Topic 1 CS IB

Front

Disadvantage of SaaS

Back

Data security issues from trusting information to others

Front

Advantage of cloud computing

Back

Collaboration

Front

Old system stopped, new system started

Back

Direct

Front

New system running alongside old system

Back

Parallel

Front

New system trialed in a small part of the business

Back

Pilot

Front

New system introduced in phases

Back

Phased

Front

Advantage of new system availability

Back

Direct

Front

Advantage of backup system

Back

Parallel

Front

Engineers test system with real-like data

Back

Alpha Testing

Front

Testing by real users with real data

Back

Beta testing