Final Flashcards

(102 cards)

0
Q

Digital imaging system have significantly greater latitude than film/screen imaging systems

A

True

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1
Q

A small matrix with large pixels delivers the highest quality image resolution

A

False

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2
Q

an individual pixel can only display one shade of black, gray, or white at a time

A

True

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3
Q

an algorithm is anatomy specific

A

True

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4
Q

CR plates are erased and made ready for re-use by exposure to gamma radiation

A

False

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5
Q

The capture element of CR digital imaging is –

A

europium barium fluorohalide

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6
Q

Cable designed for use w/a local area network (LAN) is –

A

Ethernet Cable

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7
Q

– a small image representing a file, command…

A

Icon

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8
Q

The interface between the user and the computer hardware is the –

A

Operating system

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9
Q
  • the most commonly used pointing device
A

The mouse

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10
Q

Within a computer, everyday “housekeeping” jobs are performed by –

A

Utility program

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11
Q

The process of starting a computer is known as –

A

boot

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12
Q

An interface displaying a graphic desktop is known as a –

A

GUI

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13
Q

The first that happens when a windows operating computer is booted is –

A

BIOS is activated

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14
Q

A person operating a computer system is the –

A

user

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15
Q

A computer that performs specific tasks within another object is known as an –

A

embedded computer

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16
Q

The computer hardware is

A

equipment that Can be seen or touched

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17
Q

The GUI used by Microsoft –

A

Windows

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18
Q

Information entered into a computer to be processed is known as –

A

data

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19
Q

The type of printer that sprays ink onto paper –

A

inkjet

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20
Q

The brains of a computer where info is processed and decisions are made –

A

processor

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21
Q

The rules that govern the sharing of data across a network are known as –

A

transfer protocol

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22
Q

Programs that give directions to the computer are known as –

A

software

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23
Q

The process of inputting sound into a computer is –

A

audio input

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24
The GUI used by apple brand –
Mac
25
The type of printer that uses toner is known as –
laser printer
26
A monitor is not an input device, but a keyboard, mouse, and scanner are
A monitor is not an input device, but a keyboard, mouse, and scanner are
27
The pointing device that works like an upside down mouse is a –
trackball
28
Two or more linked computers are known as a –
network
29
Computers that allocate resources on a network are known as –
servers
30
The portion of computer that contains the cpu and memory is known as the –
motherboard
31
The cable that connects computer monitor is the –
HDMI cable
32
RAM –
random access memory
33
CRT –
Cathode Ray Tube
34
Language translator –
program used to translate binary to English
35
The portion of computer that contains the CPU and memory is –
motherboard
36
A small image representing a file, command, or function known as a –
Icon
37
The worlds largest network is known as the –
internet
38
Computers on a network are known as –
Nodes
39
A network used exclusively by members of an organization is known as a –
intranet
40
An interface displaying a graphic desktop to the user us known as –
GUI
41
Computers that allocate resources on a network are known as –
servers
42
A person operating the computer system is known as –
user
43
A computer that performs specific tasks within another object is known as –
embedded computer
44
Data may consist of –
Text, video, images
45
Briefly describe electronic communication
.
46
Briefly describe computer
.
47
Briefly describe output
.
48
The software program that allows a computer to access and surf the internet is known as –
browser
49
The internet standard that allos users to upload and download docs is –
FTP
50
Computers that allocate resources on a network are known as –
servers
51
The company that provides internet access servicing is known as –
internet service provider
52
Information left behind in your computers memory to allow faster website is known as –
cookie
53
The website that first opens and is displayed on your GUI when accessing the internet is –
home page
54
The address for a website on the world wide web is known as –
URL
55
A method of storing frequently accessed internet websites on your computer is –
favorites
56
A portion of RAM set aside to temporarily hold info read from a disk is known as –
disk cache
57
Briefly describe hyperlink
.
58
Briefly describe HTML
.
59
Briefly describe what is meant by the internet term address bar
.
60
Briefly describe the internet term VOIP
.
61
Briefly describe the internet term hacker
.
62
Briefly describe language translator
.
63
The capture element/scintillating phosphor for Indirect DR digital –
amorphous silicon
64
Measuring the distance from center of a pixel to the center of the adjacent –
pixel pitch
65
Individual thin film detectors (TFT) elements are known as –
Detector Elements (DELS)
66
The Exposure indicator of Agfa is –
LGM
67
The wavelength of a laser light in a CR processor –
600nm
68
The weakening of a stored latent image –
fading
69
In a CR system, stored electron energy is trapped in the -
F centers
70
The wavelength of visible light emitted by photostimulated luminescence is approximately -
400nm
71
The number of grays that a pixel is capable of demonstrating is
One shade per pixel
72
In a CR system visible light emitted by the imaging plate is collected and channeled by –
light gate
73
The digital imaging system that uses amorphous selenium –
direct conversion DR
74
The CR digital imaging a “perfect” exposure indicator measures radiation to the IP at a dose of -
1mR
75
The perfect exposure indicator value with Agfa CR -
2.2LGM
76
Within a CR digital imaging cassette is found –
imaging plate/PSP plate
77
The laser found within a CR digital imaging processor is –
helium neon
78
The digital image system that does not use visible light –
direct conversion DR
79
The process of translating an analog image into a binary code is known as –
digitizing
80
The electrical component with the function of temporarily storing a charge is the –
capacitor
81
The imaging system that uses TFT array for image formation is –
direct conversion DR
82
The amount of radiation received by the CR digital imaging plate is measured as the –
exposure indicator
83
The smallest component of a digital xray image is known as a –
pixel
84
????? All of the following terms are synonymous with digital image contrast ability except – pixel depth, dynamic range, spatial resolution, bit range?????
.
85
The phosphor material found within a CR digital imaging plate is –
europium barium fluorohalide
86
Information expressed in a variable physical quantities –
analog
87
In a CR digital imaging system, the latent image is held within the –
photostimulable phosphor
88
The 3 dimensional pieces of digital info obtained by CT scan are known as –
voxels
89
The smallest possible piece of digital info is –
pixel
90
Info expressed in variable numeric quantities is known as –
digital
91
????? The collection element of Direct DR is –?????
.
92
In a CR processor, light energy is converted to electrical energy by the –
photomultiplier tube
93
The file of anatomy dependent predetermined digital image values stored in the imaging computer is known as –
Look up table
94
The number of pixels per given area is expressed as –
pixel density
95
The crossed rows and columns of a digital imaging are known as –
matrix
96
The graphic representation of digital image densities and frequency of density occurance is known as –
histogram
97
The mathematical formula used to processs the digital image is known as –
algorithm
98
The scintillating phosphor used in medical imaging specifically for the needle like crystals –
cesium iodide
99
The process by which a digital image system displays a visible image despite technique error is known as –
automatic rescaling
100
The exposure indicator of Fuji brand CR imaging products -
"s” number
101
?????Measuring the distance from one side to the other – pixel density?????
.