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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.
Define a Gate Fix ASIC-based design in short. Gate Fix ASIC-based design: A Gate Fix implies that a select number of gates and their interconnections may be subtracted or ad
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Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
How do you save data in BDC tables? The data in BDC tables is saved by using the field name 'BDC_OKCODE' and field value of '/11'.
What is the type of Process Identifiers? Identification of the real user Identification of the effective user Identification of the real group Identification
Q. For function F(X, Y, Z) = ∑(1, 2, 3, 5, 6) using TRUTH TABLE only 1. Find POS expression 2. Simplify POS expression 3. Implement this simplified expression using t
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Question: a) What is the main difference between the Princeton and Harvard microprocessor architectures? b) State five main differences between CISC and RISC architectures?
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