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More Computer Fundamental Related questions:
Which one of the following statements most accurately applies to the frequency of a waveform?
Options: The actual frequency of a sine waveform is 1.41 times the working frequency, Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz, The higher the amplitude of a waveform, the higher its frequency, The longer the period of a waveform, the lower its frequency
The main difference between synchronous and asynchronous transmission is
Options: the clocking is derived from the data in synchronous transmission, the clocking is mixed with the data in asynchronous transmission, the pulse height is different., the bandwidth required is different
Which one of the following principles best describes the basic operation of an electromagnet?
Options: Current is induced in a conductor that is moving through a magnetic field, Like magnetic poles repel, while unlike poles attract, Current flowing through a conductor generates a magnetic field, Like magnetic poles attract, while unlike poles repel
Options: a. When you use multiplication, division or exponentiation in a formula b. When you use addition and subtraction in a formula c. Because Excel uses hidden decimal places in computation d. When you show the results of formulas with different decimal places than the calculated results