CGS 2060 Computer Input
Traits for biometric recogniton
-everyone must have the trait -the trait must be measurably different with each person -the traits must not change overtime
Select the smartphone input devices
-motion sensors -microphone -buttons and/or switches
_ fingerprint scanners are the most common biometric identification devices
Capacitance
What technologies are used to take fingerprints?
Capacitance - uses electron movement, similar to a touchscreen Ultra-sonic- uses sound waves to detect ridges and whoris Optical-takes a photo of the fingerprint
using a stylus and touchpad to map the signature and also measure pressure, pen angle, pen up/down, speed, etc., is known as what type of signature recognition
Dynamic
This technology that allows relatively high-quality sound to come from tiny devices such as hearing aids and smartphones is called the
MEMS chip
The technology that allows a computer to serve as a sound studio is known as _
MIDI
This technology allows musicians to create written sheet music simply by playing an instrument
MIDI
A technology that has the potential to keep you from losing your car keys again is RFID which stands for _ frequency identification
Radio
today's computer keyboard was NOT named after...
Sir Wesley Reginald QWERTY
Active pixel sensor (APS), Complementary Metal-oxide Semiconductor (CMOS) technology is used in most digital cameras, smartphone camera and webcams today. True or false
TRUE
Do 3D mapping, feature charting, and skin texture are some of the methods facial recognition software uses to identify individuals
True
Control + U ? what does it do?
Underlines
a technology that allows high quality cameras to be small enough to fit in a smart phone is _ pixel sensor CMOS technology
active
A device commonly used for checkout in stores, that measures the reflection of a laser beam, is called a ____
barcode reader
Using extremely low power radio signals, short distance wireless connections are often made using _ technology
bluetooth
Magnetic Ink Recognition (MICR) is a technology that is most commonly seen on
checks
The most common method of eye recognition uses the _
iris
what is the most common audio input device
microphone
Most cellphone camera do not have _ zoom capability
optical
In photography, there are 2 ways to focus on distant objects:
optical zoom digital zoom
The number of pixels in an image defines the picture's
resolution
when discussing digital camera photo quality one of the most important factors is how many pixels are used to create the photos image this equals the photo's __?
resolution
Optical mark recognition?
scantrons
A combination input and output devise sometimes used in classrooms, which allows users to interact with large computer displays is called a _
smartboard
Most point and shoot cameras use photographic technology that is _ compared to smartphones
usually the same
Most smartphones and tablets have ___ (touchscreen) keyboards
virtual
Select the features common in DSLR cameras
-often allow interchangeable lenses -usually have a mirror that allows the photographer to look directly through the lens -typically have larger active pixel sensor arrays
The technology that allows any text , even handwritten scrawls , to be digitalized is known as optical _ recognition
character
Devices such as modern check-out machines in stores are called _____-of-sale (or service) machines
point of sale
what is short range wireless technology used for data transfer and electronic payments
NFC - near field communication
Apple pay uses _ for payment transfer
NFC
A method of identification that is valuable because it can be used at night or through walls with infrared cameras or even with satellite imagery is _
gait
As technology advances, there are ___ keyboard options available for computer users
many more