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Q. Explain functions of direct memory access?
Though CPU intervention in DMA is minimised however it should use path between interfaces that is system bus. So DMA involves an extra interface on system bus. A scheme known as cycle stealing permits DMA interface to transfer one data word at a time, after that it should return control of bus to processor. Processor merely delays its operation for one memory cycle to permit directly memory I/O transfer to 'steal' one memory cycle. When an I/O is requested processor issues a command to DMA interface by transmitting to DMA interface the subsequent information (Figure below):
Figure: DMA block diagram
What is store program control (SPC)? Within stored program control systems, a program or set of instructions for the computer that is stored in its memory and the instructions
third partial product of 13*11 in binary
Make a console application with a class 'Account' having variables as id(int) and name (String).Add property 'account-no' which can be set andget. Add a 'ReadOnly' property 'IntRat
How to declare array in c
The VLSI technology is still developing. More and more powerful microprocessors and more storage space now are being put in single chip. One question that we have still not conside
A grammar for a programming language is a formal description of ? Structure is a formal description for a programming language.
Write short notes on the Multihomed host. A host computer that connects to multiple networks is termed as multi-homed host. Multihoming is occasionally used to raise reliabilit
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State The Benefits of Encapsulation To hide the details of a class, you can declare that data or implementation in the private part of class so that other class clients will n
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