Match the following terms to their meanings:
I. frequency
II. broadband
III. modem
IV. dial-up
V. T1
A. converts high and low voltages to two different tones for transmission via telephone lines
B. type of service using normal voice connections
C. the number of variations of the signal per second
D. sending several signals over the same medium using different frequencies
E. special communication line using 24 channels of data
C, D, A, B, E
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What will be displayed after the following document.write statement is executed?
``` var math = new Array("Algebra 1", "Algebra 2", "Trig", ? "Calculus 1", Calculus 2"); document.write("There are " + math.length + 1 + " math ? courses in the sequence."); ``` a. There are 5 math courses in the sequence. b. There are 4 math courses in the sequence. c. There are 6 math courses in the sequence. d. Nothing will display. This code won't work.
?The primary security threat for mobile devices continues to be ______ of the device.
Fill in the blank(s) with the appropriate word(s).