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Write explanatory notes on Hard disk drive controller.
Hard disk drive controller: It converts instructions from software running upon the computer to the electrical signals needed to operate the hard disk. The function of a disk controller is track and sector selection, disk drive selection and head loading, parallel to serial conversion and to parallel of data and error checking. The data recorded in a magnetic disk is the combination of data and clock. Thus, data read should be separated from the clock information. The data processed through a CPU or stored in the main memory is into the byte form. The bytes to be recorded upon a magnetic disk should be converted in serial format.
Q. If a single phase motor fails to run or start slow what action to be taken. Ans: If it is not starting check the supply and test the winding if it found normal check
Sketch the Fermi-Dirac distribution function, F(E), alongside the energy band diagram for an n-type semiconductor, indicating the position of the Fermi level, EF, and the donor lev
Discuss the properties and uses of ALNICO. Alnico : It is an alloy of iron, nickel, cobalt and small amount of copper and aluminium. Properties are - 1. Its saturation f
Managing Change: 1 The prominent actors included in the change procedure in an organisation are Change Makers, Change Agents, Change Leaders and they play a strategic role in
Merits: 1. It is very simple to shift the operating point anywhere in the active region by just changing the base resistor (R B ). 2. A very small number of compon
Q. Athree-phase, 60-Hz substation bus supplies two wye-connected loads that are connected in parallel through a three-phase feeder that has a per phase impedance of 0.5 + j2 . Loa
The resistance of 1.5 km of wire of cross-sectional area 0.17 mm 2 is 150Ω. Determine the resistivity of the wire.
MODULE 2 EXERCISE: OP-AMP CONFIGURATION
what is working of dc machines?
Balanced Score Card and Key Performance Indicators Every successful organization measures its performance across the subsequent parameters, for dissemination to all stakeholde
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