Intro to Computers – Ch 4 (Test) – Flashcards

Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. When buying a scanner, Stacey needs to make sure that the scanner has a high enough ____, typically measured in the number of dots per inch (dpi), for the business needs of the office.

Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café has recently enacted a new policy that says that all users must use the ____ attached to their computers when carrying out activities on the computer that will provide sound, so as to not disturb the other users.

Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. After doing some research into printers, Stacey decides to buy a(n) ____ printer, since they are the standard for business documents and are typically faster and have better quality output than other types of printers.

Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café provides ____ on some computers so that users can both listen and talk through the device during a telephone call made through the computer without disturbing other users.

Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. Lisa needs to make sure that the computer that she is using has a ____ attached to it for her to be able to hear music and the sounds of a computer game.

Optical marks are characters specifically designed to be identifiable by humans as well as by some type of optical character recognition (OCR) device. _________________________

Printer output is a type of soft copy.

____ are used to input data about a person into a computer system so that the individual can be identified based on a particular unique physiological characteristic.

____ are the most common type of flat-panel technology used for small- to medium-sized computer monitors.

The accompanying figure shows a(n) ____ printer.

Scanners produce images through either impact or nonimpact technologies. _________________________

The accompanying figure shows a portable ____ reader.

In a printer, the number of ____ affects the quality of printed output.

In a printer, the print ____ affects the quality of the printed output.

Digital still cameras most often use ____ cards for storage.

Print speed is typically measured in ____.

Plasma displays use a layered technology like LCD and ____ and look similar to LCD displays.

____ monitors can be added to a computer without requiring a video card that supports multiple monitors.

One factor affecting digital camera quality is the number of pixels, measured in ____, used to store the data for each image.

A difference between CRT monitors and flat-panel displays is that most flat-panel displays use digital signals to display images, while CRT monitors use ____.

A(n) ____ uses charged liquid crystals located between two sheets of clear material to light up the appropriate pixels to form the image on the screen.

Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.

A ____ is a large screen computer either built into a table or designed to be used on a table and that allows multi-touch input from multiple users.

A ____ is designed to scan flat objects one page at a time.

Wireless displays connect to a computer using a wireless networking connection such as Wi-Fi or ____.

Digital camcorders are similar to conventional ____ camcorders.

____ form images by spraying tiny drops of liquid ink onto the page, one printed line at a time.

The ____ used to be the norm for desktop computers.

A ____ is an optical code that represents data with bars of varying widths or heights.

The display device for a desktop computer is formally called a ____.

____ input data from special forms to score or tally exams, questionnaires, ballots, and so forth.

____ are the standard for business documents and come in both personal and network styles.

A ____ rests on the desk or other flat surface close to the user's computer and is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen.

One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares.

Graphics tablets are often used in conjunction with image editing software to create original images or to modify digital photographs. _________________________

The number of bits used to store color information about each pixel is called ____.

A ____ is the smallest colorable area on a display device.

With a ____, the user touches the screen with his or her finger to select commands or otherwise provide input to the computer with which it is being used.

Most printers today are impact printers. _________________________

____ keys on a keyboard are used for issuing commands in some programs.

LCD displays use layers of organic material which, when electric current is applied, emits a visible light. _________________________

Optical zoom specifications reflect how much the camera can zoom without losing image quality. _________________________

TOLED displays are transparent and can emit light toward the top and bottom of the display surface. _________________________

A system used to enable a computer to recognize voice input as spoken words is a(n) speech recognition system. _________________________

Portable barcode readers are always used in point-of-sale (POS) systems.

The video card or the integrated graphics component determines the graphics capabilities of the computer. _________________________

When scanning, lower resolution is acceptable if the image is to be enlarged significantly or if only one part of the image is to be extracted and enlarged.

Each pixel on an LCD display emits light in the necessary color.

Optical character recognition (OCR) is a technology confined primarily to the banking industry, where it is used to facilitate high-volume processing of checks.

Display devices are used to select and manipulate objects, to input certain types of data (such as handwritten data), and to issue commands to the computer. _________________________

The term phosphorescence is a process that results in much more conversion of electrical energy into light instead of heat. _________________________

Display device size is measured diagonally from corner to corner, in contrast to the way TV screens are measured.

A(n) joystick is a set of headphones with a built-in microphone. _________________________

RFID tags need to be within line of sight of a reader.

The number of digital photos that can be stored in a camera at one time depends only on the capacity of the storage medium being used.

Notebook and netbook computers usually have a keyboard that is similar to a desktop keyboard, but it is typically smaller.

When comparing the zoom capabilities of a digital camera, look for optical zoom, not digital zoom, specifications.

Computer speakers are the most common type of audio output device. _________________________

One-dimension (1D) barcodes contain data only vertically.

Automating the data entry process is referred to as source data automation.

PHOLED technology is especially appropriate for use on mobile devices, consumer electronics, and other devices where power consumption is an important concern.

Wired displays connect to a computer or other device (such as to a smartphone) using a wireless networking connection such as Wi-Fi, Bluetooth, or a special wireless standard designed for transmitting multimedia.

A display device is the most common form of output device.

"Digital video cameras" refer to digital camcorders and small digital video cameras used in conjunction with computers and other devices.

A graphics tablet is also called a digitizing tablet.