Introduction to Computers Module 7

outline steps involved in using dv technology

-input, edit, manage, publish, and share your videos (1) Select DV Camera (2) Record Video (3) Transfer and Manage Videos (4) Edit a Video (5) Distribute Video

List different mouse types

1. OPTICAL MOUSE - uses optical sensors that emit and sense light to detect the mouse's movements 2. TOUCH MOUSE - a touch-sensitive mouse that recognizes touch gestures, in addition to detecting movement of the mouse and traditional click and scroll operations 3. WIRELESS MOUSE - is a battery-powered device that transmits data using wireless technology. A wireless mouse typically transmits data to a receiver that plugs in a USB port or uses Bluetooth technology to pair with the device

Describe the following input devices, touch pad, pointing stick and trackball

1. TOUCH PAD - is a small, flat, rectangular pointing device that is sensitive to pressure and motion. found most often in laptops and convertible tablets 2. POINTING STICK - is a pressure sensitive 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 3. TRACK BALL - is a stationary pointing device with a ball on its top or side. The ball in most trackballs is about the size of a ping pong ball. Some devices, called a trackball mouse, combine the functionality of both a trackball and a mouse

Explain how hand-writing notes in class can impact your knowledge retention

1. better understand the material learned 2. process information 3. write in own words 4. write down what is important and do not write down what is not important 5. more focused on the subject than scrolling through social media

list guidelines for safely scanning QR codes

1. scan trustworthy sources 2. verify the web address 3. choose a reputable QR code 4. do not supply personal information 5. check for tampering

outline steps to secure your privacy when using a device with a webcam

1. unplug the webcam 2. cover the lens and plug the microphone 3. register the hardware 4. use a strong password

outline steps for printing from a smartphone or tablet

1. verify device is connected 2. download an app on device to let you print if necessary 3. select option to print then retrieve paper

list steps to connect a laptop to an external display

1. verify that your laptop is compatible with the external display 2. make sure that you have a cable that can connect from a port on your laptop to a port or cable connected to the external display. If not, you may need to purchase an adapter 3. verify that your laptop supports a screen resolution that the external display also supports 4. use the cable to connect your laptop's video port to the video input port for the external display 5. 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 6. if necessary, configure the laptop to display content on the external display. This often can be done by pressing a key on the keyboard or accessing the operating system's display settings 7. if necessary, change the screen resolution on the laptop so that the contents display properly on the external display

Explain the criminal and beneficial purposes of keyboard monitoring software

Beneficial purposes - employers can measure the efficiency of data 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. Criminal purposes - criminals use the programs on both public and private computers to capture usernames, passwords, credit card numbers, and other sensitive data and then use this data to access financial accounts and private networks.

Differentiate among compact, gaming, ergonomical, and wireless keyboards.

COMPACT KEYBOARD - is smaller than the standard keyboard and usually does not include the numeric keypad or navigation keys GAMING KEYBOARD - specifically designed for users who enjoy playing games on the computer. typically include programmable keys so the gamers can customize the keyboard to the game being played. ERGONOMICAL KEYBOARD - has a design that reduces the chance of repetitive strain injuries of the wrist and hand WIRELESS KEYBOARD - is a battery powered device that transmits data to the computer or mobile device using wireless technology

define the term Data Projector. Differentiate between LCD and DLP projector technology

DATA PROJECTOR - a device that projects the text and images displaying on a computer or mobile device screen on a larger screen so that an audience can see the image clearly LCD PROJECTOR - uses a 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 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 well-lit rooms

Describe how desktop monitors, laptop and mobile device screens, smartphones, wearable devices, portable media players, digital cameras, kiosks, and navigation systems use touch input

DESKTOP MONITORS - interact with the operating system without a keyboard or pointing device LAPTOP AND MOBILE DEVICES - interact with the operating system without a keyboard or pointing device SMARTPHONES - preform gestures like tapping, sliding, swiping, pinching, and stretching WEARABLE DEVICES - preform gestures like tapping, sliding, and swiping PORTABLE MEDIA PLAYERS - uses touch to as the primary method of input like swiping or sliding to scroll through various screens DIGITAL CAMERAS - use touch like swiping to look through photos, tapping to focus on one area of the photo, pinching and stretching to zoom in and out of photos, tapping areas of photos to remove red-eye, and dragging borders of a photo to crop it KIOSK - uses touch like tapping to type in numbers and letters, to navigate to different areas of the kiosk NAVIGATION SYSTEMS - uses touch like tapping to enter an address or destination, dragging to display different areas of a map, and pinching and stretching to zoom in on a specific place

List methods and devices for using pen input. Define digitizer.

DIGITIZER - also known as a graphics tablet is an electronic plastic board that detects and coverts movements of a stylus or digital pen into digital signals that are sent to the computer. Methods of pen input: 1. use a stylus to write or draw 2. use stylus to write your signature on a signature capture pad 3. use a digital pen to take notes in class 4. use a graphics tablet to create and image, sketch, or design Devices: STYLUS DIGITAL PEN GRAPHIS TABLET(DIGITIZER)

define display, monitor, describe different types of monitors

DISPLAY - an output device that visually conveys graphics, text, and video information MONITOR - is a display that is packaged as a separate peripheral device DIFFERENT TYPES ON MONITORS

define the term drone, identify some uses of drones

DRONE - also known as a unmanned aerial vehicle (UAV) is an aircraft that operates by an onboard computer and GPS, a remote-control device, and/or an app on a mobile device DRONE USES: 1. search and rescue 2. traffic and weather monitoring 3. surveillance 4. disaster relief 5. assisting farmers 6. delivery of goods 7. aerial photography/videography

Define data, software, command. Give an example of a user response

Data=collection of unprocessed items like text, numbers, images, audio and video. Software=series of related instructions organized for a common purpose that tells computer what to do and how to do it Command=instruction or causes a program or app to perform a specific action User Response="Do you want to save the changes made to this file" if yes, the program or app will save changes, if no, then it won't

differentiate among earbuds, headphones, and headsets

EARBUDS - rest inside the ear canal HEADPHONES - cover or placed outside of the ear HEADSETS - is a device that functions as both headphones and a microphone

explain the purpose of the gpu, list and describe port types for monitors

GPU controls the manipulation and display of graphics on a display device 1. DVI - enables digital signals to transmit directly to a monitor 2. HDMI - combines DVI with high-definition television, audio, and video 3. DISPLAYPORT - an alternative to DVI that also supports high-definition audio and video

describe the technologies used by hdtv, explain the capabilities of a smart tv

HDTV - is the most advanced form of digital television, working with digital broadcast signals, transmitting digital sound, supporting wide screens, and providing high resolutions. SMART TV - is an internet enable HDTV from which you can browse the web, stream video from online media services, listen the internet radio, communicate with others on online social media, play online games, and more

explain how an inkjet printer works, describe the mechanics of the ink cartridge

INK JET PRINTER - is a type of non impact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper INK CARTRIDGE - 1. small resistor heats the ink, causing the ink to boil and form a vapor bubble 2. the vapor bubble forces the ink through the nozzle 3. ink drops onto the paper 4. as the vapor bubble collapses, fresh ink is drawn into the firing chamber

_____is any data and instructions entered into the memory of a computer

Input

differentiate among LCD, CCFL, LED, TFT, OLED, AMOLED technologies

LCD - typically produces color using active-matrix CCFL - a light source that is used in LCD LED - a light source used in LCD TFT - uses a separate transistor to apply changes to each liquid crystal cell OLED - uses organic molecules that are self-illuminating AMOLED - uses both active-matrix and OLED

Define: motion input. Describe how the entertainment industry, military, and medical field use motion input.

MOTION INPUT - users can guide on-screen elements using air gestures. Air gestures involve moving your body of handheld input device through the air. ENTERTAINMENT INDUSTRY - motion-sensing games controllers enable a user to guide on-screen elements by moving a handheld input device through the air. Examples include hand-held devices that enable gamers to use sweeping arm movements to simulate sport activities MILITARY INDUSTRY - Military uses of motion input include training, such as flight simulations or weapon usage. To ensure safety, trainees maneuver a helicopter or other device using motion input from a secure location. MEDICAL FIELD INDUSTRY - the medical field also uses motion input for training. For example, surgeons can practice new technologies in a simulated environment.

describe types of scanners and reading devices

OPTICAL SCANNER - a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process OPTICAL READER - is a device that uses a light scource to read characters, marks, and code and then converts them into digital data that a computer can process BAT CODE READER -

define output. list types and methods of output

OUTPUT - is data that has been processed into a useful form TYPES OF OUTPUT 1. text 2. graphics 3. audio 4. video

describe the following printer types, photo, all-in-one, 3D, thermal, mobile, label, plotter, and impact.

PHOTO PRINTER - a color printer the produces lab-quality photos ALL-IN-ONE PRINTER - a single device that has the functions of a printer, scanner, copy machine, and a fax machine 3D 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 THERMAL PRINTER - generates images by pushing electrically heated pins against heat-sensitive paper MOBILE PRINTER - a small, lightweight, battery-powered printer that allows a mobile user to print from a laptop, smartphone, or other mobile device while traveling 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 PLOTTER PRINTER - is a sophisticated printer used to produce high-quality drawings, such as blueprints, maps, and circuit diagrams IMPACT PRINTER - forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper

Define pointer. Name objects a pointing device can select.

POINTER - is a small symbol on the screen whose location and shape change as a user moves a pointing device. You can select text, graphic, and other objects, such as buttons, icons, and menu commands with a pointer

describe orientation options for printouts, explain what is needed to print using bluetooth

PORTRAIT ORIENTATION - is taller than it is wide, with information printed across the shorter width of the paper LANDSCAPE ORIENTATION - is wider than it is taller, with information printed across the widest part of the paper 1. verify device is connected 2. download an app on device to let you print if necessary 3. select option to print then retrieve paper

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

QR Code

list uses for rfid technology, list uses for magstripe readers.

RFID USES: 1. tagging and updating inventory 2. tracking times of runners on marathons 3. tracking location of people, airline baggage, and misplaced or stolen goods 4. checking lift tickets of skiers 5. gauging temperature and pressure of tires on a vehicle 6. checking out library books 7. providing access to rooms or buildings 8. managing purchases 9. tracking payment as vehicles pass through booths on tollway systems MAGSTRIPE READERS USES: scans the magnetic strip on a 1. credit card 2. entertainment card 3. bank card 4. identification card 5. and other cards also contains information identifying you and the card issuer 1. your name 2. account number 3. the card's expiration date 4. county code

Explain how to interact with a touchscreen

TOUCHSCREEN - is a touch sensitive display You can interact with a touchscreen by touching areas of the screen with your finger or a stylus to make selections or to begin typing. Many touchscreens also respond to gestures

describe how a bank uses micro technology

When a bank receives a check for payment, it uses MICR inscriber to print the amount of the check in MICR characters in the lower right corner. Each check is inserted into a MICR reader, which sends the check information including the amount of the check to a computer for processing

explain how resolution affects printer quality

a higher "dot per minute" means the print quality is higher because the drops of ink are smaller and more drops fit in a certain area.

describe how display quality is determined, define resolution, response time, NIT, Candela, dot pitch, contrast ration

display quality is determined by resolution, response time, brightness, dot pitch, and contrast ratio RESOLUTION - the number of horizontal and vertical pixels in a display RESPONSE TIME - refers to the time in milliseconds that it takes to turn a pixel on and off NIT - a unit of visible light intensity equal to one candela per square meter CANDELA - the standard unit of luminous intensity DOT PITCH - the distance in millimeters between pixels on a display CONTRAST RATION - the difference in light intensity between the brightest white and the darkest black that can be produced on a display

give examples of data collection devices and describe how they are used.

examples: bar code readers, handheld computers they are used to take inventory of the products and then order them

List types of assistive technologies for input and output.

head mounted pointer programs to display words insead of sound for people with hearing issues blind users can work with voice output

compare the price and quality of inkjet printers and laser printers

laser prints are faster but more expensive while ink jet printers are slower but do not cost as much

list guidelines to protect your credit card from scanning devices

look for words like 1. pay Pass 2. payWave 3. blink 4. or a radio wave symbol if you do not see this information call customer service or search the company's website

explain how computers and mobile devices use speakers, such as satellite speakers to emit sound

they are used to generate high quality sounds for playing games, interacting with media presentations, listening to music, and viewing movies

List features that are common to most keyboard. Describe how to use a keyboard shortcut.

typing area, function keys, navigation keys, toggle area. Keyboard shortcut example is control C which automatically copies the selected item

explain safety issues around hardware radiation

wearing a Bluetooth headset for hours at a time can cause hearing issues or cancer