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Define DMA controller.
The I/O device interface control circuit that is used for direct memory access is called as DMA controller.
Q. Programmed input - output technique for computers? Programmed input/output is a useful I/O technique for computers where hardware costs need to be minimised. Input or output
How many two-input AND and OR gates are required to realize Y=CD+EF+G ? Ans. Y=CD+EF+G No. of two i/p AND gates=2 No. of two i/p OR gates = 2 One OR gate to OR CD and EF
Take the last two digits of your UTCID. This is your duty cycle in percent. If your duty cycle is less than 10%, add 30 to your number. Create an assembly program that runs on t
What is divide overflow? The division operation might result in a quotient with an overflow. Overflow happens when the length of the registers is finite and will not hold a nu
Q. Describe about Sole Access Protocol? The atomic operations that have conflicts are handled with the help of sole access protocol. The method used for synchronization in this
c programming code for pebble merchant
What is program controlled I/O? In program controlled I/O the processor repeatedly checks a status flag to achieve the needed synchronization among the processor and an input a
Q. Why we use Modem? A Modem is one device which most computer users who have surfed Internet are aware of. A modem is neededsincehowever most of telecommunications have becom
Q. Explain the Memory Transfer process? Memory Transfer Transfer of information from memory to outside world which implies I/O Interface is known as a read operation. Tra
1. Figure 1 below shows the truth table for five different functions. Each truth table shows the inputs x1, x2 and the desired output d. (a) Write down which of these functions
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