The average amount of time between hardware failures, calculated as the total amount of operation time for a specified number of units divided by the total number of failures, is known as .

The answer is "MTBF"

Explanation:

The MTBF stands for mean time between failures, it is also known as an expected time in both manual or computer malfunctions when the system is running normally.  

a variable of array type holds a reference of object

array are commonly used in computer program to organize data so that a related set of values

array are using zero base indexing it start with 0.

all component of array have same type, two different types doesn't use in single array

if array are store 10 quantities its index value varies from 0 to 9.

it stores 1st quantity value in index value 0 and this process will same till index value 9.

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