Differentiate between a field and record as used in database programs
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Explain each of the following types of computer virues i. boot sector ii. trojan
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 ...
differentiate between hacking and phishing
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Explain the importance of each the following spreadsheet features i. freeze pane, ii. filter
State four barriers to effective communication
Explain the term validation rule as used in database programs
JemshahEnlightened
Explain the following terms as used in communication process i. encoding ii. decoding
Differentiate between word wrap and text wrap
