Describe the orthogonal frequency division multiplexing (OFDM) wireless broadcasting method.
What will be an ideal response?
The orthogonal frequency division multiplexing (OFDM) method combines the multiple frequencies of DSSS with the frequency-hopping capability of FHSS.
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A process may set a write lock on a file region
A. if there are read locks on the region B. only when there are no read or write locks on the region
Take a picture of something in the physical world that provides a helpful cue to help people make a choice, and be prepared to present it to the class.
What will be an ideal response?
Which of the following is a small, flat, rectangular pointing device that is sensitive to pressure and motion?
A. trackball B. touchpad C. optical mouse D. stylus
The Graph Type dialog box does not offer an option to add the number or value that each column, bar, or marker represents.
Answer the following statement true (T) or false (F)