select and operate computing packages - manipulate data between applications Flashcards Preview

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primary instrument of information input that informs your computer on what to do next.

a standard keyboard has nearly 100 keys that send messages to your hard drive the moment you press them



manually operated and in conjunction with commands from the keyboard telling your computer what function you want it to perform

you use your mouse to click on icons, perform commands such as save, edit and delete, and play computer games.

each mouse has either a roller ball or a laser on the bottom that when moved manually, allows you to move the curser on the screen


a joystick "control collum"

input device consisting of a stick that pivots on a base and reports its angle or direction on the device its controlling

principle control device in the cockpit of many civillin and military aircraft, either as a centre stick or side stick.

often has supplemtry switched to control various aspects of the aircrafts flights.

often used to control video games, and usually have one or more push buttons whose state can also be read by the computer.

popular variation of the joystick used on modern video game consoles is the analog stick


game controller

input device used with video games or entertainment systems to provide input to a video game, typically to control an object or character

before the seventh generation of video game consoles pluging in the controller by the console controller points was primary means although they have been replaced with wireless controllers which dont require controller ports on the console but are batter powered.

USB game controllers could also be connected to a computer with a USB port.

input devices that have been classfifed as game controllers include keyboards, mouses, gamepads, joysticks etc.

special purpose devices, such as steering wheels for driving games and light guns for shooting games are game controllers


Graphic tablets

Also known as a digitiser, drawing tablet, drawing pad, digital drawing tablet, pen tablet or digital art-board is a computer input device enabling a user to hand draw images, animations and graphics, with a special pen like stylus similar to the way a person draws images with a pencil and paper


the primer: directionality

every micro- phone picks up sound within a specific spatial range, which is called its directionality for studio pod-casting, cardioid is optimal.


Bidirectional or figure eight

purpose is to capture speakers in an interview



purpose is to record one persons vocals while eliminating other noise



purpose is targeted recording to eliminate on-site noise pollution



purpose to capture on-site detail noises to create environment


Image scanner "scanner"

device that optically scans images, printed text, handwriting or an object and converts it to a digital image