If one track of data can be transferred per revolution, then what is the data transfer rate?

1. A2,850 KBytes/second
2. B4,500 KBytes/second
3. C5,700 KBytes/second
4. D2,250 KBytes/second Directions (96-100) Read the following passage and answer the given questions. Consider the following table structures related to a university for the below Questions- EMPLOYEE PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFRENCES EMPLOYEE (EID). FOREIGN KEY (DEPTNO) REFRENCES DEPARTMENT (DID); DEPARTMENT PRIMARY KEY (DID), UNIQUE (DNAME), FOREIGN KEY (HODID) REFERENCES EMPLOYEE (EID); PROJECT WORK PRIMARY KEY (EMPID, PROJNO), FOREIGN KEY (EMPID) REFERENCES EMPLOYEE (EID),

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Correct answer: D. 2,250 KBytes/second Directions (96-100) Read the following passage and answer the given questions. Consider the following table structures related to a university for the below Questions- EMPLOYEE PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFRENCES EMPLOYEE (EID). FOREIGN KEY (DEPTNO) REFRENCES DEPARTMENT (DID); DEPARTMENT PRIMARY KEY (DID), UNIQUE (DNAME), FOREIGN KEY (HODID) REFERENCES EMPLOYEE (EID); PROJECT WORK PRIMARY KEY (EMPID, PROJNO), FOREIGN KEY (EMPID) REFERENCES EMPLOYEE (EID),

Explanation

One track (25 K) per revolution × 90 revolutions per second = 2250 KB per second.