The Daily Telegraph

Com­puter scape­goats

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sir – The Gov­ern­ment blamed a “com­puter is­sue” for the loss of 15,000 Covid cases (report, Oc­to­ber 5), but there is no such thing. There are “hu­man is­sues” in de­sign, in­put and in­ter­pre­ta­tion of out­put.

As a for­mer com­puter pro­gram­mer and tester, I quickly learnt the value of Gigo – garbage in garbage out. If you are ever told it’s a com­puter prob­lem, it is with­out doubt a hu­man one.

Lee Goodall

Church­down, Glouces­ter­shire

sir – In light of the re­cent test-and­trace blun­der, can any­one tell me the where­abouts of Dido Hard­ing, the chair­man of the Na­tional In­sti­tute for Health Pro­tec­tion, or what she is do­ing?

Richard Bar­nett

Pwll, Car­marthen­shire

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