What are the uses or function of mnemonic device?

Can you believe 100 percent in computers? Who can establish standard user accounts that allow alterations to security settings? Why does operating system use cluster instead of sector? How many liters are in 26.4 gallons? If PII is lost what agencies do you inform? How do you do I convert my keyboard to make accents with the alt buttons? What is a PDA and handheld pen? Who handles media inquires at the incident scene? What items are considered part of the physical layer of a network? What is SIOP and the advantages of using this format? What is so good about ooVoo? What is the Unix command to count the number of files in current directory? Where is Monterey Bay Computer Works located? What is European partitioning? Why does your Microsoft Works documents have paragraph marks? Why does a point of sale application pause or hang? Will all computers shut down in 2012? What does double take software cost? Does the first portion of each IP address identifies the networks? Which three data structures are lost if a router is rebooted or loses power?