ISRO 2023 Quiz 38

Suppose we have two matrices, A and B, having rank 2 and 3, respectively. What is the rank of matrix AB?

The principle of locality is used in

Using a larger block size in a fixed block size file system leads to

Which SQL command used to avoid the selection of duplicate rows?

If the positive integer N  is a perfect square, which of the following must be true?

I. The number of distinct factors of N is odd.

II. The number of distinct prime factors of N is even.