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In computing, a base address is an address serving as a reference point ("base") for other addresses. Related addresses can be accessed using an addressing scheme . Under the relative addressing scheme, to obtain an absolute address , the relevant base address is taken and an offset (aka displacement) is added to it.
As in the one-dimensional case, the element indices may be changed by changing the base address B. Thus, if a two-dimensional array has rows and columns indexed from 1 to 10 and 1 to 20, respectively, then replacing B by B + c 1 − 3 c 2 will cause them to be renumbered from 0 through 9 and 4 through 23, respectively.
In this context an offset is sometimes called a relative address. In IBM System/360 instructions, a 12-bit offset embedded within certain instructions provided a range of between 0 and 4096 bytes. For example, within an unconditional branch instruction (X'47F0Fxxx'), the xxx 12-bit hexadecimal offset provided the byte offset from the base ...
Hash functions calculate the address of the page in which the record is to be stored based on one or more fields in the record hashing functions chosen to ensure that addresses are spread evenly across the address space ‘occupancy’ is generally 40% to 60% of the total file size
In computer science, a lookup table (LUT) is an array that replaces runtime computation with a simpler array indexing operation, in a process termed as direct addressing.The savings in processing time can be significant, because retrieving a value from memory is often faster than carrying out an "expensive" computation or input/output operation. [1]
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In logical block addressing, only one number is used to address data, and each linear base address describes a single block. The LBA scheme replaces earlier schemes which exposed the physical details of the storage device to the software of the operating system. Chief among these was the cylinder-head-sector (CHS) scheme, where blocks were addressed by means
If a tax preparer offers you a tax refund product such as a refund advance loan or anticipation check, experts advise to first read the fine print.
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