Computer Input and Output

Select common printer manufacturers: 1) Cannon 2) HP 3) Brother 4)Lexmark 5) Windows

1-4

Which printer? Makes fast single copy color pages Popular for home use Low initial cost Uses ink

Inkjet

To create an image, the technology used by smartphones is called active _____ ______

pixel sensor

Creates imaging using cells of ionized red, blue, and green gas

plasma

microphone touch screen motion sensors front and rear cameras multiple buttons and switches micro USB port power port are all?

smartphone input devices

Receipts are printed on _______ paper

thermal

Thermal printing: Uses ______ paper Paper turns ______ when heated Some use 2 color (_____ and _____) by heating at ______ temperatures Much _____ expensive than using ink or toner Commonly used for printing _____

thermal black red and black , different less receipts

Television displays with resolutions of at least 3840 x 2160 pixels are referred to as ______ HD

ultra

Optical Media: Includes ______'s and ___-____ Data is stored using ______ material housed on a ____ _____ A ____ _____ "reads" the reflected data DVDs use ______ (_____ spectrum) laser Blu-ray technology uses _____ wavelength (___-____ laser) Blu ray players can read _____ ______

DVD and blu ray reflective material , plastic disk laser beam longer (red spectrum) shorter (blue-violet) both spectrums

Which is a short range wireless technology used for data transfer and electronic payment? IrDA RFID Wifi NFC

NFC

Speech recognition uses which of the following characteristics 1) voice frequency 2) linguistics 3) speech rhythms 4) voice pitch

1, 3, 4

Select the features common in DSLR cameras 1) often allow for interchangeable lenses 2) Rarely include optical zoom 3) Typically have larger active pixel sensor arrays 4) Usually have a mirror that allows the photographer to look directly through the lense

1, 3, 4,

CNTRL+P = CNTRL+S = CNTRL+Z= CNTRL+ESC=

CNTRL+P = print CNTRL+S = save CNTRL+Z= undo CNTRL+ESC= start menu

Printer manufacturers advertise the quality of their products by stating how many ___ they produce

DPI

May have a relatively slow refresh rate since it relies on molecular movement

LCD

By efficiently turning electrons into protons, _____ displays can provide very bright screens with very little energy

LED

Which printer? Far faster when printing multiple copies Popular in office Higher initial costs Uses toner

Laser

The technology that allows a computer to serve as a sound studio is known as a _____

MIDI

Has the best possible contrast ratio

OLED

The number of bits describing each pixel is referred to as

color depth

1920 vertical lines of pixel and 1080 horizontal lines of pixel defines a high ______ display

definition

The study of human factors related to the things people use is called ________

ergonomics

Virtual keyboards, buttons, cameras, and microphones are examples of some of the _______ devices found on a typical smartphone

input

Toner is drawn to a drum when creating a hard copy using a ____ printer

laser

Number of times per second a frame in a video is advanced is the definition of frame _____

rate

when discussing digital camera photo quality, one of the most important factors is how many pixels are used to create the photo image. this equals the photo's _____.

resolution

Point and shoot digital cameras use the _____ technology as smartphone cameras

same

Point and shoot cameras: Can have a bigger _____ _____ = higher _____ Can have an extending lens = _____ ______

sensor array = higher resolution = optical zoom

A type of camera that allows you to see directly through the lens is a _____ camera

slr

In photography, there are two ways to zoom-in on distant objects: digital zoom and ____ zoom

optical

Items that can be connected to a digital device are referred to as ______.

peripherals

the accuracy of digital recording is determined by the _____ rate

sampling