kevgarnon kevgarnon

14-11-2014
Computers and Technology

contestada

How many bits must be "flipped" (i.e., changed from 0 to 1 or from 1 to 0) in order to capitalize a lowercase that’s represented in ASCII?

Respuesta :

14-11-2014

1 bit must be flipped because:

A=01000001
a=01100001

So to go from a to A you have to change the 3rd bit from 1 to a 0.

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14-11-2014

Only one ... the third bit of the byte, numerical 32. Every lower-case letter
has a '1' in that place. If that bit is changed to '0', then the code represents
the upper-case form of the same letter.

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