5x6 matrix with 9 non-zero entries

5x6 matrix with 10 non-zero entries

Efficient in accessing an entry

Efficient if the sparse matrix is a band matrix

1

2

4

None of these

an identifier

an array

an array argument

All of these

All The elements of the array should be of the same data type and storage class

The number of subscripts determines the dimension of the array

The array elements need not be of the same storage class

In an array definition. the subscript can be any expression yielding a non-zero integer value

automatic

external

static

either automatic or external depending on the place of occurrence