Which of the following is a performance measure that is used to evaluate the efficiency of an
investment or to compare the efficiency of a number of different investments?
A.
Return On Security Investment
B.
Total Cost of Ownership
C.
Return On Investment
D.
Redundant Array of Inexpensive Disks
Explanation:
Return On Investment (ROI) is a performance measure used to evaluate the efficiency of an
investment or to compare the efficiency of a number of different investments. To calculate ROI, the
benefit (return) of an investment is divided by the cost of the investment; the result
is expressed as a percentage or a ratio.
The return on investment formula:
ROI= (Gain from investment – Cost of investment) / Cost of investment
In the above formula “gains from investment”, refers to the proceeds obtained from selling the
investment of interest.
Answer D is incorrect. RAID is described as a redundant array of inexpensive disks. It is a
technology that allows computer users to achieve high levels of storage reliability from low-cost
and less reliable PC-class disk-drive components, via the technique of arranging the devices into
arrays for redundancy.
an investment.