Answer:
Viruses
Explanation:
virusues are designed to infect and cause damage to operating system files, computer registry, and other locations on the motherboard
<span>B.network security means all personal information is kept safe the network is not compromised and only authorized users had access
Im pretty sure they ment has instead of had</span><span />
Answer: b) GNATT chart
Explanation: GNATT is the type of chart that displays the schedule or working in the form of bars in horizontal direction .The chart displays the duties /task performed on the vertical axis and the time periods on horizontal axis week-vise. This chart is usually used for project management purpose fr coordination, tracing, planning etc.
Other options are incorrect because project staffing chart is for the display of the staff activities involved during project, histogram is graph representation using bars of different heights and entity diagram displays the entities relation in databases..Thus , the correct option is option(b).