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A maritime logistics firm uses a standardized registration format called the Global Freight Tracking Reference (GFTR) to track international cargo containers.

GFTR Code Format

  • The code begins with a single-letter hazard level indicator: 'H' (Hazardous), 'S' (Standard), or 'E' (Exempt).
  • The next field is a three-digit carrier company identifier (e.g., '402' or '109').
  • The next field is a five-letter port-of-entry code.
  • The next field is a four-digit terminal bay number.
  • The final field is a two-character security clearance level.

Valid GFTR codes:

  • H-402-ROTTR-1082-S1
  • S-109-SINGP-0922-A2
  • E-881-LONDO-2144-B5

State one validation test that could be used to verify the port-of-entry code in the GFTR.

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Input/output Questions

Practise Edexcel GCSE Computer Science Input/output with exam-style questions for GCSE Computer Science. 29 questions covering Accepting and responding to user input, Reading and writing CSV text files, Implementing validation, and Implementing authentication, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Input/output Questions

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