Back Question 1 Q.1.1 Explain how cache (SRAM) can support CPU pipelining. Q.1.3 Many physical features of CPUs have been upgraded over the years. Below are some the features that latest CPUs can perform. Briefly explain how each can benefit users of computers. Q.1.2 Discuss how you will secure mobile devices and the solution to recovering your data (6) encase of a mobile device theft. Question 2 COAR5111Ea_THE Question 3 64-Bit processing. Virtualization support. Q.2.1 You are a Junior IT Technician in your organisation. One of the duties is to demonstrate and explain how the computer works to new intern stuff. Discuss how you would demonstrate and explain? 19;20;21 (Marks: 15) Q.3.1 Mary decided to upgrade her CPU, provide the steps that she will take to completely perform the upgrade and explain why she should also consider cooling as one of her concerns. The Independent Institute of Education (Pty) Ltd 2022 Question 4 Q.3.2 For one to understand the difference between ROM and RAM you need to understand their characteristics. Identify the characteristics of ROM and RAM. Q.3.3 Explain why you would use the soft on/off jumper when working on ATX system? Q.4.1 Describe the relationship between ROM, BIOS and CMOS. (Marks: 10) (5) Q.4.3 Discuss the steps you would take to upgrade and install a motherboard. (4) (Marks: 20) (10) (6) (10) (4) Page 3 of 5 2022 (Marks: 25) (6) Q.4.2 By aid of examples discuss the operational procedures used by a Tech for one (9) to become an effective Tech. (6) < Back 19;20;21 Question 4 Q.4.1 Describe the relationship between ROM, BIOS and CMOS. Q.4.3 Discuss the steps you would take to upgrade and install a motherboard. Question 5 Q.4.4 Explain different ways a PC's technician can effectively maintain a good airflow inside a computer case. COAR5111Ea_THE Q.4.2 By aid of examples discuss the operational procedures used by a Tech for one (9) to become an effective Tech. Q.5.1 Compare the difference between primary and extended partition. Q.5.3 Q.5.4 19;20;21 Briefly state any (2) two main considerations that you will identify when up grading RAM. Video capture and playback suffer from several quirks. Describe any three common quirks you would find on the on the capture side. a Q.5.2 You have been asked by your IT manager to draft a guideline on what to consider (2) when upgrading RAM. The Independent Institute of Education (Pty) Ltd 2022 Question 6 Use at least three factors /characteristics for each to compare the following RAID types: Mirrored drives; Duplexing drives. Disk stripping. (Marks: 25) 2022 (6) (6) (Marks: 25) Q.6.1 Computers are affected by different environmental threats. List any three (3) environmental threats that affect computers and give one (1) solution to each. (4) (8) (6) (9) Page 4 of 5 2022 (Marks: 25) (6) Back 5 of 5 19;20;21 The Independent Institute of Education (Pty) Ltd 2022 Question 6 Q.6.2 Q.6.3 Q.6.4 Duplexing drives. Disk stripping. Q.6.1 Computers are affected by different environmental threats. List any three (3) environmental threats that affect computers and give one (1) solution to each. COAR5111Ea_THE Describe the four- step process you would need to follow when you want to disassemble a portable PC successfully. Fred tries to power on a laptop but the screen remains blank. Provide the three (3) primary solutions to Fred's problem. Describe any five troubleshooting techniques when a wireless connection does not work or works intermittently on a laptop. Q.6.5 Provide an example of a source of each of the following malicious software: Virus; a Worm. The Independent Institute of Education (Pty) Ltd 2022 END OF PAPER Page 4 of 5 (Marks: 25) 2022 (6) (4) (5) (6) (4) Page 5 of 5