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Explain Garbage collection
In this method two passes are made over the memory to identify new areas. In the first pass it traverses all pointers pointing to allocated areas and marks the memory areas which are in use. The second pass finds out all unmarked areas and declares them to be free. The garbage collection overheads are not incremental. They are acquired every time the system runs out of free memory to allocate to new requests. Two major approaches to reuse free memory area in a heap are:
First-fit: Allocate the first hole which is big enough. Searching can start either at the starting of the set of holes or where the previous first-fit search ended. Searching is stopped when a free hole is found that is large enough
Best-fit: Allocate the smallest hole which is big enough; whole list is searched, unless ordered by size. This strategy generates the smallest leftover hole.
Explain all the categories that are served by Common Control switching. Common Control Switching System: It is a functional block diagram of a common control switching system i
Reg data type as Combinational element module reg_combo_example( a, b, y); input a, b; output y; reg y; wire a, b; always @ ( a or b) begin y = a & b; e
The fields specified by select-options and parameters statement cannot be grouped together in the selection screen. No, It can be grouped together in the selection screen
Associative Memory Organisations The associative memory is organised in w words with b bits per word. In w x b array, every bit is known a cell. Each cell is made up of a flip-
what is homogeneous coordinate system
Interleaved memory is a method for compensating the relatively slow speed of DRAM. The CPU can access alternative sections instantly without waiting for memory to be cached. Multip
Q. Define Wait protocol? The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols:
Q. What are intelligent agents? What tasks will they perform? ANSWER: Intelligent agents are software that helps you, or operate on your behalf, in performing repetitive comput
program on multiple queue
Q. Explain about Indirect Addressing? In this technique the operand field of instruction specifies the address of address of intended operand for example if instruction LOAD
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