HydroExplorer-6 is an autonomous deep-sea research vehicle deployed to monitor physical and chemical conditions in ocean trenches. The vehicle uses an onboard controller connected to multiple oceanographic sensors and mechanical systems. The following data is stored in the system:

Data stored	Variable identifier	Example data
The mission operator's registration code	OperatorRef	OP_882_X
The alphanumeric ocean sector locator	SectorLocator	PAC-4B
Whether the pressure vessel seal is currently secure	SealSecure	True
The measured depth of the rover in kilometres	DepthKm	8.425
The total number of high-resolution photos captured today	PhotoCount	147
A single-character priority code for physical samples	SamplePriority	H

Data stored	Variable identifier	Example data
The mission operator's registration code	OperatorRef	OP_882_X
The alphanumeric ocean sector locator	SectorLocator	PAC-4B
Whether the pressure vessel seal is currently secure	SealSecure	True
The measured depth of the rover in kilometres	DepthKm	8.425
The total number of high-resolution photos captured today	PhotoCount	147
A single-character priority code for physical samples	SamplePriority	H

Data types

Question 16

Markscheme

Data types

Question 16

Markscheme

Variable	Boolean	Char	String	Integer	Real
SectorLocator
SealSecure
DepthKm
PhotoCount

Variable	Boolean	Char	String	Integer	Real
SectorLocator
SealSecure
DepthKm
PhotoCount

Data types

Question 16

Data types Questions

Data types

Question 16

Data types Questions