Deck 4: Input and Output

Question 1

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

Answer 1

True

Question 2

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

Answer 2

True

Question 3

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

Answer 3

False

Question 4

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

Question 5

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

Question 6

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.

Question 7

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.

Question 8

CRT monitors use digital signals to display images, which allows for sharper images.

Question 9

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

Question 10

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.

Question 11

In addition to a keyboard, most PCs today have some type of pointing device.

Question 12

A graphics tablet is typically connected to a computer via a USB port.

Question 13

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

Question 14

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

Question 15

Printer output is a type of soft copy.

Question 16

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

Question 17

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

Question 18

A graphics tablet is also called a digitizing tablet.

Question 19

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

Question 20

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

Question 21

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

Question 22

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

Question 23

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.

A) touch screen
B) graphics tablet
C) signature capture device
D) laser screen

Question 24

LCD displays do not use backlighting, which makes them energy efficient and lengthens the battery life of portable devices using these displays. _________________________

Question 25

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

Question 26

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

Question 27

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

Question 28

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

Question 29

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

Question 30

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

Question 31

Scanners produce images through either impact or nonimpact technologies. _________________________

Question 32

A(n) ____ keyboard folds or rolls up and connects to a device via a wired or wireless connection when needed.

A) slide-out
B) portable
C) MIDI
D) on-screen

Question 33

With handwriting recognition, the computer interprets handwritten pen input as individual characters. _________________________

Question 34

A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.

A) graphics table
B) graphics tablet
C) image tablet
D) touch screen

Question 35

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.

A) touch screen
B) virtual keyboard
C) stylus
D) mouse

Question 36

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

Question 37

Most printers today are impact printers. _________________________

Question 38

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. _________________________

Question 39

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

A) Alphanumeric
B) Number
C) Arrow
D) Function

Question 40

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

Question 41

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

A) sheetfed scanner
B) handheld scanner
C) flatbed scanner
D) C-Pen scanner

Question 42

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

A) Bluetooth
B) 3D
C) USB
D) VGA

Question 43

Digital camcorders are similar to conventional ____ camcorders.

A) electronic
B) manual
C) analog
D) binary

Question 44

The accompanying figure shows a portable ____ reader.

A) barcode
B) scanner
C) RFID
D) optimal mark

Question 45

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

A) bit depth
B) color concentration
C) pixel depth
D) byte resolution

Question 46

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

A) Gas plasmas
B) OLEDs
C) FOLEDs
D) LCDs

Question 47

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

A) touch screen
B) video reader
C) video input
D) monitor

Question 48

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

A) Optical character recognition (OCR) Devices
B) Optical mark readers (OMRs)
C) Magnetic ink character recognition (MICR) Readers
D) Biometric readers

Question 49

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.

A) organic light emitting diode (OLED) display
B) gas plasma display
C) digital television (DTV)
D) liquid crystal display (LCD)

Question 50

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

A) kilopixels
B) megapixels
C) gigapixels
D) terapixels

Question 51

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) tactile feedback screen
B) table PC
C) digitizing tablet
D) touch coding system

Question 52

Digital still cameras most often use ____ cards for storage.

A) flash memory
B) RAM memory
C) ROM memory
D) laser memory

Question 53

____ 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.

A) Biometric readers
B) RFID tags
C) MICR readers
D) OMRs

Question 54

The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), and ____.

A) HD-integrated
B) DVR
C) gas plasma
D) HDTV

Question 55

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

A) digital code
B) character code
C) bar table
D) barcode

Question 56

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

A) bit
B) dot
C) dpi
D) pixel

Question 57

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

A) monochrome
B) bichrome
C) flat color
D) 1D

Question 58

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

A) Monochrome
B) VGA
C) USB
D) GPU

Question 59

The ____ used to be the norm for desktop computers.

A) touch screen
B) flat-panel display
C) CRT monitor
D) LCD screen

Question 60

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) radio signals
B) analog signals
C) laser signals
D) infrared signals

Question 61

Barcodes are read with ____________________.

Question 62

The accompanying figure depicts a portable ____________________.

Question 63

Although other factors also affect the quality of digital photographs, the number of ____________________ does impact how large digital photos can be printed.

Question 64

A(n) ____ is used to display output from a computer to a wall or projection screen

A) data projector
B) SED
C) IMOD
D) scanner

Question 65

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

A) IMOD
B) OLED
C) PHOLED
D) SED

Question 66

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

A) Laser printers
B) Ink-jet printers
C) Dot-matrix printers
D) Line printers

Question 67

Print speed is typically measured in ____.

A) pages per minute (ppm)
B) dots per second (dps)
C) pixels per minute (ppm)
D) characters per second(cps)

Question 68

____________________ are used in consumer kiosks, point-of-sale (POS) systems and are useful for on-the-job applications, such as in factories, where using a keyboard or mouse is otherwise impractical.

Question 69

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

A) depth
B) size
C) palette
D) resolution

Question 70

A(n) ____________________ takes up less desk space than a mouse and is easier for some users to manipulate.

Question 71

____________________ are commonly attached to point-of-sale equipment so that they can electronically record signatures used to authorize credit card purchases.

Question 72

____________________, which contain tiny chips and radio antennas, can be attached to objects that need to be tracked.

Question 73

Some data projectors include an iPod ____ to connect a video iPod in order to project videos stored on that device.

A) port
B) dock
C) touch-screen
D) display

Question 74

____________________ is the process of entering audio data into the computer.

Question 75

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

A) Laser printers
B) Ink-jet printers
C) Dot-matrix printers
D) Line printers

Question 76

Because the output appears temporarily on a display device, it is sometimes referred to as ____________________.

Question 77

____________________ is the science of identifying individuals based on measurable biological characteristics.

Question 78

The text in a scanned image cannot be edited unless ____________________ software is used in conjunction with the scanner to input the scanned text as individual text characters.

Question 79

The idea behind pen-based input and ____________________ in general is to make using a computer as convenient as writing with a pen.

Question 80

The accompanying figure shows a(n) ____ printer.

A) dot-matrix
B) ink-jet
C) laser
D) thermal