Перевод технического текста

Suppose you sit down with pencil and paper and center your attention on

adding figures. You add first all the digits in the right-hand column, then all the

digits in the next column, and so on – until you finally arrive at the answer1. When

you do this, you are computing.

When you stop at a street corner, looking first to the left for any coming car,

then to the right, to cross the street or to wait on шthe sidewalk2 – you are computing.

When you are walking along a poorly marked path3 in the woods, thinking if

you are really on the path or have lost it4 – you are computing.

When you are taking in information or data, performing reasonable operations

(mathematical or logical) on the data, and are producing one or more answers –

you are computing