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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
If we have multiple filters impleted, what is the order in which these filters get implemented? Ans) 1. Authorization filters 2. Response filters 3. Action filters
3-variable K-maps have 8 squares which arenormally arranged in 4 columns and 2 rows.Columns are labeled with 2 variables. The columns are arranged so that either A or B cha
Q. Why Timing Signal Distributor required? What do you mean by Memory Cycle? How many Memory Cycles required for following instructions: 1. ADD 2. CLEAR and ADD 3. DC
What is "Common Type System" (CTS)? CTS explain all of the basic types that can be used in the .NET Framework and the operations performed on those type. All this time we hav
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what is ardiuno explain its working
What does the c$ command do from command mode using Vi Editor? Ans) C$ will start from the character under the curser till the finish of line. So when you use this command it wi
prepare FTR
What is a pipeline hazard? Any condition that causes the pipeline to stall is known as hazard. They are also known as stalls or bubbles.
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