comp. 5 review
Terms
undefined, object
copy deck
- pointing stick
- device positioned on the keyboard that you push to move the pointer
- voice verification system
- compares live speech with a stored voice pattern
- toggle keys
- switch between two states when pressed
- user response
- replies a question displayed by a program
- bar code reader/bar code scanner
- optical reader that uses laser beams to read a bar code
- gamepad
- controls the movements and actions of players or objects in video games or computer games
- mouse
- pointing device that fits under the palm of your hand
- laser mouse
- uses a laser to detect movement
- RFID
- uses radio signals to communicate with an embedded tag
- trackball
- stationary pointing device with a ball that you rotate to move the pointer
- pointing device
- input device that allows users to control a small graphic symbol
- text messaging
- sending typed messages from the smart phone
- Optical character recognition
- reads characters from ordinary documents
- dance pad
- an electronic device, divided into panels, that users press with their feet
- Video conference
- meeting between two or more geographically separated people who use the Internet to transmit audio and video data
- retinal scanners
- scan patterns of blood vessels in the back of the retina
- dumb terminal
- has no processing power and relies of a host computer for processing
- Voice/speech recognition
- computer's ability of distinguishing spoken words
- speaker-dependent software
- makes a profile of your choice
- Motion-sensing game controllers
- guide on screen elements by moving a handheld input device through the air
- instructions
- can be in the form of programs, commands, and user responses
- optical mouse
- uses devices that emit and sense light ro detect the mouse's movements
- signature verification system
- recognizes the shape of a signature
- touchpad
- flat, pressure sensitve device that you slide your finger accross to move the pointer
- bar code
- identification code
- digital camera
- allows users to take pictures and store the photographed images digitally
- web cam/ PC video camera
- digital video camera that enables users to capture video and still images and then send or broadcast the images over the Internet
- insertion point
- blinking vertical bar
- scanner/optical scanner
- light-sensing input device that reads printed text and graphics and translates the results into a form a computer can process
- charge-coupled device
- generates an analog signal that represents the image
- mechanical mouse
- translates the movement of a ball on its underside into signals the computer can process
- face recognition system
- captures a live face image
- Optical mark recognition
- reads hand-drawn marks such as small circles
- gesture recognition
- 2 developments in the prototype stage, will detect human motions
- function keys
- programmed to issue commands
- on-screen keyboard
- displayed on a user's screen
- automated teller machine
- self-service banking machine that connects to a host computer through a network
- pointer
- small graphic symbol on the screen
- keyboard
- input device that contains keys users press to enter data into a computer
- head mounted pointer
- a small trackball that helps users with limited hand movements to control the pointer
- air mouse
- moves the mouse in a predetermined direction through the air
- keyguard
- plate placed over the keyboard that allows users with limited hand mobility to rest their hands and press only one key at a time
- stylus/digital pen
- use pressure to write or draw
- biometric device
- translates a personal characteristic into digital code that is compared with a digital code stored in the computer to identify an individual
- magnetic stripe reader/magstripe reader
- reads the magnetic stripe on the back of credit cards and other similar cards
- program
- tells a computer what to do and how to do it
- command
- causes a program to perfrom a specific action
- wheel
- steering-wheel type device thta you turn to simulate driving a vehicle
- speaker-independent software
- built-in set of word patterns
- hand geomery system
- measures the shape and size of a hand
- gaming keyboard
- designed specifically for users that enjoy playing games on the computer
- light gun
- used to shoot targets as you pull the trigger on the weapon
- input
- any data or instructions entered into the memory of a compute
- portable keyboard
- used in smart phones
- picture/video messaging
- have camera
- terminal
- consists of a keyboard, a monitor, a video card and memory
- PIN
- to know it is your card
- wireless/cordless mouse
- transmits data using wireless technology
- fingerprint reader
- captures curves and indentations of a fingerprint
- iris recognition system
- reads patterns in the iris of the eye
- click wheel
- used to browse through songs on a portable media player
- touch screen
- touch-sensitive display device that you interact with by touching areas of the screen
- POS terminal
- records purchases, processes credit cards, and updates inventory
- light pen
- light-sensitive device that you press against or point at the screen to select objects
- docking station
- if you slide a TablePC into it, you can use a full-sized keyboard, mouse and more
- smart terminal
- has a processor and can perform some functions independent of the host computer
- flatbed scanner
- similar to a copy machine, creates a file of the document
- joystick
- handheld vertical lever that you move to control a stimulated vehicle or player
- MICR
- reads text printed with magnetized ink
- optical reader
- uses a light source to read characters and converts them into digital data
- input device
- any hardware component that allows users to enter data and instruction