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What is Random access memory (RAM)
This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Before a program can be ran it should first be loaded into RAM that allows CPU to access the program. Battery-backed RAMs overcome data loss on switching power off though are outside the scope of these booklets.
(NOTE: For completeness, it's worth mentioning that two types of RAM exist termed as SRAM (static RAM) and DRAM (dynamic RAM) - SRAM doesn't need to be constantly refreshed to retain its memory unlike DRAM. Also consider that computers use cache which is a part of memory made from SRAM. Memory caching works as programs generally access the same data or instructions over and over again. By retaining as much information as possible in SRAM, computer operates more quickly (cache is generally termed level 1, 2 or 3 (termed L1, L2 or L3)).
Is the TCP checksum necessary? Yes, TCP Checksum is essential. TCP layer is liable for error detection, transmission of packets if needed, error control, reassembly of packe
What are prefetch instructions? Prefetch instructions are those instructions which can be inserted into a program either by the programmer or by the compiler.
What is meant by opening a data file A data file is a file that can be read from or written to. Data files are particularly useful when large amounts of data are involved. Each
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Explain the CCITT hierarchical structure of switching using block schematic. Hierarchical network are able of handing heavy traffic where needed, and at similar time use mini
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1. The network shown in figure 2 uses neurons with: (a) Unipolar Binary; (b) Bipolar Binary. Calculate a table of responses to all four possi
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Automatic correlation from web point of sight can be set in recording options and correlation tab. Here we can enable correlation for the whole script and choose either issue onlin
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