Home > LEO Computers > Lyons Electronic Office (LEO) Archive > CMLEO/DC - David Caminer Papers > Working Files > Programming > 74434 File of Check Routines
 

74434 File of Check Routines

 Home > LEO Computers > Lyons Electronic Office (LEO) Archive > CMLEO/DC - David Caminer Papers > Working Files > Programming > 74434 File of Check Routines
 

A file of drafts and diagrams on checks to programmes. The file is comprised of:

  1. A diagram titled ' Contents of a delay line'
  2. A draft titled 'Checks on Programmes'
  3. A draft on methods of checking programmes, dated 16 August 1951
  4. Handwritten notes on the two types of checking routines
  5. A memo from Mr Caminer to Mr Simmons relating to recommendations for checking routines, dated 30 August 1949
  6. A systems research report titled 'Checking Programme to Print Contents of Store'
  7. Two hand-drawn diagrams
  8. A note titled 'Cambridge 'Post-Mortem' Check Routines', dated 9 March 1951
  9. Handwritten table of codes
  10. Handwritten table titled 'Resultant Contents'
  11. A file of notes titled 'Checking Subroutine', dated 1 March 1950
  12. A diagram of programming orders
  13. Appendix titled 'Numerical Equivalents of Action Letters'

Date : 30th August 1949 to 12th October 1951

Physical Description : 1 file, 13 items, paper; typescript and manuscript

Provenance :
From David Caminer's papers.



Archive References : CMLEO/DC/WF/PRG/74434/1-13 , DTC/9/1

Related Topics:
This exhibit has a reference ID of CH74434. Please quote this reference ID in any communication with the Centre for Computing History. 		 

Scan of Document: 74434 File of Check Routines

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