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Isnin, 28 Februari 2011
Definition of ICT
ICT is a technology required for information processing, in particular the use of computer, communication devices and software application to convert, store, protect, process, transmit and retrieve information from anywhere at anytime.
Ahad, 27 Februari 2011
Information and communications technology (ICT)
Information and communications technology or information and communication technology,[1] usually called ICT, is often used as a synonym for information technology (IT) but is usually a more general term that stresses the role of telecommunications (telephone lines and wireless signals) in modern information technology. ICT consists of all technical means used to handle information and aid communication, including both computer and network hardware as well as necessary software. In other words, ICT consists of IT as well as telephony, broadcast media, and all types of audio and video processing and transmission.[2] The expression was first used in 1997[3] in a report by Dennis Stevenson to the UK government[4] and promoted by the new National Curriculum documents for the UK in 2000. ICT is often used in the context of "ICT roadmap" to indicate the path that an organization will take with their ICT needs.[5][6] The term ICT is now also used to refer to the merging (convergence) of telephone networks with computer networks through a single cabling or link system. There are large economic incentives (huge cost savings due to elimination of the telephone network) to merge the telephone network with the computer network system. See VOIP. This in turn has spurred the growth of organizations with the term ICT in their names to indicate their specialization in the process of merging the two network systems.
Sabtu, 26 Februari 2011
foto generasi komputer........................................
generasi pertama = Vacum tubes, generasi kedua = Transistor, generasi ketiga= Intergrated cercuit, generasi keempat= Microprosessor.
Evolusi komputer selepas tahun 1940 boleh dikelaskan kepada lima generasi. Angka dalam kurungan menandakan tarikh anggaran.
Generasi Pertama (1940 - 1959) Vacum TubeGenerasi Kedua (1959 -1964) Transistor
Generasi Ketiga (1964 - awal 80-an)IC Intergrated Cercuit
Generasi Keempat (awal 80-an - ?) Microprosessor
Generasi Kelima (masa depan) artificial intelligence
Selasa, 22 Februari 2011
Usage of ICT in Daily Life
EDUCATION
Today, most schools and higher
educational institutions have computers
in the classroom for teacher and students.
In education, teachers, students,
researchers and school administrators
benefits from the usage of ICT.
BANKING
The computer is the nerve centre
of the banking system around the world.
It functions to control the entire banking
system that also includes 'Electronic Banking Services'.
Electronic banking provides 24 hour services.
The services include :
• Automated Teller Machine (ATM)
• Cheque Deposit
• Electronic Fund Tranfer
• Direct Deposit
• Pay by phone system
• Personal computer banking/
internet banking
In the banking sector, customers,
businessman and bank administrator
benefits from the usage of ICT.
INDUSTRY
Computers are used to facilitate
production planning and control
systems, to support chain management
and to help in product design in the
industrial sector.In the industrial
sector ,workers, researchers and
administrator benefits from the usage of ICT.
E-COMMERCE
E-commerce helps in boosting the economy.
It makes buying and selling activities
easier, more efficient and faster.
For this application, computers,
Internet and shared software are needed.
In the e-commerce sector ,customers r,
suppliers and employees benefits
from the usage of ICT.
During the first generation,computers were with vacuum tubes.
Vacuum tube is an electronic tube is made of glass used as
computer component to store and process data.
The problems of vacuum tube are generates lots
of heat that can damage computer and tubes
can burnt out frequently.ENIAC is first generation
computer that contains weights of 30 tons,18000
vacuum tubes,30-50 foot space and 16000 watts
of power.Advantages of computers in this era :
The using of vacuum tubes that can store and process data
Vacuum tube is an electronic tube is made of glass used as
computer component to store and process data.
The problems of vacuum tube are generates lots
of heat that can damage computer and tubes
can burnt out frequently.ENIAC is first generation
computer that contains weights of 30 tons,18000
vacuum tubes,30-50 foot space and 16000 watts
of power.Advantages of computers in this era :
The using of vacuum tubes that can store and process data
Second Generation of Computer (1956-1963)
The invention of Transistors marked the start of the second generation.These transistors took place of the vacuum tubes used in the first generation computers. Second generation computers also started showing the characteristics of modern day computers with utilities such as printers,disk storage and operating systems. In Second Generation computers, the instruction
Third Generation of Computer (1964-1971)
In third generation, the operating systems allowerd
the machine to run many different application.
These applications were monitored and cooordinated
by the computer's memory. In third generation also,
the Integrated Circuit(IC) was invented in 1958 by
Jack Kilby is combined with electronic components
onto a small silicon disc, made from quartz.
more advancement made possible the fitings
of even more components on a small chip or semi conductor.
Fourth Generation of Computer (1971-present)
Fourth Generation of computers are the modern day computers.
The siz started to go down with the improvement in the integrated circuits.
Very Large Scale(VLSI) and Ultra Large Scale(ULSI)
ensured that millions of components could be fit into a small chip.
It reduced the size and price of the computers at the same time
increasing power, efficiency and reliability. "the intel 4004 chi[,
developed in 1971, took integrated circuit one step further by
locating all the components of a computer (central processing
unit, memory,and input and output controls) on a minuscule chip."
The continued improvement allowed the networking of
computers for the sharing of data. Local Area Networks(LAN)
and Wide Area Network(WAN), were potential benefits,
in that they could be implemented in corporations and
everybody could share data over it. Soon the internet
and World Wide Web appeared on the computer scene
and formented the Hi-Tech revolution of 90's.
Fifth Generation of Computer (present and beyond)
Fifth generations computers are only in the minds
of advance research scientiets and being tested out in
the laboratories.
These computers will be under Artifical Intelligence(AI),
They will be able to take commands in a audio visual way and
carry out instructions. Many of the operations which requires
low human intelligence will be perfomed by these computers.
of advance research scientiets and being tested out in
the laboratories.
These computers will be under Artifical Intelligence(AI),
They will be able to take commands in a audio visual way and
carry out instructions. Many of the operations which requires
low human intelligence will be perfomed by these computers.
Parallel Processing is coming and showing the possibiliy that
the power of many CPU's can be used side by side, and
computers will be more powerful than thoes under central
processing. Advances in Super Conductor technology will
greatly improve the speed of information traffic.
Future looks bright for the computers.
the power of many CPU's can be used side by side, and
computers will be more powerful than thoes under central
processing. Advances in Super Conductor technology will
greatly improve the speed of information traffic.
Future looks bright for the computers.
Isnin, 21 Februari 2011
THE IMPACT OF ICT ON SOCIETY
FASTER COMMUNICATION SPEED
In the past, it took a long time for any news or messages
to be send. Now with the
Internet, news or messages are sent via e-mail to
friends, business partners or to anyone efficiently.
With the capability
of bandwidth, broadband and connection speed on
the Internet,
any information can travel fast and at an instant. It saves
time and is inexpensive.
LOWER COMMUNICATION COST
Using the Internet is cost-effective than the other modes
of communication such as telephone, mailing or courier service.
It allows people to have access to large amounts of data at
a very low cost. With the Internet we do not have to pay for any
basic services provided by the Internet. Furthermore, the cost
of connection to the Internet is relatively cheap.
of communication such as telephone, mailing or courier service.
It allows people to have access to large amounts of data at
a very low cost. With the Internet we do not have to pay for any
basic services provided by the Internet. Furthermore, the cost
of connection to the Internet is relatively cheap.
RELIABLE MODE OF COMMUNICATION
Computers are reliable. With the internet, information could
be accessed and retrieved from anywhere and at anytime. This makes
it a reliable mode of communication. However, the input to the
computer is contributed by humans. If the data passed to
the computer is faulty, the result will be faulty as well.
This is related to the term GIGO.
GIGO is a short form for Garbage In Garbage Out. It
refers to the quality of output produced according to
the input. Normally bad input produces bad output.
refers to the quality of output produced according to
the input. Normally bad input produces bad output.
EFFECTIVE SHARING OF INFORMATION
With the advancement of ICT, information can be shared
by people all around the world. People can share and exchange
opinions, news and information through discussion groups,
mailing list and forums on the Internet. This enable
knowledge sharing which will contribute to the development
of knowledge based society.
PAPERLESS ENVIRONMENT
ICT technology has created the term paperless environment.
This term means information can be stored and retrieved through
the digital medium instead of paper. Online communication via
emails, online chat and instant messaging also helps in
creating the paperless environment.
BORDERLESS COMMUNICATION
Internet offers fast information retrieval, interactivity, accessibility
and versatility. It has become a borderless sources for
services and information. Through the Internet, information
and communication can be borderless.
SOCIAL PROBLEMS
There are some negative effects of ICT. It has created social
problems in the society. Nowadays, people tend to choose online
communication rather than having real time conversations.
People tend to become more individualistic and introvert.
Another negative effect of ICT is :
• fraud
• identity theft
• Pornography
• Hacking
This will result a moral decedent and generate threads to the society.
HEALTH PROBLEMS
A computer may harm users if they use it for long hours frequently.
Computer users are also exposed to bad posture, eyestrain,
physical and mental stress. In order to solve the health problems,
an ergonomic environment can be introduced. For example,
an ergonomic chair can reduces back strain and a screen filter is
used to minimize eye strain
Ahad, 20 Februari 2011
2.0-COMPUTER ETHICS AND LEGAL ISSUE
DIFINATION:
1.Computer Ethics:
-is a system of moral standard used as a guideline
for computer users.
2.Code of Ethics:
-is guidelines in ICT that help to determine whether
a specific computer action is ethical or unethical.
3.Intelectual Property:
-is work created by inventors,authors and artist.
4.Privacy.
-refers to the right of individuals and companies
to deny or restrict the collection and use of
information about them.
5.Computer Crime:
-is any illegal acts involving computers.
6.Cyber Law:
-is any law relating to protect the internet and other
online communication technologies.
1.Computer Ethics:
-is a system of moral standard used as a guideline
for computer users.
2.Code of Ethics:
-is guidelines in ICT that help to determine whether
a specific computer action is ethical or unethical.
3.Intelectual Property:
-is work created by inventors,authors and artist.
4.Privacy.
-refers to the right of individuals and companies
to deny or restrict the collection and use of
information about them.
5.Computer Crime:
-is any illegal acts involving computers.
6.Cyber Law:
-is any law relating to protect the internet and other
online communication technologies.
Jumaat, 18 Februari 2011
Differentiate-ATHICS and LAW..
Ethics | Law |
As guideline to computer user | As a rule to control computer users |
Computers users are free to follow or ignore the code of ethics | |
Universal,can be applied anywhere, all over the world | Depend on country and state where the crime is committed |
To produce ethical computer users | To prevent misuse of computers |
Not following ethics are called immoral | Not obeying laws are called crime |
Jumaat, 11 Februari 2011
sejarah star putra sabak bernam.......................
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