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Why do we need DMA?
DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
Why is Translation Look-aside Buffers (TLBs) important? The implementation of page-table is completed in the following manner: Page table is maintained in main memory.
Explain LRU Page replacement algorithm. LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time
Why is catch (Exception) almost always a bad idea? Well, if at that point you know that an error has happened, then why not write the proper code to handle that error instead
write a program to find the area under the curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b
Q. Describe Memory and Memory unit? Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jum
What are the two independent mechanisms for controlling interrupt request? At the device end, an interrupt enable bit in a control register verifies whether the device is permi
Show System call for cloning. Standard form of Clone function is as follows: Int clone (Int (*FN) (), void *child stack, Int flag, intargs,); Parameter FN is Pointer fro
Problem: A company requires a software application to calculate the weekly payment for its employees. The information about the employees (employees' data) is kept in a file.
Build U Like are a building company specialising in hard landscaping. They lay patios, build walls, lay drives etc. for their customers. A customer will remain in the system even t
Q. Illustration of disk formatting? An illustration of disk formatting is displayed in Figure below. In this case every track comprises 30 fixed-length sectors of 600 bytes eac
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