Topic 1 CS IB

Which of the following is a disadvantage of Software-as-a-Service (SaaS)?

• no cost in employing personnel to maintain system

• maintenance and updating managed by software manufacturer

• data security issues resulting from trusting your information to someone else

• software manufacturer can provide help in cases of malfunction

Which of the following is an advantage of cloud computing?

• collaboration

• service outages

• storage limits

• limited features

Which TWO of the following is a disadvantage of local computing?

• security

• feature control

• cost of hardware

• lack of collaboration

The old system is stopped and the new system is started

• direct

• parallel

• pilot

• phased

The new system is started but the old system is kept running alongside; data is input into both systems

• direct

• parallel

• pilot

• phased

The new system is trialled in a small part of the business; once it is running correctly then the new system is implemented across the organization.

• direct

• parallel

• pilot

• phased

The new system is introduced in phases as parts of the old system are gradually replaced with the new system

• direct

• parallel

• pilot

• phased

The new system being available immediately is an advantage of

• direct

• parallel

• pilot

• phased

If the new system fails, the old system runs as a backup is an advantage of

• direct

• parallel

• pilot

• phased

Involves the engineers who develop the system, testing it with data similar to real data

• alpha testing

• beta testing