Explain each of the following types of computer virues i. boot sector ii. trojan
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75MHz carrier with an amplitude of 50volts is modulated by a 3KHz audio signal with an amplitude of 20volts.if load resistance is 5ohms, (a).write the audio signal equation (b).write the carrier signal equation (c).find the modulation index (d).write the Am equation (e).Find the power in ...
Outline three types of information that could flow in downward communication in an organization
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Differentiate between a field and record as used in database programs
differentiate between hacking and phishing Β Β
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Explain the importance of eachΒ theΒ following spreadsheet features i. freeze pane, ii. filter
Explain each of the following terms as used in internet i. download ii. surf Β Β
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Define each of the following terms as used in spreadsheet charts i. data marker, ii. data series
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Explain the following terms as used in communication process i. encoding ii. decoding Β
