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MANUSIA, KOMPUER, dan INTERAKSI (Komputer (positioning, pointing and…

- - - - physical reception of stimulus
      - processing and interpretation of stimulus
  - - - Informasi yang diterima oleh memori sensor akan
        diteruskan ke memori jangka pendek (hanya
        informasi yang menarik )
    - - Memori jangka pendek atau disebut sebagai
        memori kerja menyimpan informasi yang
        dibutuhkan dalam waktu yang singkat /
        sementara pada saat kita sedang melakukan
        suatu pekerjaan.
- - - - Most common text input device
      - Allows rapid entry of text by experienced users
      - • Keypress closes connection, causing a character code to be
        sent
      - Usually connected by cable, but can be wireless
    - - Text can be input into the computer, using a pen and a
        digesting tablet
  - - - small touch sensitive tablets
      - ‘stroke’ to move mouse pointer
      - used mainly in laptop computers
    - - small pen-like pointer to draw directly on screen
      - may use touch sensitive surface or magnetic detection
      - used in PDA, tablets PCs and drawing tables
    - - mechanical
        
        Ball on underside of mouse turns as mouse is moved
        
        otates orthogonal potentiometers
        
        Can be used on almost any flat surface
      - optical
        
        light emitting diode on underside of mouse
        
        may use special grid-like pad or just on desk
        
        less susceptible to dust and dirt
        
        detects fluctuating alterations in reflected light intensity to calculate
        relative motion in (x, z) plane
  - - - image made from small dots
      - critical features
        
        resolution
        
        speed
      - fonts
        
        lowercase
        
        uppercase
        
        serif fonts
    - - Take paper and convert it into a bitmap
      - Typical resolutions from 600–2400 dpi
  - - - RAM
    - - disks
    - - ASCII - 7-bit binary code for to each letter and character
      - UTF-8 - 8-bit encoding of 16 bit character set
      - RTF (rich text format)
        
        text plus formatting and layout information
      - SGML (standardized generalised markup language)
      - XML (extended markup language)
        
        simpler version of SGML for web applications
    - - images
      - audio/video
  - - - small picture or image
      - represents some object in the interface
    - - Menu Bar at top of screen (normally), menu drags down
      - Contextual menu appears where you are
    - - individual and isolated regions within a
        display that can be selected to invoke an
        action