Relational database formal definition minimal property of a key

A "broadband" signal needs two channels to send and receive data.

Which of the following technologies is the best choice to convey urgent and highly sensitive information? telephone fax letter e-mail dispatch radio

When was the airplane invited

Which spreadsheet operation does a look function perform?

The outstanding disk requests are for tracks 6,10,4,20,36,8, and 40 in that order. Assume that the seek time speed is 5 msec/track, there are 50 cylinders total, and presently the read-write head is at track 15 and moving up towards 50.

What must you consider when determining the efficiency of an algorithm? Select two choices. a. The language in which the program is written b. The amount of resources, such as storage, required c. The number of characters used to write the program d.

How to use translate on a website?

When we consider data quality, what are the differences among validity, reliability, and representativeness? How can you know the data have high levels of these characteristics?

You are creating a budget for your new business. What should you include? A. All income and expenses. B. Fixed expenses but not income. C. Income but not variable expenses. D. Fixed and variable expenses but not taxes.

This resume format focuses on the tasks or skills that an applicant can perform is what? A chronological B functional C electronic or D scannable