g11- Planning and Installing Systems Quiz

What are the four alternatives that could ease the process of implementing/installing a new system?

• Direct changeover

• Parallel running

• Pilot running

• Phased conversion

What is the advantage of direct changeover?

• Minimal time and effort, new system is available immediately

• If the new system fails, the old systems runs a backup

• All features are fully trialled

• Allows people to get used to the new system

What is a disadvantage of parallel running?

• Running two systems is costly in terms of time and money

• If the new system fails, there is no fall back

• Only a small part of the organisation suffers

• Training of staff can be done in stages

What is the method of pilot running?

• The new system is stopped and new system is started

• The new system is started, but the old system is kept running alongside it

• The new system is piloted with a small subset of the organisation

• The new system is introduced in phases

What is a disadvantage of phased conversion?

• If the new system fails, there is no fall back for that part of the system

• Running two systems is costly in terms of time and money

• Only part of the data will be at the destination

• The rules that are set up by programmers can be different

What can cause problems in data migration?

• Incompatible file formats

• Incomplete data transfers

• Validation rules

• All of the above

What is the importance of testing in a computerized system?

• It ensures that the system works as expected

• It reduces productivity

• It increases end user dissatisfaction

• It is not important

What is the difference between alpha and beta testing?

• Alpha testing is performed by internal employees, beta testing by clients

• Alpha testing is performed at client location, beta testing at developer's site

• Alpha testing is less important than beta testing

• There is no difference

What does black-box testing treat software as?

• A black-box without knowing its internals

• A white-box with full knowledge of its internals

• A system that is not tested

• An outdated software