Interfaces

Question 1

External Interface:

Answer 1

distributed to subsystems via flow down, allocation, or derivation

Question 2

Internal Interface:

Answer 2

Created as a part of decomposition

Question 3

Internal or External Interface?

Interface between spacecraft and launch vehicle

Answer 3

External

Question 4

Internal or External Interface?

Interface between radar sensor subsystem and spacecraft command/data handling subsystem

Answer 4

Internal

Question 5

We should explicitly identify the _____ of every interface to avoid confusion.

Answer 5

Owner

Question 6

Describe the N-Squared Diagram:

Answer 6

• used for interface dev
• functions/components are placed on the diagonal of an NxN
• blanks represent that there is no connectivity between two components/functions
• pinpoints problem areas

Question 7

True or False: N-Squared items are only required to have inputs.

Answer 7

False

Inputs, Outputs, Interfaces

Question 8

N-Squared Inputs are contained in the _____ of the matrix.

Answer 8

Columns

Question 9

N-Squared outputs are contained in the _____ of the matrix.

Answer 9

Rows

Question 10

A _____ _____ is where two functions/components have bi-directional information flow.

Answer 10

Feedback Loop

Question 11

We should _____ functions where there is high coupling and feedback loops.

Answer 11

Couple