Question

If the base address of a two dimensional array A[30][40] is 300, then find out the address of an element A[4] [3] the Assume 4 words per memory cell and elements are arranged in row major order.​

Answer 1

Answer:

The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

Weight (in kg)

40 − 45

45 − 50

50 − 55

55 − 60

60 − 65

65 − 70

70 − 75

Number of students

2

3

8

6

6

3

Answer 2

Address of an element A[4] [3] is 956

Explanation:

• Each cell needs 4 words

• A[0][0], A[0] [1] to A[0] [39] needs 4x40 =160 words

• Similarly, from A[0][0] to A[3][39] there are 4x40=160 elements.

• From A[4][0] to A[4][3]there are 4 elements.

• Total 164 elements are present before A[4][3].

Hence A[4][3] will be at 300+ 4x164 = 956