WhyW does turn­ing a de­vice off and on of­teno solve is­sues?

Focus-Science and Technology - - Q&A - HI­LARY GEE, GM

Alex Round

wins ns ( Taschenn,, £44.99)

MANY DE­VICES RUN some kind of com­puter code. The soft­ware of­ten runs in a loop, ex­e­cut­ing com­mands re­peat­edly while the de­vice awaits in­put. For in­stance, your screen con­stantly re­freshes un­til you press a but­ton. Some­times, the code slips into a non-func­tional per­ma­nent loop that only breaks when you re­sett ev­ery­thing by switch­ing the de­vice offff and on.

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