Diploma in electrical module one (Power&Telecom)

Explain each of the following types of computer virues i. boot sector ii. trojan

compare the second and the third generation computers in terms of: i. technology, ii. speed

Explain the term validation rule as used in database programs

Define each of the following terms as used in spreadsheet charts i. data marker, ii. data series

Causes of electrical fire

differentiate between hacking and phishing    

Explain the importance of each  the  following spreadsheet features i. freeze pane, ii. filter

Differentiate between word wrap and text wrap

ABC engineering company bought new computers  for use their offices. they were advised by an ICT consultant to ensure that the computers were connected to a UPS. explain two benefits that would accrue from this advice