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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.
Q. Graphic symbol of S-R flip-flop? R-S Flip flop - Graphic symbol of S-R flip-flop is displayed in Fig below. It has 3 inputs S (set), R (reset) and C (for clock). Q(t+1) is
The Gantt chart shows the several activities of each processor with respect to progress in time in idle-overhead -busy modes with respect to each processor. Kiviat diagram: Th
Differentiate the latch and flip-flop? The major difference between latch and FF is which latches is level sensitive whereas FF is edge sensitive. They both need the use of clo
Q. Basic working of Semiconductors? Semiconductors are crystalline solid materials whose resistivities have values between those of conductors and insulators. Conductivity rang
Engineering Applications A number of the engineering applications are: 1. Simulations of artificial ecosystems 2. Airflow circulation over aircraft components Airflow
Microprocessor development system Computer systems have undergone many changes recently. Machines that once filled large areas have been reduced to small desktop computer syste
The extra key inserted at the end of the array is called a Sentinel is the extra key inserted at the end of the array
The Throughput graph represents the amount of data in bytes that the Vusers received from the server in a second. When we evaluate this with the transaction response time, we will
Q. Show the Programmes for Parallel Systems? Adding elements of an array using two processor int sum, A[ n] ; //shared variables
Briefly explain the floating point representation with an example? The floating point representation has 3 fields 1.sign bit 2.siginificant bits 3.exponent For exa
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