U3 Revision

Maia uses a data structure that contains groupings of strings. This data structure is most likely

• Boolean

• date/time

• an array

• a record

Which of the following is most likely to be a string data type?

• /

• apple

• 62

• &

A program uses a function represented by the pseudocode shown. What is the result of the function being run on the input 3074?

• 1

• 210

• 439

• 21518

Solution requirements contain:

• requirements, constraints and scope.

• detailed design requirements, scope and project plan.

• overview of requirements, project plan, constraints and scope.

• functional and non-functional requirements.

Constraints that exist within a system include

• economic, security and requirements.

• social, economic and technical.

• technical, legal and scope.

• social, legal and scope.

Hari is writing solution requirements for a new system where a primary constraint is social. Which of the following best relates to social constraints?

• The system will be installed on a mobile device which must be purchased.

• High quality videos must be fast to load.

• The system must be built by Christmas.

• Intended users are aged 6-8.

The following data dictionary has been created for a music sharing app. What data type is most suitable for the variable songLength?

• string

• integer

• Boolean

• floating point

What is the purpose of an object description?

• It refers to attributes, methods and events in an object.

• It describes the storage of software elements.

• It allows classes to create new objects.

• It acts as a definition within code.

Karen creates a mock-up of some new software by drawing it on paper. Two elements her mockup should include are

• menus and data descriptions.

• object alignments and positions of controls.

• headers/footers and descriptions of classes and objects.

• colour schemes and positions of out of scope elements.

What result will the following pseudocode produce given the inputs a=3, b=7, c=2?

• allocated to Section 1

• allocated to Section 2

• allocated to Section 3

• allocated to Section 4