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Discuss DMA definition.
Direct memory access (DMA) is a process wherein an external device takes over the control of system bus by the CPU. Direct memory access is for high-speed data transfer by mass storage peripherals, for illustration magnetic tape, hard disk drive, CD-ROM and sometimes video controllers. For instance, a hard disk may boast a transfer rate of 5 M bytes per second, which is 1 byte transmission every 200 ns. To make that data transfer with the CPU is both undesirable and unessential.
The direction of the magnetic field lines is given by 'Maxwell's Right-Hand corkscrew rule' The thumb of the right hand indicates the direction of current flow in the wire and
You are the new chief PCB designer for a small company who are about to become heavily involved in the design and realisation of digital timing products. Your management wants to p
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Explain properties and application of Copper. Properties 1) Cooper is reddish brown in color. 2) Cooper is malleable and ductile and can be forged, cast, rolled, mach
Improving Joints and Connections - Energy Loss Improper joints are a source of energy loss in both overhead and underground systems. The conductivity of joint should not be le
Q MCM is the abbreviation for 1 kcmil. problem for a de?nition of cmil.) Data for commercial-base aluminum electrical conductors list a 60-Hz resistance of 0.0880 /km at 75°C for
Ferroelectric materials are characterised by (A) Very high degree of polarisation. (B) A sharp dependence of polarisation on temperature. (C) Non-linear dependence o
The Series Resistance rule
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Q. What is the significance of source gate cutoff voltage? The source gate cutoff voltage is also called pinch off voltage. It is obtained when VDS increases and approaches a l
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