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hardware components and software
                  standards.  This allows  software          Activity 7.2:
                  applications to run smoothly on        Investigating key features of an          Chapter Seven: Operating Systems
                  different systems without needing      Operating system
                  major modifications. For example,
          FOR ONLINE READING ONLY
                  a well-designed OS uses industry-      Aim:
                  standard interfaces like USB           To examine  and understanding its
                  (Universal Serial Bus) and drivers,    functionality, perfomance,  security,
                  which are pre-written software         and user interface.
                  programs that act as translators,      Use the internet to research and write
                  allowing the OS to recognize and       a report of no more than two pages on
                  communicate with a new hard drive,     the following aspects of the operating
                  regardless of its manufacturer. You can   system installed on a personal
                  access and use the hard drive without   computer, smartphone, or tablet owned
                  needing to install additional software   by your parent, relative, or your school.
                  specific to that manufacturer. With
                  respect to software compatibility,     1: Investigate  and summarize  the
                                                            features, strengths, and weaknesses
                  a well-designed OS uses published         of all  OS versions  prior  to  the
                  software standards like APIs that         currently installed version.
                  act as a common language between
                  programs and the OS. For example,      2: Identify  and  describe  the  key
                  a  photo editing  program,  likely        components  of the  currently
                                                            installed  OS version. Explain  the
                  designed to work across different         function(s) of each component.
                  Operating Systems, uses these APIs
                  to interact with the OS and access     3:  Provide   two    examples     of
                  functionalities like opening files or     application  software that are
                  using the graphics card, allowing you     negatively impacted by limitations
                                                            in
                                                                                management,
                                                                   resource
                  to run the program smoothly on your       inefficient  device  drivers,  or
                  specific computer system.                 security  measures within the
              (f)  Hardware utilization: The OS plays       currently installed OS version.
                  a role in how efficiently hardware     4: Explain  how these  limitations
                  resources are used. A good design         affect the performance or usability
                  optimises hardware utilisation,           of the software.
                  leading to better performance of
                  software applications. For example,    Deliverables:
                  in mobile gaming, mobile operating     Produce a two-page report covering all
                  systems with features like hardware    the aspects mentioned above. Ensure
                  acceleration for graphics processing   your report is well-organised, clear,
                  can significantly improve the          and concise. Document your report in
                  performance of high-end games.         a portfolio.

                                                    417
               Student’s Book  Form Five



     Computer Science Form 5.indd   417                                                     23/07/2024   12:34
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