Describe the term Context Switch
Describe the term Context Switch.
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Switching the CPU to other process needs saving the state of the old process and loading the saved state for a few process. This task is termed as a context switches. Context-switch time is pure overhead, since the system does no useful work when switching. Speed of this varies from machine to machine, depending upon the memory speed and the number of registers that must be copied, existed of special instructions (like a single instruction to load or store each register).
Garbage collector: It is a daemon thread which recycles objects to which there are no extant references in a program.
Little-endian: It is a common difference among machines is the order in which they store up the individual bytes of multi-byte numerical data. The little-endian machine stores the lower-order bytes prior to the higher-order bytes.
Explain the distributed systems.
Discrete simulation: In a discrete simulation, the time passes at an irregular rate which is determined by the primary events of interest in simulation.
State the term XPath?
Explain what is meant by the term u-area (user area)?
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK, both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:“FAIL”, “RC” ( resit coursework), “RE” (r
Give details about the different services that are provided by DLR to CLR?
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