The correct answer is D. Both (a) and (b).
The primary reason for the increase in information-system careers is the declining cost of hardware. This has made it possible for more businesses to afford to hire information-system specialists. In addition, the demand for information-system specialists is expected to continue to grow in the 1990s as businesses become more reliant on information technology.
An information-system career is one of the few areas that is recession-proof. This is because businesses need information-system specialists even during economic downturns. Information-system specialists are responsible for developing and maintaining the information systems that businesses need to operate. These systems are essential for businesses to keep track of their finances, manage their inventory, and communicate with customers and suppliers.
Option A is true because the declining cost of hardware has made it possible for more businesses to afford to hire information-system specialists. Option B is true because the demand for information-system specialists is expected to continue to grow in the 1990s as businesses become more reliant on information technology. Option C is false because information-system careers are not recession-proof. However, they are one of the few areas that is relatively recession-proof. Option E is false because both (a) and (b) are true.