,
. (Pixels Per Inch),
PPI
,
"" . , (color depth) ,
.
,
.
,
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.
USB 2.0 ( USB 1.1).
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, .
, -
, .
.
1) . ,
"" ,
.
.
2) WIMP - (Window - , Image - , Menu - , Pointer - ).
,
, - ,
, . ,
"", .
: "" WIMP - .
3) SILK - (Speech - , Image - , Language - , Knowlege - ).
, .
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,
.
.
. .
.
. :
- ( -
);
- - (
);
- (
)
.