CSCI Chapter 7

data projector

A device that projects the text and images displaying on a computer or mobile device screen and projects the images on a larger screen so that an audience can see the image clearly.

Mobile printer

A portable personal computer designed so that a user easily can carry it from place to place.

inkjet printer

A type of non-impact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper.

how a bank uses a MICR

MICR inscriber prints the amount of the check in MICR characters in the lower-right corner. Each check is inserted in an MICR reader and the information including the amount is sent to a computer for processing

Technology aimed to prevent the use of mobile devices while driving

Motion sensors can detect if car is moving. Phone camera's can pick up if the user is in the driver's seat or passenger's seat by the angle of scenery. Technology that a car will not start unless the mobile device is plugged in that disable the mobile device.

Steps using DV technology

Select a camera (consider zoom, sound quality, editing capabilities, and resolution), Record a Video (programs allow for adjustments to exposure, select digital effects such as fade, wipe, and black and white), Transfer and Manage Videos (can connect via USB port, consider the frame rate and video file format), Edit a video (split into smaller pieces or scenes, add logos and effects), Distribute a video

laser printer

Type of high-speed, high-quality non-impact printer that creates images using a laser beam and powdered ink called toner.

Data

a collection of unprocessed items, including text, numbers, images, audio, and video

blue tooth printing

a computer or other device transmits output to a printer via radio waves

Gaming keyboard

a keyboard designed specifically for users who enjoy playing games on the comupter

LCD screen

a liquid crystal display - sandwiches a liquid compound between two sheets of material that presents sharp, flicker-free images on a screen when illuminated

pointing stick

a pressure-sensing pointing device shaped like a pencil eraser positioned between its keys. To move the pointer using a pointing stick, you push the pointing stick with a finger

Software

a series of related instructions, organized for a common purpose, that tells a computer or mobile divice what tasks to perform and how to perform them

label printer

a small printer that prints on an adhesive-type material that can be placed on a variety of items, such as envelopes, packages, optical discs, photos, and file folders

PictBridge

a standard technology that allows you to print photos directly from a digital camera by connecting a cable from the digital camera to a USB port on the printer

motion input

a/k/a gesture recognition, users can guide on screen elements using air gestures

AMOLED screen

active-matrix OLED screen that uses both active-matrix and OLED technologies, combining the benefits of high-quality viewing from all angles with lower power consumption. Variations of AMOLED provide different levels of viewing quality

how desktop monitors, laptop, and mobile device screens use touch input

allows users to interact with the operating system without a keyboard or pointing device. Instead of using a mouse to click an object on the screen, users simply can tap or double-tap the item they otherwise would have clicked

tilt-and-swivel base

allows you to adjust the angle of the screen to minimize neck strain and reduce glare from overhead lighting

all-in-one printer

also called a multifunction printer (MFP), is a single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and perhaps a fax machine

Display port

an alternative to DVI and also supports high-definition audio and video. Is an alternative to DVI that also supports high-definition audio and video

Example of User Response

an instruction a user issues by responding to a message displayed by a program or app. A response to the message instructs the program or app to perform certain actions. For example, when a program or app asks the question, "Do you want to save the changes made to this file?", and you respond with the instruction of "Yes", the program will save the file with the changes you made.

command

an instruction that causes a program or app to perform a specific action

display

an output device that visually conveys text, graphics, and video information

Input

any data and instructions entered into the memory of the computer

data collection devices

bar code readers, handheld computers, or other mobile devices to collect data wirelessly

wireless keyboard

battery-powered device that transmits data to the computer or mobile device using wireless technology

CCF screen

cold cathode fluorescent lamp (back light, lightsource)

uses of magstripe readers

credit cards, entertainment cards, bankcards, identification cards, and other similar cards

output

data that has been processed into a useful form

nit

described the difference in light intensity between the brightest white and darkest black that can be produced on a display

contrast ratio

describes the difference in light intensity between the brightest white and darkest black that can be produced on a display

how wearable devices use touch input

devices that do not have room for a keyboard and rely solely on touch input

response time

display refers to the time in milliseconds (ms) that it takes to turn a pixel on and off

monitor

display that is package as a separate peripheral device

morphing

editing techniques that transforms one video image into another image over the course of several frames of video

Benefits of a keyboard monitoring software

employers can measure the efficiency of date entry personnel. This software also can verify that employees are not releasing company secrets, are not viewing personal or inappropriate content on work computers, and are not engaging in activities that could subject the company to harassment, hacking, or other similar charges

nonimpact printing

forms characters and graphics on a piece of paper without actually contacting the paper

Thermal printer

generates images by pushing electrically heated pins against heat-sensitive paper

digitizer

graphics tablet, electronic plastic board that detects and converts movements of a stylus or digital pen into digital signals that are sent to the computer

Objects pointing device can select

graphics, and other objects, such as buttons, icons, links, and menu compounds

ergonomic keyboard

has a design that reduces the change of repetitive strain injuries (RSIs) of wrist and hand

Steps of setting up a webcam

install software before connecting the webcam, connect it, and follow the on-screen prompts. When the computer shows that it is connected, it is ready to use

capabilities of a SmartTV

internet-enabled HDTV from which you can browse the web, stream video from online media services, listen to internet radio, communicate with others on online social media, play online games, and more - all while watching a television show

barcode reader

laser beams to read bar codes

LED screen

light-emitting diode (back light, lightsource)

flatbed scanner

like copy machine expect document is scanned into memory instead of printed on paper

how smartphones use touch input

makes them more functional, lighter weight, and now often do not include keyboards. The gestures such as tapping to run an app, sliding or swiping to scroll, and pinching and stretching to zoom

technologies used by HDTV

most advanced form of digital television, working with digital broadcast signals, transmitting digital sound, supporting wide screens, and providing high resoutions

how the entertainment industry uses motion input

motion-sensing game controllers enable a user to guide on-screen elements by moving a handheld input device through the air

resolution

number of horizontal and vertical pixels in a display

How to use keyboard shortcut

one or more keyboard keys that you press to perform an operating system or application-related tasks

Different mouse types

optical, laser, touch, and wireless

OLED Screen

organic LED - uses organic molecules that are self-illuminating and does not require a backlight

tactile output

output that provides the user with a physical response from the device

HDMI (High-Definition Media Interface)

port that combines DVI with high-definition (HD) television, audio , and video. Some ultrathin laptops have mini-HDMI ports that require the uses of and adapter (or dongle) when connecting to a standard-size HDMI display

DVI (Digital Video Interface)

port that enables digital signals to transmit directly to a monitor. Enables digital signals to transmit directly to a monitor

impact printer

printer which forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper.

LCD projector

projector uses liquid crystal display technology, attaches directly to a computer or mobile device and uses its own light source to display the information shown on the computer screen.

benefits of RFID technology

reader that does not require direct contract or line-of-site transmission

Guidelines for safely scanning QR Codes

scan trustworthy sources (verify source before scanning), verify the web address, choose a reputable QR scanner (download from Android Marketplace or Itunes store - make sure it has safety features), Do not supply personal information, and check for tampering

Touchpad

small flat rectangular pointing device that is sensitive to pressure and motion

pointer

small symbol on screen whose location and shape change as a user moves a pointing device

Compact keyboard

smaller than a standard keyboard and usually does not include the numeric keypad or navigation keys

Laws aimed to prevent the use of mobile devices while driving

some states have made it illegal to send, read, or respond to a text message while driving, and some states have required hands free technology of mobile device use in vehicles

dot pitch

sometimes called pixel pitch, is the distance in millimeters between pixels on a display

plotter printer

sophisticated printers used to produce high-quality drawings, such as blueprints, maps, and circuit diagrams

adjustable monitor stand

stand that allows you to adjust the height of the monitor

trackball

stationary pointing device with a ball on top or side

QR code

stores information that can correspond to a web address or other content

4 types of output

text, graphic, audio, and video

purpose of GPU

the manipulation and display of graphics on a display device

frame rate

the number of frames per second in a video (fps)

candela

the standard unit of luminous intensity

TFT screen

thin-film transistor, produces color in LCD

3-D Printer

this printer uses a process called additive manufacturing to create an object by adding material to a three-dimensional object, one horizontal layer at a time.

methods and devices for pen input

touch a stylus or digital pen on a flat surface to write, draw, or make selections

how kiosks use touch input

touch input used because keyboards and pointing devices may not endure high volumes of use, ideal for specific functions as quickly as possible and user-friendly

how navigation systems use touch input

touch is the primary method of input so that the size of the screen on the device is maximized. Navigation specific to be quick and user friendly

how digital cameras use touch input

touch is the primary method of input so that the size of the screen on the device is maximized. Space on the device does not have to be dedicated to other controls, such as buttons or click wheels to control images

how portable media players use touch input

touch is the primary method of input so that the size of the screen on the device is maximized. Space on the device does not have to be dedicated to other controls, such as buttons or click wheels to control media

touch screen interaction

touching areas of the screen with your finger or stylus to make selections or to being typing. Many touch screens also respond to gestures

how the military uses motion input

training (flight simulation or weapon usage), trainees maneuver a helicopter or other device using motion input from a remote location. Also aids in physical rehabilitation for wounded soldiers by providing a method for conducting physical therapy exercises outside of a military hospital

Common Keyboard features

typing area; function keys, toggle key, navigation keys, keyboard shortcut keys, media control buttons, internet control buttons

Steps to secure your privacy when using a device with a webcam

unplug the webcam, cover the lens and plug the microphone, register the hardware, use a strong password

criminal purposes of a keyboard monitoring software

use programs on public and private computers to capture user names, passwords, credit card numbers, and other sensitive data, and then use this data to access financial accounts and private networks

how the medical field uses motion input

used for training for surgeons can practice new technologies in a simulated environment

optical reader

uses light source to read marks, etc. (scantron)

DLP projector

uses tiny mirrors to reflect light, which produces crisp, bright, colorful images that remain in focus and can be seen clearly, even in a well-lit room

steps to connect a laptop to an external device

verify laptop is compatible to an external display, make sure that you have a cable that can connect form a port on your laptop to a port or cable connected to the external display, if not purchase an adapter, verify that your laptop support a screen resolution that the external display also supports, use the cable to connect your laptop's video port to the video input port for the external display, external displays often have multiple video input ports; make sure the external display is configured to display the content from the port to which your laptop is connected, if necessary configure the laptop to display content on the external display which can be done by pressing a key on the keyboard or accessing the operating system's display settings, if necessary, change the screen resolution on the laptop so that the contents display properly on the external display

steps to show media on a Smart TV from a computer or mobile device

verify that your computer or device is capable of displaying content on the Smart TV, make sure that the computer or device is connected to the same network as the Smart TV, Navigate to the setting on the computer or device and specify that you want to mirror the display on the Smart TV, Navigate to the setting on the Smart TV, if necessary, and enable the setting that allows content from computers and devices to be displayed, continues to use the computer or device when the video from your computer or device is displayed on the Smart TV, and when you no longer which to display the content from your computer or device on the Smart TV, change the setting on your computer or mobile device to disable this feature

What happens in a video conference and technology needed

videoconferencing software or access to videoconferencing web app, microphone, speakers, and video camera either separate or built in to the computer

Hardware and devices used for voice and audio input

voice recognition software, siri, microphones, CD/DVD/Blu-Ray disc players, radios, and plugs and ports in the computer

credit card protection guidelines

wrap the card in aluminum foil, place the card near a water bottle, stack several credit cards to scramble signals, put the card in your wallet with the magnetic strip facing the inside of the wallet, RFID blocking wallets are manufactured to prevent scanners from obtaining the emitted signals