Step5 Select the Proper Kinds of Windows Lecture8

  • Slides: 10
Download presentation
Step-5 Select the Proper Kinds of Windows Lecture-8 Computer Systems Interface 1

Step-5 Select the Proper Kinds of Windows Lecture-8 Computer Systems Interface 1

Issues addressed n n n n A Window’s characteristics Components Presentation styles Types of

Issues addressed n n n n A Window’s characteristics Components Presentation styles Types of windows Organizing system functions Operations Web system frames & pop-ups Computer Systems Interface 2

Window Characteristics n n n n n Title Size State (accessible/not accessible) Visibility Location

Window Characteristics n n n n n Title Size State (accessible/not accessible) Visibility Location Presentation Management capabilities Highlight function Computer Systems Interface 3

Constraints in Window System Design n Historical considerations - Focus on hardware problems Little

Constraints in Window System Design n Historical considerations - Focus on hardware problems Little research on design & usability No standards n Hardware limitations - - Display size Processing speed, memory size Screen resolution n Human limitations - - Learning & using of more operations (window manipulation) Full screen vs. overlapping windows Computer Systems Interface 4

Components of a Window n n n n See table on p. 392 (423)

Components of a Window n n n n See table on p. 392 (423) Frame Title bar icon Window sizing buttons What’s this? Button Menu bar Status bar Scroll bars Split box Command area Size grip Work area Computer Systems Interface 5

Window Presentation Styles n Tiled windows Overlapping windows n Cascading windows n Computer Systems

Window Presentation Styles n Tiled windows Overlapping windows n Cascading windows n Computer Systems Interface 6

Picking a presentation style n Tiled windows for: - single-task activities Simultaneous view Little

Picking a presentation style n Tiled windows for: - single-task activities Simultaneous view Little window manipulation Novice or inexperienced user n Overlapping windows for: - - Switching between tasks More window manipulation Expert or experienced users Unpredictable display contents Computer Systems Interface 7

Types of Windows n Primary window - Independent function Frequently used n Secondary window

Types of Windows n Primary window - Independent function Frequently used n Secondary window - - Supplemental actions More complex, related n Dialog boxes - - Brief messages Specific, short actions n See table on p. 402 - Computer Systems Interface 8

Others n n Organization Web browser Computer Systems Interface 9

Others n n Organization Web browser Computer Systems Interface 9

In-class exercise n Team projects Computer Systems Interface 10

In-class exercise n Team projects Computer Systems Interface 10