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Hardware interrupts:
Hardware interrupts-from I/O devices, processor, memory Software interrupts-produced by a program.
Direct Memory Access (DMA)
Interrupt or Polling driven I/O incurs considerable overhead
Transfer high amounts of data at high speed without continuous intervention by the processor
DMA controller keeps track of memory locations, directly transfers to memory (using the bus)
independent of the processor
Special control circuit needed in the I/O device interface which is called a DMA controller
What is Winchester technology? The disk and the read/write heads are placed in a sealed air-filtered enclosure known as Winchester technology.
Explain Shadow Copy Scheme in detail.
ENCTYPE="application/x-www-form-urlencoded" and in its place use ENCTYPE="text/plain". The subsequent illustration displays a general form which includes some of the commo
Asymptotic Notations These notations are used for evaluating functions. Assume we have two functions f(n) and g(n) defined on real numbers, Theta Notation Big Notation
Describe queue? Ans: It is a type of data structure in which the data are stored in and retrieved on a First in first out (FIFO) basis. It grows in the direction of increasin
Subtraction 11001-10110 using 1's complement Ans. 11001 - 10110 01001 is 1' s Compliment of 10110, so 1 1 0 0 1 + 0 1 0 0 1 ------------------ 1 0 0 0 1 0 Add 1
a) In multitasking Operating Systems, there are two types of multitasking such as the "Preemptive Multitasking" and the "Cooperative Multitasking". Describe the two mentioned mult
What are the modes in which any update tasks work? Synchronous and Asynchronous.
Explain the functionality of the quadrant approach in the Spiral Model ?
The idea behind inline functions is to insert the code of a known function at the point where the function is called. If done carefully, this can improve the application's performa
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