What file organization would you choose to maximize efficiency in terms of speed of access, use of storage space, and ease of updating (adding/deleting/modifying) when the data are
a. updated infrequently and accessed frequently in random order?
b. updated frequently and accessed in its entirety relatively frequently?
c. updated frequently and accessed frequently in random order?

What characteristic of long period comets suggest they come directly from the oort cloud?

Freya realizes she does not have enough in her bank account to use the debit card. she decides to use a credit card instead. which questions should freya answer before using a credit card? check all that apply. can i pay at least the minimum payment each month? can i make payments on time and avoid late fees? will i have to take out a loan? how much in finance charges can i afford to pay? should i talk to a consumer credit counseling service?

Which feature is selected to practice and save the timing of a presentation