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Q. What is Access latency and Rotation Speed?
Access latency: A disk access basically moves the arm to selected cylinder and waits for rotational latency that may take less than 36ms. Latency depends upon rotation speed of disk that may be anywhere from 300 RPM to 7200 RPM. An average latency of a disk system is equal to half the time taken by disk to rotate once. Therefore average latency of a disk system whose rotation speed is 7200 RPM will be 0.5 / 7200 minutes = 4.1 ms
Rotation Speed: This signifies the speed of rotation of disk. Generally hard disks rotate at 7200 RPM (Revolution per Minute). To raise data transfer rates, higher rotation speeds or multiple R/W heads organised in parallel or disk arrays are needed.
What is Race condition? Race condition: The circumstances where several processes access - and manipulate shared data-concurrently. The last value of the shared data depends
What is the function of a data element? A data element defines the role played by a domain in a technical context. A data element having of semantic information.
Question : a) Describe the following modes of wave propagation: - Line of sight - Ground waves - Skywaves b) Why can waves with a very low frequency be used for submar
Explain about the Logical Devices Locator, to indicate a position and/or orientation Pick, to select a displayed entity To input a single value in the space of re
Q. What is Switched Mode Power Supply? SMPS is the unit into which electric supply from the mains is connected to your PC and this supplies DC to internal circuits. It is more
what is waterfall model
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In binary representation there are some states that are believed to be never occurred because of some particular functionality of a given circuit. If zero output is assigned to suc
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