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Explain briefly Common sub expression elimination of the commonly used code optimization techniques.
Common sub expression elimination:
In given expression as "(a+b)-(a+b)/4", in such "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" would not modify, and by itself, only compute its value once and use similar value next time.
What is the main function of the memory-management unit? The runtime mapping from virtual to physical addresses is done by a hardware device known as a memory management unit
What is text editor? It is used for entering and editing application programs. The user of this program interactively implements command that permit statements of a source prog
How do you turn off cookies for one page in your site? Use the Cookie. Abandon Property which Gets or sets the discard flag set by the server. When true, this property instruc
What are the "field" and "chain" Statements? The FIELD and CHAIN flow logic statements let you Program your own checks. FIELD and CHAIN tell the system which fields you are ch
Explain the Feasibility Study This includes writing a report to convince management of the merits of adopting proposed new system. Some features of the study comprise: T
Action implementing instruction's meaning are a actually carried out by ? Ans. By instruction execution, the meaning of action implementing instruction is actually carried out.
Logic manufactures have produced 'large scale' logic (LSI) blocks to achieve complex functions; a typical set of logic functions is that of data storage. There are two main types o
In order to support IA-32, the Itanium can switch into 32-bit mode with special jump escape instructions. The IA-32 instructions have been mapped to the Itanium's functional units.
Q. Signaling PVM process? int pvm_sendsig( int tid, int signum ) Transmits a signal to other PVM process. tid is task identifier of PVM process to receive signal.
Explain Erasable Programmable ROM (EPROM) - Computer Memory? An EPROM is a ROM that can be reprogrammed and erased. A little glass window is installed at the top of the ROM pac
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