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Q. Explain working of Direct Memory Access?
In both programmed I/O and interrupt-driven processor is busy with executing input/output instructions and I/O transfer rate is limited by speed with which processor can test and service a device. What about a scheme that needs minimal intervention of CPU for input/output? These two types of shortcomings can be overcome with a more efficient technique called as DMA that behaves as if it has taken over control from processor. C Consequently the question is: why do we employ DMA interface? It is employed primarily when a large amount of data is to be transferred from I/O device to Memory.
Examples of declarations of external variables that are not definitions: extern char stack[10]; extern int stkptr; These declarations tell the compiler that the variab
DOS is not a RTOS (real time Operating system), though MS DOS can be used with certain APIs to attain the RTOS functionality. For example, the RT Kernel (Real Time Kernel) which ca
Q. Show the Transmission Control Protocol? Transmission Control Protocol (TCP) TCP makes Internet reliable. TCP solves many problems which can occur in a packet switching
What are the Barcode readers These collect data from printed barcodes and allow automatic stock control in, for illustration, supermarkets.
Avoiding Overfitting : However remember there that in the previous lecture, there is over fitting that common problem in machine learning. Furthermore details to decision tree
Explain the meaning of LISTEN socket primitive The listen Primitive: After identifying a protocol port a server should instruct the operating system to place a socket
How can i made Carnot engine
How to select valid lines for secondary list? To stop the user from selecting invalid lines, ABAP/4 offers various possibilities. At the end of the processing block END-OF-SEL
Define macros. A macro is a pre-processor directive which is a program that processes the source code before it passes by the compiler. These are placed in the source program
Addressability: Location-addressable Each alone accessible unit of information in storage is chosen with its numerical memory address. In the modern computers, location-a
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