:
( . to scan - , )
( . trackball, : track ball - )
Ø ( . joystick, ; joy , stick ), ;
Ø (-);
Ø ;
Ø : , ;
Ø : , ( , digitizer ).
, , . 1983 (). (trackball) Logitech. Microsoft Mouse ( ) Mouse System ( ).
8.
, .
, . .
, . , , , . , , , , , , .
- , . . , , . , . , . .
́, ́ ́ (. touchpad: touch , pad ) () , , .
(Scanner) , , , , , . (hand-held) (desktop).
(flatbed), (Sheet-fed) (overhead). - , , .
9.
, . : (1200*2400, 2400*2400 dpi ( )); , (42 48 ); (4); (25) (20).