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Under this type of scheme, the base address is the lowest numbered address within a prescribed range, to facilitate adding related positive-valued offsets. In IBM System/360 architecture , the base address is a 24-bit value in a general register (extended in steps to 64 bits in z/Architecture ), and the offset is a 12 bit value in the ...
For example, if the array has five elements, indexed 1 through 5, and the base address B is replaced by B + 30c, then the indices of those same elements will be 31 to 35. If the numbering does not start at 0, the constant B may not be the address of any element.
is the fraction of the total number of electrons associated with each element, and Z n {\displaystyle Z_{n}} is the atomic number of each element. An example is that of water (H 2 O), made up of two hydrogen atoms (Z=1) and one oxygen atom (Z=8), the total number of electrons is 1+1+8 = 10, so the fraction of electrons for the two hydrogens is ...
To illustrate, suppose a is the memory address of the first element of an array, and i is the index of the desired element. To compute the address of the desired element, if the index numbers count from 1, the desired address is computed by this expression: + (), where s is the size of each element. In contrast, if the index numbers count from ...
In computer engineering and low-level programming (such as assembly language), an offset usually denotes the number of address locations added to a base address in order to get to a specific absolute address. In this (original) meaning of offset, only the basic address unit, usually the 8-bit byte, is used to
It counts the number of skeletal elements identified by bone type and taxon, and was first used in zooarchaeology. [1] To calculate the NISP, bones are sorted into taxa (when dealing with a mixed species assemblage) and then into skeletal element types. [2] An alternative estimate to the NISP, often done in concert, is the MNI.
Equivalently, a set B is a basis if its elements are linearly independent and every element of V is a linear combination of elements of B. [1] In other words, a basis is a linearly independent spanning set. A vector space can have several bases; however all the bases have the same number of elements, called the dimension of the vector space.
The base register could contain the start address of an array or vector, and the index could select the particular array element required. The processor may scale the index register to allow for the size of each array element .