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Why does DMA have priority over the CPU when both request a memory transfer?
The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included only at the starting and end of the transfer, when the CPU wishes to read or write a block of data, it issues a command to DMA Channel by sending read/write operation, address of I/O, number of words to be read or written, as DMA have priority over the CPU when both request a memory transfer.
Explain the mechanisms of propagation of radio communication. Radio communication deals along with electronic radiation of electromagnetic energy from one point to other by the
There are two methods for organising the associative memory based on bit slices: Bit parallel organisation: In this organisation every bit slices which are not masked off,
what is jsf
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What are privileged instructions? Some of the machine instructions that might cause harm to a system are designated as privileged instructions. The hardware permits the privil
Fixed Arithmetic pipelines We take the illustration of multiplication of fixed numbers. Two fixed point numerals are added by ALU (Arithmetic and logic unit) using shift and ad
Q. What is Laser Printers? Laser Printers are page printers. For print quality they also face same addressability issues as DMP/InkJet Printers. Though some other methods are p
By now you can write procedures both internal andexternal and pass parameters particularly through stack.Let's us use these concepts to see how assembly language can be interfaced
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b
ALE-> Address latch enable...In the case of microcontroller (8051)& microprocessor 8085 the data line and low order 8 bit address lines are multiplexed. In order to getting address
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