Disk Technology

question 17

Essay

Disk Technology. Suppose we have a magnetic disk (resembling an IBM Microdrive) with the following parameters:
Answer the following questions. (Note: you may leave any answer as a fraction.)
(a) What is the average time to read a single sector?
(b) What is the average time to read 8 KB in 16 consecutive sectors in the same cylinder?
(c) Now suppose we have an array of 4 of these disks. They are all synchronized such that the arms on all the disks are always on the same sector within the track. The data is striped across the 4 disks so that 4 logically consecutive sectors can be read in parallel. What is the average time to read 32 consecutive KB from the disk array?

Comprehend the factors contributing to gross domestic product (GDP) and its significance in economic analysis.

Understand the relationship between interest rates, consumer spending, and business investment.

Grasp the principles of supply and demand shocks in economics.

Differentiate between leading, lagging, and coincidental economic indicators.

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Definitions:

THINK Technique

A mindfulness strategy often used to encourage thoughtful responses rather than reactive ones, asking if a statement is True, Helpful, Inspiring, Necessary, and Kind before speaking or acting.

Necessary

A requirement or need for a particular purpose or reason.

THINK Technique

A strategy or process designed to help individuals make thoughtful and informed decisions or reactions, emphasizing thoughtful consideration before acting.

Inspiring

Having the effect of motivating or encouraging someone to do something or to feel a certain way.