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RAD130 Chapter 28/29 Flashcards | StudBud
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RAD130 Chapter 28/29
RAD130 Chapter 28/29
43 terms
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1
What does a LAN do?
Commonly used Bluetooth to connect mice, keyboards, etc
Connects multiple wireless devices and uses an access point
Wired network consisting of a switch and network devices in a limited area
Connects multiple wireless access points together to expand the network
2
A matrix is a pattern of celss laid out in rows and columns that cover the entire area of the image?
True
False
3
Printer - Is it an Input or Output Device of a Computer ?
Input Device
Input
Printing
Output Device
4
What is the
purpose
of Direct Memory Access (DMA) transfer mode?
Transfers data from a floppy drive to a hard drive
Holds data in RAM until processed to HDD
Transfersdata from drive to memory without involving CPU
Uses RAM to transfer data from Flash Drive to screen
5
The term windowing describes the practice of
varying the automatic brightness control
increasing resolution
changing the image contrast and/or brightness
varying the FOV
6
Was ist LAN ?
Local Area Network
Local Account Network
Local Argument Nation
Local Automatic Net
7
The number of bits that determine the precision in digitizing the analog signal and shades of grey that can be displayed
Analog to digital converter
Matrix
Binary code
Bit depth
8
The wider window the width will:
lengthen grayscale
shorten grayscale
decrease in illumination
increase in brightness.
9
What is the difference between DVD R and DVD RW
R can only be recorded once and RW can record many times.
Trick question they are both the same.
R can only be recorded on once and RW can't be recorded on.
R is higher quality than RW.
10
Larger matrix=Smaller pixels= improved sharpness
True
False
11
What are the steps in digitizing an Image?
Scanning, Sampling, and Quantization
Conduction, Sampling, Scanning
Scanning, Sampling, and Quantization
Pixel, Matrix, Resolution Contrast, and Scanning
12
What does WAN stand for?
World area News
World also News
Obi Wan Kenobi
Wide Area Network
13
What is a computer ?
A notebook
Shoes
An electronic device that manipulates imformation , or data .
Food
14
Enter(put) data into a computer.
input
storage
processing
15
Anything that interferes with the formation of the image.
Noise
Motion
Loudness
Artifacts
16
Window width parameters control the image:
Darkness
Density
Brightness
Contrast
17
What is the purpose of a WAN?
To provide a secure link between end devices
There ain't no purpose
To connect to a relatively large geographical area
To connect to a relatively small network
18
Use for RAM?
the program required to initially boot the computer
Reads data quickly to run applications,It reads and writes.
It only allows reading.
storage that cannot be easily altered or reprogrammed
19
I am volatile. Am I RAM or ROM?
RAM
ROM
20
Windowing is the manipulation of an image. Window width refers to
Resolution
Brightness
Dynamic range
Grayscale
21
Scanner- Is it an Input or Output Device of a Computer ?
Output
Input Device
To Copy a Picture
Output Device
22
What is R in CD-R
Recordable
Resistor
rewritable
23
RAM stands for?
Random Access Memory
Instant memory
24
what is a ROM?
Read Only Memory
Ride on Maleficent
Right on the map
25
Microphone - Is it an Input or Output Device of a Computer ?
Output Device
Input Device
Speak into it
Output
26
A computer's memory is its what?
Random access memory
Machine Language
Source Code
Object Code
27
Speaker - Is it an Input or Output Device of a Computer ?
Output Device
Input
Input Device
Sound Equipment
28
Histogram, LUT, windowing, subtraction, and temporal processing are types of:
global processing operations
local processing operations
point processing operations
geometric processing operations
29
What computer part is this?
CPU
Graphics Card
Mother Board
Hard Drive
30
What computer part is this?
Processor
CPU
Ram
USB
31
Do you need RAM for your computer to work?
yes
no
32
What is the CPU???
The copper pencil unit.
A person who works with numbers.
The central processing unit of the computer.
An important part of the computer.
33
How does a computer know what to do?
It automatically knows what to do
It must be given instructions
Magic
Programs/Software
34
What is an ALGORITHM?
A country in Europe
A recipe of 0's and 1's
a set of instructions for solving a problem or accomplishing a task.
Hacker's code
35
a Radiogrpaher should know that PACS, RIS and HIS are part of a ?
DMA
LAN
ADC
WAN
36
The CPU is installed on what?
Case
Motherboard
In the RAM slot
The command Center
37
How many bits in two bytes?
16
8
32
64
38
1 byte=8 bits, how many bytes are there in 24 bits?
2
72
8
3
39
Gigahertz is.....
1 billion cycles per second
1 cycle per second
1 trillon cycles per second
a lot
40
Fill in the blank.
digitizing
quantization
finding the bit depth
sampling
41
whats considered the brain of the computer?
Motherboard
Power Supply
The Case
Microprocessor
42
A step in digitizing an analog image where the image is divided up into a matrix of pixel cells
Windowing
Scanning
Sampling
Quantizing
43
How many bits are in a byte?
8
78
7
4
