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•  Digital marketing is an emerging technology where the Internet is used to reach consumers by attracting them
                through online promotions, advertisements, and marketing.
              •  In many companies, computers are used for advertising products, by using arts and graphics facilities. It is possible
                to create interesting advertisements for various products so that the goal of selling can be achieved.

              •  Through social media channels, technology helps a company
                to interact  with their customers,  engage  in conversations,
                and  gain  a better  understanding  of  customer  preferences,
                behavior, and purchase trends.
              •  Marketers  use  IT  to  recognise  their  suppliers,  distributors,
                sponsors, employees,  etc., to have a significant impact on
                improving productivity.
              •  E-mails, blogs, social networking sites, etc., can be used to get
                direct feedback and create a good word of mouth in the market.

              IT in Health Care

              A good healthcare system is a backbone of a developing country. Information Technology plays a very important role in
              building a strong health care system. Let us study now the important applications of IT in health care system:
              •  Electronic Medical Records (EMR) system is used to convert medical information of patients such as medical history,
                medications, insurance information, etc. into a single database that can be easily accessed by hospital staff and doctors.
                                                                •   Computerised appointments with the doctors can be easily
                                                                  done.

                                                                •   Medical  devices  with  the  latest  technology  are  used  in
                                                                  diagnosis of diseases and in the operation theatre during
                                                                  surgery. Some of the commonly used devices are ECG, MRI,
                                                                  CAT, Cardiac Echo, X-Ray machine, ultrasound etc.
                                                                •   Capturing  the diagnostic  information  of  a patient and
                                                                  generating the reports.
              •  Computer-Assisted Decision Making (CADM) system helps the doctors to design the treatment patterns for the patients.
              •  Health care  manufacturing companies  use computers to aid the  production  of diagnostic tools  and medical
                instruments.

              Use of ICT in Diagnosis
              With the advancements in computer hardware and software technology, various high-tech machines are used in the
              diagnosis and treatment of critical diseases. Using an expert system, diseases can be diagnosed at the early stages and
              the patients can be given treatment accordingly. Some of these machines are:

              •   Computerised Axial Tomography Machine (CAT): Using this machine three-dimensional (3D) images of different
                parts of the body can be made. These images are helpful in the diagnosis of diseases.
              •   Magnetic Resonance Imaging Machine (MRI): MRI machines are used to give the digital impression of internal
                organs of the body by using strong magnetic fields and radio waves. The digital images are very helpful in the
                detection and in deciding the treatment of diseases.
              •   Electrocardiogram Machine (ECG): The ECG machine is used to monitor the heartbeat. When the heart pumps
                blood to different parts of the body some electrical impulses are produced. This machine records the electrical
                impulses and shows it in the form of a graph.


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