IB CS Review 1 - 25/26

What is the main goal of system design?

• To develop user interfaces
• To define requirements
• To write code
• To train staff

Answer explanation

System design focuses on defining system structure and requirements.

Which method is used to collect data about how a system is currently used?

• Questionnaires
• User interface design
• Prototyping
• Testing

Answer explanation

Questionnaires help gather user opinions and habits.

Which installation method runs the new system alongside the old one?

• Direct changeover
• Pilot
• Parallel
• Phased

Answer explanation

Parallel runs both systems together to ensure a smooth transition.

What is a disadvantage of the direct changeover method?

• Requires more hardware
• Takes longer
• High risk if failure occurs
• Costly

Answer explanation

Direct changeover is risky because the old system is immediately replaced.

Which type of testing is done by the end users?

• Alpha testing
• Unit testing
• Integration testing
• Beta testing

Answer explanation

Beta testing is conducted by users to give feedback before full release.

Which of the following is NOT a feasibility study factor?

• Technical
• Operational
• Economic
• Statistical

Answer explanation

Statistical is not a standard feasibility criterion.

Which stakeholders are MOST likely to use a system daily?

• Developers
• End users
• Project managers
• Testers

Answer explanation

End users are regular users of the system.

What does SaaS stand for?

• Software and Application Service
• System as a Software
• Software as a Service
• System and Access Software

Answer explanation

SaaS refers to cloud-based software accessible over the internet.

What is the role of a client in a client-server model?

• Provide services
• Request services
• Manage databases
• Run networks

Answer explanation

Clients request services from servers.

Which of the following is a benefit of cloud computing?

• High initial setup cost
• Limited scalability
• Accessibility from anywhere
• Offline operation

Answer explanation

Cloud systems can be accessed from any device with internet.