Assignment breif

 The purpose of the exercise was to show the ability to handle hardware correctly and safely while following precautions to not harm the equipment.

 Pubudu Ltd has decided to set up a new computer support to the department in house. As a Senior Support hardware Technician you are responsible for setting up new procedures. These include producing acceptance plans for hardware and software, the production of security policies, health and safety requirements and setting standards for user documentation.

Task 1 Investigate computer systems

T 1.1 A cpu is one of the biggest hardware factoraffecting the computer performance. Processors have a number of different specifications and satistics that factor in to their speed. But many users don't fully understand what they mean.   Marks - 20

 What are the most imprtant factors affecting processor performance are Explain how the address bus and the data bus are used in a computer.   Marks - 20

T 1.2   Describe the use of the following special purpose registers and how they change during the fetch-execute cycle

   A. Memory Address Register

   B. Memory Data Register

   C. Accumulator                                           Marks - 20

T 1.3 Describe fetch/decode/execute/reset cycle when an ADD instruction is being executed

You should include

•   Program Counter(PC)
•   Memory Address Register(MAR)
• Memory Data Register
•   Current Instruction Register
• Accumulator

In your answer                               Marks - 20 

T 1.4   What is Parallel Processing?           Marks - 10

   Discuss two differences between Parallel Computing and Distributed Computing               Marks - 10

  Task 2Investigate operating systems

   T 2.1 What are the THREE main purposes of an operating system?         Marks - 20 

   T 2.2  Define the essential properties of the following types of operating system                   Marks - 20 

        A.  Batch Operating System

        B.  Real-time Operating System

        C.  Network Operating System

   T 2.3  Produce a user guide to explain how to make use of the following system tools in Windows Professional operating system:                    Marks - 20  

      a.  Backup

      b.  Disk clean up

      c.  Disk defragmenter 

      d.  System restore

   T 2.4   List  down  TWO new technologies in each area of these platforms                   Marks - 40

Area of the platform, New technologie Networking Platform, Computing Platform, Human and Media Platform.

  Task 3 :Design a computer system 

   T 3.1 System design specification for Pubudu Ltd                    Marks - 50     

   T 3.2 Sustainability of chosen specification                              Marks - 50

  Task 4:. Test your computer system 

   T 4.1  Produce a test plan (What,When, Where, How, Who) for the main hardware components.             Marks - 25

   T 4.2 Explain what is white box testing and black box testing, based on your experience                         Marks - 25

         which strategy would be more beneficial to a programmer and which would be more suited to an end user.

   T 4.3 Produce  a  test  plan  to test software components of one of the stand                                                  Marks - 50

             -alone PCs.

                            The application program that you will test has been written by one of the company's own programmers and will require black box              testing by a non

            -programmer.

                           Explain any assumptions and risks