Imagine you are working at Best Buy on their computer sales floor. You will deal with people of all skill levels and backgrounds. Consider how you might explain the operating system to the customer in terms of process management, memory management, file system management, and device management. Pick a level of computer knowledge and explain what you would tell a customer about how the operating system would help them based on that level of understanding. Using a scale of 1-10 (one being no knowledge, 10 being an expert), pick a skill level of 2-4 to decide what details you should provide.

Creating "smart interfaces" in all sectors of industry, government, and the public arena is one of the fastest growing hct areas. these interfaces model, interpret, and analyze such human characteristics as speech, gesture, and vision. the field of biometrics, in which humans authenticate themselves to machines, is an area of considerable interest to hct practitioners. fingerprint scans are one of the most frequently used biometric options, and this article, biometric student identification: practical solutions for accountability & security in schools, makes a case for the implementation of fingerprint scans in schools. critique the article, and answer the following questions: according to the author, what are the main benefits of adopting fingerprint scans in schools for student identification? according to the author, what are the main drawbacks of adopting fingerprint scans in schools for student identification? do you agree with the author's assessment of the pl