Tags / 4 quotes from 3 sources
#interface
Productivity And Screen Size
Operations vs. tasks
Apple's study focused at the wrong level of work. Pasting spreadsheet cells is not a user task, it's an operation at a low interaction level. More meaningful productivity has to be measured at a higher level, where users string together a sequence of operations to achieve their…
The Ego Trick (baggini, Julian)
Dennett: the self as user illusion
The philosopher Daniel Dennett takes a similar line, calling the perception of a unitary controlling mind a ‘veridical illusion’. ‘It’s an illusion in the same way the desktop on your computer is an illusion,’ he told me. ‘There aren’t any little yellow files on your hard disc…
Towards An Ontology Of Software: A Requirements Engineering Perspective
How programs act on the external environment
In conclusion, while in the previous section we focused on the immediate function of programs as technical artefacts –producing some effects inside a computer– here the Jackson and Zave’s model allows us to understand how programs play their ultimate function, which is…
Machine, environment and their interface
In our understanding, the two ovals represent the possible phenomena involving the environment (to the left) and a programmable plat- form connected to the environment, called the machine (to the right). The intersection represents phenomena at the interface between the machine…