$1.$ Explain how client internal controls can be improved through the proper installation of IT$.$

$2.$ Distinguish between random error resulting from manual processing and systematic error resulting from IT

processing and give an example of each category of error.

$3.$ Explain what is meant by auditing around the computer, and describe what must be present for this approach

to be effective in the audit of a client that uses IT to process accounting information.

$4.$ An audit client is in the process of creating an online Web$-$based sales ordering system for customers to

purchase products using personal credit cards for payment. Identify three risks related to an online sales

system that management should consider. For each risk, identify an internal control that could be

implemented to reduce that risk. $00000000000$