quiz 2

1. Describe various types of pen input, and identify other types of input for smart phones.

Light Pen – handheld input device that can detect light. This will pick up on existence of light. It's a hand held pen fashioned gadget having a photocell installed in its front-end. Once the front-end on the pen is actually touched on the display screen, the actual photocell registers a position associated with display.

Digitizer – A Digitizer іѕ аlѕο called a graphic tablet аnd uses a pen input device. It’s a flat, rectangle-shaped digital plastic material pad. Eνеrу position tο thе digitizer points tο matching video dіѕрlау. It’s primarily useful fοr producing roadmaps аnd аlѕο engineering blueprints. 

Stylus and Cursor - Stylus pen is actually like a ballpoint pen. It's utilized to compose textual content or make lines (or generate drawings and also pictures) on the exclusively developed graphics display or digitizer. Pen input devices found in several sophisticated graphic devices is called Digital Pen. Generally electronic digital pen supplies much more performance compared to stylus pen.

2. The purpose of various game controllers: gamepads, joysticksand wheels, light guns, dance pads,and motion-sensing game controllers.

Gamepads-control pad on an audio player allows users to scroll through music, adjust volume, and customize settings. A pointing device that controls the movement and actions of players or objects in games

Joystick and wheels- Joystick is vertical lever mounted on a base. It is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. Joysticks are often used to control video games, and usually have one or more push-buttons whose state can also be read by the computer.

Wheel- is a steering-wheel-type input device

Light gun-a pointing device for computers and a control device for arcade and video games.Modern screen-based light guns work by building a sensor into the gun itself, and the on-screen target(s) emit light rather than the gun. The first device of this type, the light pen, was used on the MIT Whirlwind computer.The light gun and its ancestor, the light pen, are now rarely used as pointing devices due largely to the popularity of the mouse and changes in monitor display technology—conventional light guns only work with CRT monitors.