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Human-Computer Interaction 13
HCI at University of Z├╝rich
10
Computer Science
Undergraduate 1
01/06/2017

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Cards

Term
What is a menu?
Definition
- Visual representaiton of users task
- organized in a sensible way
Term
What kind of menu structures exist?
Definition
- Linear
- Simultaneous
- Hierarchical
Term
prefer breadth or depth?
Definition
prefer breadth (no. of items per level) over depth (no. of levels (no more than 3))
Term
Faster menu selection
Definition
- Change visual layout
- Selection gestures
- Animated visual cue (e.g. make non-selectable stuff transparent)
Term
How do Command interfaces work?
Definition
- User issues textual command and watches what happens
- If result is correct, next command is issued
- Otherwise, some other strategy is adopted
Term
Pros of command interfaces
Definition
- Efficient fo batch processing
- Composition and output redirection possible
- Easy to track history
- Easy to automate
Term
Cons of command interfaces
Definition
- Users must recall commands and syntax
Term
Structure
Definition
- one command, one task
- Follow each command by one or more arguments (adds options to customize)
- Organize command in menu structure
Term
How should command interfaces be designed?
Definition
- Use consistent argument order
- Flexible option order
- Provide help (standard documentation system/syntax (--help), show help on parsing error)
Term
abbreviation strategy
Definition
- simple truncation: use first, second, third letters (manual -> man)
- vovel drop with simple truncation (remove -> rm)
- first and final letter (sort -> ST)
- first letter of each word in a phrase (make directory -> md)
- Standard abbreviations (quantity -> qty)
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