U3 Revision

What is the most appropriate data type for this data? Vegetables: { "potato", "carrot", "yam" }

• integer

• string

• record

• array

What is the result of the operation 8 // 3?

• 2.667

• 2

• 3

• 0.375

What is the result of the operation 8 ** 2?

• 4

• 16

• 32

• 64

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 below. 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