Friday, June 6, 2008
Advantages of computers in education
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ADVANTAGES OF COMPUTER MODELLING
Introduction
Ever since computers first developed, they have performed numerous tasks that have made life a little easier and more comfortable for us. The first computers were room-sized monstrosities that occupied several rooms. These first computers were made by the military for military applications, in particular for calculating ballistic and trajectory data. But in less than 50 years computers have undergone a remarkable change not only in its capabilities but also in its applications and use. Nowadays, the computer is viewed as a household appliance, serving a number of functions, from word processing to communicating through the internet. A great leap indeed.And through its development the computer finally made its way into the world of geology. Here, the computer?s ability to perform tasks and calculations quickly has helped the geologists tremendously. Because of its speed it is able to perform the numerous calculations that geologists in the past were forced......
Ever since computers first developed, they have performed numerous tasks that have made life a little easier and more comfortable for us. The first computers were room-sized monstrosities that occupied several rooms. These first computers were made by the military for military applications, in particular for calculating ballistic and trajectory data. But in less than 50 years computers have undergone a remarkable change not only in its capabilities but also in its applications and use. Nowadays, the computer is viewed as a household appliance, serving a number of functions, from word processing to communicating through the internet. A great leap indeed.And through its development the computer finally made its way into the world of geology. Here, the computer?s ability to perform tasks and calculations quickly has helped the geologists tremendously. Because of its speed it is able to perform the numerous calculations that geologists in the past were forced......
Advantages of computer-based medical records
Simultaneous, remote access to patient dataMultiple clinicians can access a patient's record simultaneously from many locations. With the recent advent of secure data transmission over the web, clinicians can now review and edit patient records from anywhere in the world.
Legibility of recordHandwritten charts are notoriously difficult to read. On-screen or printed text is often far more legible than handwriting.
Safer data New users often fret over the potential for lost data due to system malfunctions. With a well designed and tested backup scheme and disaster recovery system, a computer-based record is much more reliable and less prone to data loss than conventional paper-based records.
Patient data confidentialityRecord access can be restricted and monitored automatically; each user can have specific levels of access to various data types. Audit logs can be screened electronically to look for statistical abnormalities which may signal unauthorized record accesses.
Flexible data layout Users can have a separate data display and data entry screen, recall data in any order (e.g., chronologically or in reverse chronological order), and create disease or condition specific data review formats. Paper records suffer from temporal constraints in the sense that data are fixed in the exact sequence in which they were recorded.
Integration with other information resourcesOnce in electronic form a patient's data can be linked to reference information stored and maintained locally or, via the internet, on a computer half-way around the world.
Incorporation of electronic dataPhysiologic data can be captured automatically from bedside monitors, laboratory analyzers, and imaging devices located throughout the healthcare enterprise. Such data capture is free from the uncertainties and unreliabilities of human data entry efforts.
Continuous data processingProvided that data are structured and coded in an unambiguous fashion, programs can continuously check and filter the data for errors, summarize and interpret data, and issue alerts and/or reminders to clinicians following the detection of potentially life-threatening events.
Assisted searchIn a small fraction of the time required using a manual system, computers can search free-text (or as Octo Barnett terms it "expensive text") as well as structured data to find a specific data value or to determine whether a particular item has ever been recorded. However, unstructured text must be searched with care since clinicians use many different words and phrases to express the same clinical concept.
Greater range of data output modalitiesData can be presented to users via computer-generated voice, two-way pagers, or email, for example. In addition, instructions can be sent to external, computer-controlled devices like automatic pill dispensers, or infusion pumps which will then carry out the clinician's intended action. Patient-specific alarms can flash lights, ring bells, or buzz buzzers. Finally, multiple single plane images can be transformed back into a single 3-dimensional image and superimposed on the surgeon's field of view.
Tailored paper outputData can be printed using a variety of fonts, colors, and sizes to help focus the clinician's attention on the most important data. In addition, images can be combined with textual data to create a more complete "picture" of the patient's condition.
Always up to dateIf the electronic record is integrated, then all data is immediately available to all practitioners regardless of their physical location as soon as the data is entered into the computer. This eliminates the problems associated with several physicians, each keeping a small portion of a patient's medical record in their offices and transferring these paper-based records back and forth as they consult.
Ó 1999 Dean F. Sittig
Legibility of recordHandwritten charts are notoriously difficult to read. On-screen or printed text is often far more legible than handwriting.
Safer data New users often fret over the potential for lost data due to system malfunctions. With a well designed and tested backup scheme and disaster recovery system, a computer-based record is much more reliable and less prone to data loss than conventional paper-based records.
Patient data confidentialityRecord access can be restricted and monitored automatically; each user can have specific levels of access to various data types. Audit logs can be screened electronically to look for statistical abnormalities which may signal unauthorized record accesses.
Flexible data layout Users can have a separate data display and data entry screen, recall data in any order (e.g., chronologically or in reverse chronological order), and create disease or condition specific data review formats. Paper records suffer from temporal constraints in the sense that data are fixed in the exact sequence in which they were recorded.
Integration with other information resourcesOnce in electronic form a patient's data can be linked to reference information stored and maintained locally or, via the internet, on a computer half-way around the world.
Incorporation of electronic dataPhysiologic data can be captured automatically from bedside monitors, laboratory analyzers, and imaging devices located throughout the healthcare enterprise. Such data capture is free from the uncertainties and unreliabilities of human data entry efforts.
Continuous data processingProvided that data are structured and coded in an unambiguous fashion, programs can continuously check and filter the data for errors, summarize and interpret data, and issue alerts and/or reminders to clinicians following the detection of potentially life-threatening events.
Assisted searchIn a small fraction of the time required using a manual system, computers can search free-text (or as Octo Barnett terms it "expensive text") as well as structured data to find a specific data value or to determine whether a particular item has ever been recorded. However, unstructured text must be searched with care since clinicians use many different words and phrases to express the same clinical concept.
Greater range of data output modalitiesData can be presented to users via computer-generated voice, two-way pagers, or email, for example. In addition, instructions can be sent to external, computer-controlled devices like automatic pill dispensers, or infusion pumps which will then carry out the clinician's intended action. Patient-specific alarms can flash lights, ring bells, or buzz buzzers. Finally, multiple single plane images can be transformed back into a single 3-dimensional image and superimposed on the surgeon's field of view.
Tailored paper outputData can be printed using a variety of fonts, colors, and sizes to help focus the clinician's attention on the most important data. In addition, images can be combined with textual data to create a more complete "picture" of the patient's condition.
Always up to dateIf the electronic record is integrated, then all data is immediately available to all practitioners regardless of their physical location as soon as the data is entered into the computer. This eliminates the problems associated with several physicians, each keeping a small portion of a patient's medical record in their offices and transferring these paper-based records back and forth as they consult.
Ó 1999 Dean F. Sittig
general Advantages of computers
Computers can facilitate self-paced learning. In the CAI mode, for example, computers individualize learning, while giving immediate reinforcement and feedback.
Computers are a multimedia tool. With integrated graphic, print, audio, and video capabilities, computers can effectively link various technologies. Interactive video and CD-ROM technologies can be incorporated into computer-based instructional units, lessons, and learning environments.
Computers are interactive. Microcomputer systems incorporating various software packages are extremely flexible and maximize learner control.
Computer technology is rapidly advancing. Innovations are constantly emerging, while related costs drop. By understanding their present needs and future technical requirements, the cost-conscious educator can effectively navigate the volatile computer hardware and software market.
Computers increase access. Local, regional, and national networks link resources and individuals, wherever they might be. In fact, many institutions now offer complete undergraduate and graduate programs relying almost exclusively on computer-based resources.
Computers are a multimedia tool. With integrated graphic, print, audio, and video capabilities, computers can effectively link various technologies. Interactive video and CD-ROM technologies can be incorporated into computer-based instructional units, lessons, and learning environments.
Computers are interactive. Microcomputer systems incorporating various software packages are extremely flexible and maximize learner control.
Computer technology is rapidly advancing. Innovations are constantly emerging, while related costs drop. By understanding their present needs and future technical requirements, the cost-conscious educator can effectively navigate the volatile computer hardware and software market.
Computers increase access. Local, regional, and national networks link resources and individuals, wherever they might be. In fact, many institutions now offer complete undergraduate and graduate programs relying almost exclusively on computer-based resources.
What Are The Advantages Of Computer And Internet In Our Life?
Computers are slowly but steadily creeping into our lives. It has completely changed the complexion of our work and leisure. Now architects design our houses with the help of computers. We can keep in touch with all our friends and family by internet. Even the book we are reading now has been typist by a computer. With the proper equipment we can sit at our computer and communicate with someone any where in the world. We can use the internet to access vast amount of information including text, graphics, sound and video in any part of the world. With the help of our computers we can send e-mail, receive electronic news letters and even chat with others on line. Most of the computers programmers are such as teach children different languages and scientific facts through interesting games. By playing these games they learn how to make fantastic graphics, animations and sounds at the touch of finger. We can get information about all the fields due to internet. The internet has moved this whole World into a Globe. Our pay bills and utility bills are prepared by computers. Today scientists, doctors, engineers, musicians, accountants, businessmen, bankers and almost everybody belonging to any field of life are using them in their day to day work.
Advantages of computer in Business
Computers are a multimedia tool. With integrated graphic, print, audio, and video capabilities, computers can effectively link various technologies. Interactive video and CD-ROM technologies can be incorporated into computer-based instructional units.
Computers are interactive. Microcomputer systems incorporating various software packages are extremely flexible and maximize control.
Computer technology is rapidly advancing. Innovations are constantly emerging, while related costs drop.
Computers increase access. Local, regional, and national networks link resources and individuals, wherever they might be.
Computers are interactive. Microcomputer systems incorporating various software packages are extremely flexible and maximize control.
Computer technology is rapidly advancing. Innovations are constantly emerging, while related costs drop.
Computers increase access. Local, regional, and national networks link resources and individuals, wherever they might be.
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