Answer:
Option B, 1 & 2
Step-by-step explanation:
The complete question is-
The disadvantages of a system when it works in isolation are:
1. It becomes difficult to collect and analyse data needed for the functioning of any department.
2. It results in the loss of profits to the organisation that could have been better spent in decision making.
3. Business executive or decision-maker cannot take good decisions with the isolated data.
a. 1 & 3
b. 1 & 2
c. 2 & 3
d. 1
Solution -
An isolation system also has work control system, training and competence, operating procedures and management. This system can work adequately only when these arrangement work adequately and this not possible without integration with the entire system.
It become difficult to collect isolated data, its assessment and making decision regarding the betterment of system.
Hence, Option B is correct