identifiy the tasks
collect first all the requiremnets from the user
the devolopers
identify tasks
and
identified tasks must be agreed by the all
devolopers ....final conform
succsfully staratiges involues
long hours of observing & interviewing users
task frequences & sequences , what tasks to
implement ......designers conform
if we implement all this cause the interface
clutter
highlevel tasks
....decompose into middle level tasks............atomic indudival
actions
like
single commnad, menu selection or
other apporopriate manner
task large ->
divide samll , special actions ,
frequent tasks assign
functional keys inser delete
fashion
less frequent actions with single letter + del or ins ...............
3)infrequent
(or) complex actions
sequence
of menu actions or form fill based
ex
printing format in Os ,
revice network protocols
........latest
ex2
mobile user frequent dail, family
,...................
next
choose an interactive style
direct manipulation visual
presentation for the world of actions
Explain about the diagram
Desktop metaphors
Drawing tools
Air traffic control systems ATC’s
games impel
*..........menu selection
Form fill in
Command language
Natural language
..........command language, phrases, sentences as input
Explain the web form with verities of input..............
The eight golden rules for interface design
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