10. Define the following: a. Learning-curve theory b. Indirect cost; c. Cost var

Question

10. Define the following: a. Learning-curve theory b. Indirect cost; c. Cost variance; and d. SPI. 11. Given the info below for a 24 hour (which we assume is a good sample for a long-time monitoring data), calculate the MTBF and MTTR: - Start at 12 AM -Crashed at 6 AM - Recovered at 7:30 AM -Crashed at 9 AM -Recovered at 9:15 AM - Crashed at 9:30 PM -Recovered at 10 PM and continued to work until 12 AM the next day. 12. Given 99% as the reliability of an ATM! (which is the only one in our ATM center): a. What is the total amount of time (in minutes) that it is expected NOT to work in a 30-day month? If the cost of each additional ATM is $5K, at what cost can we increase the reliability of our ATM center to 99.9999%? (Use the serial/parallel configuration.) b.

Explanation / Answer

10a. Learning-curve theory: The learning curve theory is an association between unit production time and the increasing number of units manufactured.

10b. Indirect cost: As the name suggests, these are costs that are not directly responsible to a cost of a material/ goods. These could either be fixed or variable.

10c. Cost Variance: It is the difference between the actual amount of cost and the financially planned amount.

10d. SPI: Serial Peripheral Interphase. It is an interface used for small distance communication, sending information between systems and peripherals.

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