Computer Concepts Chapter 6

mouse

A ____ controls a pointer that is displayed on the monitor. The ____ pointer usually appears in the shape of an arrow. It frequently changes shape, however, depending on the application.

stylus

A ____ is a penlike device typically used with tablets and mobile devices. A _____ uses pressure to draw images on a screen.

touch screen

A _____ allows users to select actions or commands by touching the screen with a finger or penlike device. Can be touched with more than one finger in most cases

wand readers

Hand help car code readers

card readers

Interpret encoded information that is stored on debit, credit and identification cards

touch pad

Like a mouse, a ____ is used to control the mouse pointer and to make selections. Unlike a mouse, however, a______operates by moving or tapping your finger on the surface of a pad.

smart cards

Many credit cards, known as ______, include additional security in the form of a microchip embedded in the credit card. This chip contains encrypted data that makes it nearly impossible for criminals to forge a duplicate card.

concave monitors

Monitor that has a concave screen that provides better viewing angles near the edges of the screen. Used by high-end gamers. Used for smart watch displays

Light emitting Diode (LED)

More advanced backlighting. They produce better-quality images, are slimmer, and are more environmentally friendly as they require less power and use fewer toxic chemicals to manufacture.

keyboards

One of the most common ways to input data is by a _____. These convert numbers, letters, and special characters that people understand into electrical signals.

combination keys

Others, such as the Ctrl key, are _____ keys, which perform an action when held down in combination with another key.

resolution

______ is one of the most important features. Images are formed on a monitor by a series of dots or pixels (picture elements). ______ is expressed as a matrix of these dots or pixels. The higher a monitor's _______ (the more pixels), the clearer the image produced.

contrast ratios

______ ratios indicate a monitor's ability to display images. It compares the light intensity of the brightest white to the darkest black. The higher the ratio, the better the monitor. Good monitors typically have _____ ratios between 500:1 and 2000:1.

voice recognition systems

______ systems use a microphone, a sound card, and special software. These systems allow users to operate computers and other devices as well as to create documents using voice commands

Digital/ interactive whiteboards

Type of monitor. Connects to a computer or project. Controlled using a special pen or even your finger. Classrooms and corporate boardrooms use these.

Ultra High- definition Television (UHDTV)

Type of monitor. Digital output delivering a much clearer and more detailed imagine than regular HDTV

Digital projector

Type of monitor. Projects the images from a traditional monitor onto a screen or wall

multifunctional devices (MFD)

______ typically combine the capabilities of a scanner, printer, fax, and copy machine. They are cost efficient but lower quality. All- in- one printers are a good example of this.

UPCs

___ are heavily used in grocery and retail stores for automated chechout and inventory control. Type of bar code reader

Laser printers

___ printers use a laser light beam to produce images at a higher quality. Fast and excellent quality. Personal or shared (KNOW DIFFERENCE)

printer

___ translate information that has been processed by the system unit. The output is referred to as a hard copy. Some features include resolution, color, speed, memory, and duplex printing

Webcams

____ are specialized digital video cameras that capture images and send them to a computer for broadcast over the Internet

bar code readers

____ contain photo- electric cells that scan or read bar codes or the zebra striped marks printed on product containers

pointing devices

____ devices provide an intuitive interface with the system unit by accepting physical movements or gestures such as a finger pointing or moving across a screen and converting these movements into machine-readable input. Some of these devices include a mouse, touch screen, game controller, or stylus

maxicode

____ is used by shipping companies for routing packages. Is a type of var code reader

3-D printers

____ printers create 3-d shapes with a thin layer of material repeatedly until created. Also called additive manufacturing

inkjet printers

____ printers spray ink at a high speed. they are reliable, quiet, and inexpensive

3D scanners

____ scanners use lasers, cameras, or robotic arms to record the shape of an object. Like 2D scanners, most_____ scanners cannot recognize light, dark, and colored areas.

Handwriting recognition software

____ translates handwritten notes into a form that the system unit can process. For instance, with a stylus

E- book readers

_____ are dedicated mobile devices for storing and displaying E-books

game controllers

_____ are devices that provide input to computer games.

Plotters

_____ are special-purpose printers for producing a wide range of specialized output. Using output from graphics tablets and other graphical input devices, ____ create maps, images, and architectural and engineering drawings. _____ are typically used by graphic artists, engineers, and architects to print out designs, sketches, and drawings.

headsets

_____ combine the functionality of microphones and headphones. The microphone accepts audible input and headphones provide audio output.

input

_____ devices are hardware used to translate words, numbers, sounds, images, and gestures that people understand into a form that the system unit can process.

scanning devices

_____ devices convert scanned text and images into a form that the system unit can process.

audio- output devices

_____ devices translate audio information from the computer into sounds that people can understand. The most widely used _____ devices are speakers and headphones.

input

_____ is any data or instructions that are used by a computer. ____ devices translate data into a form that the system unit can process

output

_____ is processed data or information. _____ typically takes the form of text, graphics, photos, audio, and/or video.

LCD (liquid crystal display)

_____ is widely used for older monitors and is typically less expensive. Type of flat panel monitor

dot pixel/ pitch

_____ pitch is the distance between each pixel. Most newer monitors have a ____pitch of 0.30 mm (30/100th of a millimeter) or less. The lower the _____ pitch (the shorter the distance between pixels), the clearer the images produced

cloud printers

_____ printers are printers connected to the Internet that provide printing services to others on the Internet.

Thermal printers

_____ printers use heat elements to produce images on heat-sensitive paper. These printers are widely used with ATMs and gasoline pumps to print receipts.

E- ink

_____ produces images that reflect light like ordinary paper, making the display easy to read

aspect ratio

_____ ratio indicates the proportional relationship between a display's width and height

document scanner

_____ scanner is similar to a flatbed scanner except that it can quickly scan multipage documents. It automatically feeds one page of a document at a time through a scanning surface.

portable scanner

_____ scanner is typically a handheld device that slides across the image, making direct contact.

Telephony

_____, also known as Internet Telephony, is the VoIP application that uses Internet rather than traditional telephone lines to support voice communication.

size

_____, or active display area, is measured by the diagonal length of a monitor's viewing area

Audio Input Devices

______ devices convert sounds into a form that can be processed by the system unit. By far the most widely used audio-input device is the microphone.

character and mark recognition readers

_______ devices are scanners that are able to recognize special characters and marks. They are specialty devices that are essential tools for certain applications.

optical- character recognition (OCR)

reads preprinted characters such as wand scanners. uses special preprinted characters that can be read by a light source and changed into machine-readable code

Optical- mark recognition (OMR)

senses the presence or absence of a mark, such as a pencil mark. _____ is often used to score standardized multiple-choice tests.

soft copy

The output is often referred to as ____ copy

Ergonomics

______is defined as the study of human factors related to things people use. It is concerned with fitting the task to the user rather than forcing the user to contort to do the task.

telephones

_____are input and output devices for receiving and sending voice communication

output devices

_____devices are any hardware used to provide or to create output. They translate information that has been processed by the system unit into a form that humans can understand.

joysticks

a game controller that suse pressure and direction of the stick

image capturing devices

create or capture original images

Flat- panel monitors

monitors that require less power to operate. They are portable and thin. Most are backlit. Most widely used monitor today

Motion-sensing devices

these game controllers control games by user movement

game pads

these game controllers require both hands and provide a wide array of inputs including motion, turning, stopping, and firing.

cordless or wireless

Traditionally in the optical mouse, the detected movements are communicated to the system unit through a cord. Alternatively, the ___ or ____ mouse uses radio waves or infrared light waves to communicate with the system unit. These devices eliminate the mouse cord and free up desk space. These are battery operated

flatbed, document, portable, and 3D

4 types of optical scanners

optical mouse

Although there are several different designs, the ____ mouse is the most widely used. It emits and senses light to detect mouse movement.it has no moving parts. Can be used on any surface

Magnetic card reader

Although there are several different types, by far the most common is the ________. The encoded information is stored on a thin magnetic strip located on the back of the card. When the card is swiped through the magnetic card reader, the information is read.

optical scanner

An _____, also known simply as a scanner, accepts documents consisting of text and/or images and converts them to machine-readable form. These devices do not recognize individual letters or images. Rather, they recognize light, dark, and colored areas that make up individual letters or images.

Ebook

An e-book is a traditional books printed in electronic form

digital camera

Captures images digitally and stores in memory

Input

Some hardware ____ devices include keyboards, mice, pointing, scanning, Image- capturing, and Audio- Input

toggle keys

Some keys, such as the Caps Lock key, are_____ keys. These keys turn a feature on or off.

wheel button

Some mice have a ____ button that can be rotated to scroll through information that is displayed on the monitor.

monitor

The most frequently used output device is the _____. Also known as display screens, _____ present visual images of text and graphics.

clarity

The most important characteristic of a monitor is its ____. _____ refers to the quality and sharpness of the displayed images.

RFID Readers

These are tiny chips embedded in most anything. contain electronically stored information that can be read using an ____ reader located several yards away.

gaming mice

These game controllers are similar to a mouse but high precision

Organic Light Emitting Diode (OLED)

Thin layer organic compound that produces light.

Magnetic-ink character recognition (MICR)—

__________ are used by banks to automatically read those unusual numbers on the bottom of checks and deposit slips. A special-purpose machine known as a reader/sorter reads these numbers and provides input that allows banks to efficiently maintain customer account balances.

Voice Over IP

_____is a set of standards or technologies that support voice and other types of communication over the Internet.

flatbed scanner

_____scanner is much like a copy machine. The image to be scanned is placed on a glass surface, and the scanner records the image.