used to send sound and video to homes and offices through electromagnetic spectrum or radio waves.
1900s
Radio and TV
refers to something hip or popular at a certain point in time. It can be a particular style in fashion, devices, or entertainment.
Trend
Technology is bound to upgrade itself every two years according to what law?
Moore’s Law
3 positive impacts of ICT on individulas, orgz, and society
- Improve access to education
- access to info and communication
- security (encryption and passwords)
3 negative impacts of ICT on individulas, orgz, and society
- Reduced personal interaction and physical activity\
- Job loss or increase in unemployment
- threat to Security
an act of theft in which a person
copies another person’s ideas, words, or writings, etc. and pass them off as his or her own
Plagiarism
an action in which one deals with a
person dishonesty, unethically, and
dishonorably, in order to TAKE ADVANTAGE of the latter’s works and/or resources
Exploitation
can either be an insult, slur, or slander.
Either written or spoken or even through actions, it may lead to libel if the accusation is not true and without any piece of evidence
Libel
does not have a human brain inside but acts in many ways as though it does have a real one
Computer
A computer understand __________. It sees the letters as a series of 0’s and 1’s called binary language.
machine language
Create programs for computers to
do specific tasks
PRogrammer
Means writing
programs
Coding
7-bit code used to
represent letters,
numbers and
basic special
characterss
ASCII CODE
a pathway composed of cables and connectors used to carry data from a computer’s peripheral devices–monitor, keyboard, mouse, etc. – to the CPU and the main memory
SYSTEM BUS
can transfer data to and from the memory of a computer, or into
or out of the CPU
DATA BUS
used by CPU to specify a physical address for instructions, files, and other devices
within the computer system
address bus
used by CPUs to
communicate with other devices within
the computer system
Control Bus
is a computer hardware component that
connects a computer to a computer
network
network interface controller
often limited to an individual person and his or her personal devices.
personal area network
is a connection in which a group of computers and other devices share a
common communications line
Local Area network
connects more than one
LAN and is used for
larger geographical areas
WIDE AREA NETWORK
different type of cables
are used to connect to a
given network (USB,
FireWire, Ethernet cable,
HDMI) * VGA
* Serial Connector
* Parallel Connector
* PS/2
* Audio Jacks
WIRED COMMUNICATION
this includes the following:
* Wireless Fidelity (WIFI)
* Bluetooth
* Global Positioning
System (GPS)
wireless communication
Provide connection to the internet for homes,
offices, schools, and other institutions
Internet Service Providers (ISPs)
Advanced Research Projects Agency’s
Wide Area Network
* Established during
the 1960s
ARPANET
known as the web
WORLD WIDE WEB
AKA INTERNET 2
PREGINET
Dedicated Transmission Channel
Delays in transmission beacuase channel is unavailable. (only available after user disconnects)
Circuit Switching
Use of Packets, but can get lost
Efficient us of network bandwidth
Packet Switching
Send, receive, and analyze packets
within a network;
Point of entry to the WWW
Router
Is a collection of public websites
WWW
Example of Web browsers?
Google Chrome, Mozilla Firefox
Safari
Manages website and its
content
Web Administrator
Father of Internet
Vinton Gray Cerf
Software application for retrieving, presenting, and transversing info resources on the world wide web
web browser
Enables to move a file from one coputer to another computer
(FTP) FILE TRANSFER PROTOCOL
Service enables users to log in to another computer on internet from their local computer for using
telnet
service enables a group of internet users to exchange their views , ideas, information, on some common topic of internet
Usenet news
WWW
HTML
URL
HTTP
WHO INVENTED THEM
Tim Berners Lee
World wide web
hyperText markup language
Uniform Resource Locator
HyperText Tranfer Protocol
global system of interconnected computer networks that use TCP/IP
INternet
High speed connection to the internet is known as ________.
Broadband
Newest and fastest method of internet connectivity thus far
Fiber optic connection
When data is processed and stored on the internet, usually hosted by a business or company or server.
Cloud computing
receiving data on a personal computer or computer system when the data itslef is stored on another computer or on the internet itself
Download
messages sent electronically
Help make sure that any data transmitted over the internet is done so securely
Encryption and authentication
a piece of software that helps prevent a computer from being attacked by online viruses or hackers
firewall
software program that allows user to access and browse the www.
Browser
website made up of entries called posts. topics from politics to food art
blogs
an app protocol for distributed collaborative hypermedia info system.
foundation of data communication fro the www.
HTTP
standard network protocol used to transfer computer files between a client and server on a computer netwrok.
File transfer protocol
sending unwanted emails which serve no purpose.
spamming
