Question

an array P[20][50] is stored in the memory along the column with the each of the element occupying 4 bytes, find out the memory location for the element P[15][10], if P[0][0] is stored at the location 5,200.​

Answer 1

Answer:

ok

Explanation:

please first make a brainlist

Answer 2

The memory location for the element P[15][10] is 6060.

Here,

Let the number of Rows, R = 20

Let the number of Columns, C = 50

The Element size, W is given to be = 4 bytes

We Know to get an array can be represented as:

P[I][J] = P[15][10]

where I = 15, J = 10

The address of P[0][0] is given to be = 5,200, which is also the base address of the array since here I = 0 and J = 0.

We know that the formula for calculating the address of an element of an array is written as:

P[I][J] = B + W[(I - LR ) + R(J - LC )]  

Here, I and J are the rows and columns of the element and LR and LC are the rows and columns of the base element of the array.

Hence, the address of the element P[15][10] is:

P[15][10] = 5200 + 4[(15 – 0) + 20(10 – 0)]  

= 5200 + 4[15 + 200]

= 5200 + 4 × 215

= 5200 + 860

= 6060

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