Task 1 Explain the impact of computer systems in social and work, evaluating the role of computer system in different environment? [P1.1,M1] With the aid of diagrams (if applicable) explain the main computer hardware components including: [P1.2,D1] o Function: Central Processing Unit (CPU), Arithmetic Logic Unit (ALU), Random Access Memory (RAM) etc.. o Systems software: The purpose of some system utilities such as (Virus protection, clean up tools, performance monitor etc.)? o Performance factors: The factor that determines the computer performance Compare different types of computer systems and the suitability of usage in different environment? [P1.3]  To achieve M1, you should have made effective evaluation of different roles of computer in different environment including a relevant theories and have been applied and met the deadline to submit the tasks and achieved the unit assessment criteria.  To achieve D1, you should have made a detailed discussion of many computer components including the factors that have an impact on the performance of the computer Task 2 ABC is a company planning to open a small branch in London, the aim of the company is to train professionals in graphic design and video editing, the company planning to run courses for the following software: o Adobe Photoshop CC 2014 o Adobe Premiere Pro CC (2014) o PaintShop Pro X7 Ultimate The company approached you as computer expert and asked for help in designing and creating the specification of the 20 computers for the class room. Department of Information Technology Page 3 of 6 2.1. Discuss the various stages that you would follow in arriving at final specifications of recommended system. You should include Hardware / Software specification [P2.1, M2] 2.2. Justify and evaluate your selection of Hardware/ Software to meet the requirement of the company? [P2.2, To achieve M2, you should have made effective judgement including a range of relevant theories and techniques have been applied, a range of sources of information has been used.  To achieve D2, you should have made a plan by which you have accounted for the unforeseen and accommodated the plan with necessary devices/routines, including alternative approach and critical evaluation procedures demonstrating autonomy and independence. Task 3 The company decided to build one of the systems to make sure that the specification you proposed will perform the task required. 3.1. With the aid of (Diagram, Illustration, and Pictures) that you produce during the LAB session produce the following task: [P3.1, D3] o Show the process (in step by step) of assembling a typical computer, including the Health and safety procedures. o Describe in (step by step Process), how you would install the operating system? 3.2. Produce a test report showing the process you would take to verify the installation. [P3.2, M3] To achieve M3, you should have made an appropriate step by step procedures to assemble a typical personnel computer, including the health and safety and a range of methods in presenting the solution using appropriate technical language accurately. To achieve D3, you should have applied and effective procedure in installing the operating system including the post-installation procedures. Task 4 4.1. The ongoing work required some maintenance, some of which can be a routine the user should perform. Backup, antivirus updates, defragmentation, clean-up etc, can be assumed essential routines that the user should perform. [P4.1, M3] o Explain different types of backup and justify your choice of backup strategy for above company? o Explain the defragmentation tools and how to schedule the defragmentation tools to be executed automatically by the Operating System? 4.2. Discuss what needed to be considered before upgrading any hardware or software of an existing computer system. What critical issues should be addressed before any major updates and/or upgrades in an organisation? [P4.2] To achieve M3, you should have discussed many Utility and Tools to fine tune the operation of the ongoing use of computers, including recommendation and a range of methods in presenting the solution using appropriate technical language accurately