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What is the memory address of some element if the base address is x and each element of the array takes e memory locations?
Wiki User
∙ 14y ago
The memory address of some element if the base address is x, each element of the array takes e memory locations, and the index based zero of the element is i, is x + ie.
Wiki User
∙ 14y ago
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How are elements of an array stored in memory?
Computer memory is linear so a one dimensional array can be mapped on to the memory cells in rather straight forward manner.To find the actual address of an element one needs to subtract one from the position of the desired entry and then add the result to the address of the the first cell in the sequence.Having said that therefore it is necessary to know the starting address of the space allocated to the array and the size of the each element, which is same for all the elements of an array.The the location of the Ith element would be B+I*S where B is the base address(Starting address of the array) and S is the size of each element of the array.
Which formula you will use to calculate The memory address of fifth element of an array?
a
Write a program to find out the address of an element in an array?
== Java does not allow reference to memory locations. == In C: for (i=0; i<n; ++i) printf ("a[%d] is at %p\n", i, &a[i]);
How to display the content of memory address stored in an element of an array?
void *array[2]; printf ("array[%d]=%p\n", i, array[i]);
What is offset address?
An offset address is a relative address rather than an absolute address. You use offsets to refer to memory relative to an absolute address. For instance, array indices are implemented using offsets from the start address of the array, such that element 0 is at offset 0 and element 5 is at offset 5.
Why does array index begins with 0 not with 1?
It is because array name implies its address and if you want to access first element of it pointer address logic is as below: Arrays first element address = array base address + 0 Arrays second element address = array base address + 1
How are three-dimensional arrays represented in memory Explain how address of an element is calculated in three dimensional array?
3-D arrays can be represented as a single dimension of tables. Each table has rows and columns. Each table may also refered as Page. Let a[x][y][z] is an element of a three dimensional array 'a' at the xth Page, Within that page yth row and zth column. In memory it will be stored as sequence of memory locations. Suppose array index starts from 0,0,0. If the first element of the array is stored in location M, The address of the a[i][j][k] = (i-1)U2U3 + (j-1)U3 + (k-1), Where U2 and U3 are the dimention of a table.
What are array of string pointers?
An array of pointers to string would contain, per array position, a number dictating which memory address holds the string data. For example, position [0] in an array would contain a memory address. This memory address can be de-referenced to obtain the actual information held within that memory address.
How will you find the location of an element of an array?
Basically, &array[i]; That is, the memory location for an array object with index i. Or, you can do: (array + i);
Which formula you will to calculate The memory address of fifth element of an array?
Awais khanLOC(LA[K]) =base(LA)+w(k-lowerbound)
How linear arrays represented in memory?
To implement array data structure, memory bytes must be reserved and the accessing functions must be coded. In case of linear arrays, the declaration statements tell how many cells are needed to store the array. The following characteristics of the array are used to calculate the number of cells needed and to find the location or address of any element of the array.1. The upper bound (UB) of the index range.2. The lower bound (LB) of the index range. In C/C++, LB is zero.3. The location in memory of the first byte in the array, called base address of the array (Base)4. The number of memory bytes needed for each cell containing one data element in the array (size, denoted by W)By cell we mean a unit of memory bytes that will be assigned to hold a value of respective data element.During the compilation of the program, the information about characteristics of the array is stored in a table called DOPE VECTOR. When compiler comes across references to an array element, it uses this information that will calculate the element's location in memory at runtime.
What is Arrays of Pointers?
An array of pointers is a contiguous block of memory that contains pointers to other memory locations. They essentially allow non-contiguous memory locations to be treated as if they were an actual array.
