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What are overlays?
To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructions and data that are needed at a given time. When other instructions are required, they are loaded into space occupied previously by instructions that are no longer required.
Question : a) Describe the following modes of wave propagation: - Line of sight - Ground waves - Skywaves b) Why can waves with a very low frequency be used for submar
What is the function of CU? The control unit works as the nerve center that coordinates all the computer operations. It issues timing signals that governs the data transfer.
What is MMU? MMU is the Memory Management Unit. It is a special memory control circuit used for executing the mapping of the virtual address space onto the physical memory.
Explain about unix file system architecture
Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro
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What is a privileged instruction? To protect the operating system of a computer from being corrupted by user programs, particular instructions can be executed only whereas the
Q. What is Metropolitan Area Network? Metropolitan Area Network (MAN): It is privately or public owned communication system that naturally covers a complete city. Speed is abo
to find the area under curve
Storage Technology: In the previous section, the, recent innovations relating to the processing aspects of computer technology were discussed briefly. In considering some of t
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