DC014 Lecture Note & Tutorial

DC014 COMPUTER SCIENCE























Semester 1, Session 2021/2022
























COMPUTER SCIENCE UNIT













KEDAH MATRICULATION COLLEGE

DC014 COMPUTER SCIENCE























Semester 1, Session 2021/2022
























COMPUTER SCIENCE UNIT













KEDAH MATRICULATION COLLEGE

TOPIC





















1.0 INFORMATION TECHNOLOGY













2.0 HARDWARE AND SOFTWARE














3.0 INTERNET TECHNOLOGIES

TOPIC





















1.0 INFORMATION TECHNOLOGY













2.0 HARDWARE AND SOFTWARE














3.0 INTERNET TECHNOLOGIES



CHAPTER 1

















1.0 INFORMATION




TECHNOLOGY















DC014 LECTURE NOTE




UNIT SAINS KOMPUTER

KOLEJ MATRIKULASI KEDAH

Learning Outcomes:



















1.1 Technology Uses







• Explain the usage of current technology in different





fields: education, government, finance, retail,




entertainment, health care, science, travel,





publishing and manufacturing.





• Discuss the applications of Information Technology.

Learning Outcomes:



















1.1 Technology Uses







• Explain the usage of current technology in different





fields: education, government, finance, retail,




entertainment, health care, science, travel,





publishing and manufacturing.





• Discuss the applications of Information Technology.

Definition of Information Technology















• Information technology is the use of computer






hardware and software to store, retrieve and





manipulate information.

Definition of Information Technology















• Information technology is the use of computer






hardware and software to store, retrieve and





manipulate information.

Computer















• Computer is an electronic device that can






accept data, process the data, produce results,





and store results for future use.







• A computer uses hardware and software to






process data into information.







–Hardware is the electric, electronic, and





mechanical equipment that makes up a






computer.







–Software is a series of instructions that tells





hardware how to perform tasks.

Computer















• Computer is an electronic device that can






accept data, process the data, produce results,





and store results for future use.







• A computer uses hardware and software to






process data into information.







–Hardware is the electric, electronic, and





mechanical equipment that makes up a






computer.







–Software is a series of instructions that tells





hardware how to perform tasks.

Computer















• Computers process data into information.







–Data is a collection of unprocessed text,






numbers, images, audio, and video.







–Information is data that is organized,





meaningful, and useful.

Computer















• Computers process data into information.







–Data is a collection of unprocessed text,






numbers, images, audio, and video.







–Information is data that is organized,





meaningful, and useful.

Applications of Information Technology















• Information Technology (IT) has been applied in the





following fields:










1. Education 6. Publishing






2. Finance 7. Travel






3. Government 8. Manufacturing






4. Health Care 9. Retail





5. Science 10. Entertainment

Applications of Information Technology















• Information Technology (IT) has been applied in the





following fields:










1. Education 6. Publishing






2. Finance 7. Travel






3. Government 8. Manufacturing






4. Health Care 9. Retail





5. Science 10. Entertainment

Applications of IT in Education















• Computers and networks have become the






major part in educational institutions to





improve and enhance education materials,






activities and managements.







• Benefits:






– Easy access of information






– Learning becomes more interesting






– Learning can takes place anytime and anywhere






– Improve quality in education

Applications of IT in Education















• Computers and networks have become the






major part in educational institutions to





improve and enhance education materials,






activities and managements.







• Benefits:






– Easy access of information






– Learning becomes more interesting






– Learning can takes place anytime and anywhere






– Improve quality in education

Applications of IT in Education















• Examples of applications in Education:







–e-Learning







–Digital Library







–Education Portal







–EduwebTV@Youtube

Applications of IT in Education















• Examples of applications in Education:







–e-Learning







–Digital Library







–Education Portal







–EduwebTV@Youtube

Applications of IT in Education:





e-Learning











• e-learning refers to the use of computers and






networks to support learning activities and





provide learning materials.







– Examples : online tuition, online test and





computer-based training.






• Benefits:






– Learning materials can be accessed anywhere,





anytime, and by anyone.






– Students can learn at their own pace and time.






– Learning becomes more interesting and effective.

Applications of IT in Education:





e-Learning











• e-learning refers to the use of computers and






networks to support learning activities and





provide learning materials.







– Examples : online tuition, online test and





computer-based training.






• Benefits:






– Learning materials can be accessed anywhere,





anytime, and by anyone.






– Students can learn at their own pace and time.






– Learning becomes more interesting and effective.

Applications of IT in Education:





Digital Library











• A collection of documents in organized






electronic form, available on the Internet or





on CD-ROM.







– a user may be able to access magazines, books,





journals, images, sound files, and videos.






• Benefits:






– No physical boundary as people from all over the





world could gain access to the same information.






– can be accessed at any time, 24 hours a day and




365 days of the year.

Applications of IT in Education:





Digital Library











• A collection of documents in organized






electronic form, available on the Internet or





on CD-ROM.







– a user may be able to access magazines, books,





journals, images, sound files, and videos.






• Benefits:






– No physical boundary as people from all over the





world could gain access to the same information.






– can be accessed at any time, 24 hours a day and




365 days of the year.

Applications of IT in Education:





Education portal











• Website that provides learning and training






materials and services from several sources.






– Students can log on to the education portal for





their university to see their current courses, fees,





and other relevant information as well as




download learning materials.






• Benefit:







– Facilitate teaching and learning process and





improve the management of education.

Applications of IT in Education:





Education portal











• Website that provides learning and training






materials and services from several sources.






– Students can log on to the education portal for





their university to see their current courses, fees,





and other relevant information as well as




download learning materials.






• Benefit:







– Facilitate teaching and learning process and





improve the management of education.

Applications of IT in Finance















• Many people and companies use computers






to help manage their finances.







• Benefits:







– Improve productivity, competitiveness and




profitability.






– Help companies to promote their product and




services.

Applications of IT in Finance















• Many people and companies use computers






to help manage their finances.







• Benefits:







– Improve productivity, competitiveness and




profitability.






– Help companies to promote their product and




services.

Applications of IT in Finance















• Examples of applications in Finance:







–Online banking







–Online Investing







–Personal Finance Software

Applications of IT in Finance















• Examples of applications in Finance:







–Online banking







–Online Investing







–Personal Finance Software

Applications of IT in Finance:





Online Banking











• A system that allows individuals to perform






banking activities such as bill payment and





fund transfers through the internet.







• Benefit:







– The transactions can be performed faster and with





greater convenience.

Applications of IT in Finance:





Online Banking











• A system that allows individuals to perform






banking activities such as bill payment and





fund transfers through the internet.







• Benefit:







– The transactions can be performed faster and with





greater convenience.

Applications of IT in Finance:





Online Investing











• The process by which investors buy and sell






securities through the Internet.







• Benefit:







– Online brokers offer lower fees.





– Transactions can be performed faster.

Applications of IT in Finance:





Online Investing











• The process by which investors buy and sell






securities through the Internet.







• Benefit:







– Online brokers offer lower fees.





– Transactions can be performed faster.

Applications of IT in Finance:





Personal Finance Software











• special application software that helps






individuals to manage personal income and





expenses, and plan family budgets.







• Benefit:







– Personal finance can be managed more effectively.

Applications of IT in Finance:





Personal Finance Software











• special application software that helps






individuals to manage personal income and





expenses, and plan family budgets.







• Benefit:







– Personal finance can be managed more effectively.

Applications of IT in Government















• Government use IT to provide society with up-






to-date information and services.







• Benefits:







– Enhance the convenience, accessibility, and




quality of interactions with the public and





businesses.





– Modernizing & enhancing its service delivery.

Applications of IT in Government















• Government use IT to provide society with up-






to-date information and services.







• Benefits:







– Enhance the convenience, accessibility, and




quality of interactions with the public and





businesses.





– Modernizing & enhancing its service delivery.

Applications of IT in Government















• Examples of applications:








–E-Filing - Online system for declaring tax.







–HRMIS - Online system for updating government





employees information.






–E-Penyata Gaji dan Laporan - Online system





that allow users to view and print pay slip.






– Mysejahtera - Assist in monitoring the outbreak





by cooperation of users to assess their health risk




against COVID-19.

Applications of IT in Government















• Examples of applications:








–E-Filing - Online system for declaring tax.







–HRMIS - Online system for updating government





employees information.






–E-Penyata Gaji dan Laporan - Online system





that allow users to view and print pay slip.






– Mysejahtera - Assist in monitoring the outbreak





by cooperation of users to assess their health risk




against COVID-19.

Applications of IT in Government:





MySejahtera Apps











• An application developed by government to






manage the COVID-19 outbreak in Malaysia.







• Provides the Ministry of Health(MOH) with





necessary information to plan for early and






effective countermeasures.

Applications of IT in Government:





MySejahtera Apps











• An application developed by government to






manage the COVID-19 outbreak in Malaysia.







• Provides the Ministry of Health(MOH) with





necessary information to plan for early and






effective countermeasures.

Applications of IT in Health Care















• IT is used in health care for various purposes:







– To maintain and access patients’ records.






– To monitor patients’ vital signs in hospital rooms.






– Doctors use email to correspond with patients.






– Surgeons implant computerized devices, such as




pacemakers, to improve patients’ health.






– To assist in managing the outbreaks in the country

Applications of IT in Health Care















• IT is used in health care for various purposes:







– To maintain and access patients’ records.






– To monitor patients’ vital signs in hospital rooms.






– Doctors use email to correspond with patients.






– Surgeons implant computerized devices, such as




pacemakers, to improve patients’ health.






– To assist in managing the outbreaks in the country

Applications of IT in Health Care















• Examples of applications:







–Telemedicine







–Telesurgery







–Medical websites.

Applications of IT in Health Care















• Examples of applications:







–Telemedicine







–Telesurgery







–Medical websites.

Applications of IT in Health Care:





Telemedicine











• The practice of medicine through the use of all






forms of data, visual and audio





communication.







• Allows doctors in separate locations to






conduct live conferences on the network and





enables doctors to carry out







tele-consultations with







patients at different places.

Applications of IT in Health Care:





Telemedicine











• The practice of medicine through the use of all






forms of data, visual and audio





communication.







• Allows doctors in separate locations to






conduct live conferences on the network and





enables doctors to carry out







tele-consultations with







patients at different places.

Applications of IT in Health Care:





Telesurgery











• Allows a surgeon to perform an operation on a






patient who is not located in the same





physical room as the surgeon.







• surgeons will direct robots to perform an






operation via computers







connected to a







high-speed network.