I thought it was worth while sharing the following with you, it was taken from last years coursework.

Teacher’s notes

Should candidates select a digital camera not capable of the required magnification an additional lens must be purchased and included in the cost of the camera. The magnification capability of the lens may then be used in the comparison of the two digital cameras.

Candidates should be encouraged to list the specification of their hardware/software in the form of a table. Note that a table on its own should not be regarded as a comparison.

Please note that when identifying two suitable external solid state drives, hard disk drives are not suitable.

The data transfer rate of the solid state drive may be taken from the type of interface (eg USB 3.0 or Firewire). Evidence of this must be included.

Marking Scheme

Each hardware/software requirement should be marked as follows:

• Identification – candidates should show evidence that they have correctly identified two items that have matched the requirements. A table is recommended for this purpose.
• Comparison – candidates should discuss the specification of each item in terms of the context of the Biology field trip.
• Recommendation – candidates should identify one item and clearly justify why they have selected that item over the other.

As you can see from the last section the Comparison is of each device to the specification and the Recommendation if of the devices with each other but in the context of the task.