Assertion: MIS is an important communication tool for manager.

Reasoning: MIS provides the required information to the managers by systematically processing a massive data generated in an organisation.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

The correct answer is: Option 1: Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

Assertion (A): MIS is an important communication tool for manager. This is correct. MIS (Management Information System) is indeed an important communication tool for managers. It facilitates the flow of critical information within an organization, specifically targeted towards managerial decision-making.

Reasoning (R): MIS provides the required information to the managers by systematically processing a massive data generated in an organisation. This is also correct.

MIS systematically processes a vast amount of data generated within an organization and transforms it into meaningful information that managers can use for decision-making. Thus, it logically explains why MIS is considered an important communication tool for managers.

Therefore, both the assertion and reasoning are correct, and the reasoning directly explains why MIS is a significant communication tool for managers.

"Management Information System Management Information System (MIS) is a computer-based information system that provides information and support for effective managerial decision-making. A decision-maker requires up-to-date, accurate and timely information. MIS provides the required information to the managers by systematically processing a massive data generated in an organisation. Thus, MIS is an important communication tool for managers. MIS also serves as an important control technique. It provides data and information to the managers at the right time so that appropriate corrective action may be taken in time."