Digital radiography and PACS
EXAM QUESTIONS WITH
CORRECT ANSWERS||100%
GUARANTEED PASS||UPDATED
2025/2026 SYLLABUS||A+
GRADED||<<NEWEST VERSION>>
Type of noise associated with quantum mottle - ANSWER ✓ statistical noise
The readout process is known as the bucket brigade scheme associated with which
conversion system - ANSWER ✓ CCD
The acronym CMOS stands for - ANSWER ✓ complimentary metal oxide
semiconductor
The lower the cost of the CCD, the higher the number of defects - ANSWER ✓
true
Scintillation phosphors used in indirect capture elements - ANSWER ✓
gadolinium oxysulfide (Gd2O2S)
cesium iodide (CsI)
Proper orientation of the cassette/IR in relation to the body part being imaged
decreases post processing manipulation of the image - ANSWER ✓ true
Collecting element that is a charge sensitive device that collects electrons -
ANSWER ✓ TFT
PSP systems are more sensitive to low levels of radiation than film screen
radiography so the use of grids is more critical. Grid selection factors include -
ANSWER ✓ grid focus
grid frequency
,grid ratio
Increase in collimation results in - ANSWER ✓ increase in image contrast
because of the reduction of scatter
Shuttering is an acceptable replacement for poor collimation - ANSWER ✓ false
Created by x-ray photons transmitted through the back of the cassette, can cause
dark line artifacts on an image - ANSWER ✓ backscatter
The insulating layer in a CCD chip is the - ANSWER ✓ silicon dioxide layer
Generic term used to describe a programmable electronic device that can store,
retrieve, and process data is a - ANSWER ✓ computer
How many bits are in a single byte - ANSWER ✓ 8
Designed to take the brunt of the force during a power surge - ANSWER ✓ power
supply
Input device - ANSWER ✓ keyboard
mouse
barcode reader
microphone
output device - ANSWER ✓ speakers
printer
Processing device - ANSWER ✓ CPU
motherboard
Device that runs the start up instructions during boot up of the computer -
ANSWER ✓ BIOS
Once the computer has been shut off, the ram is wiped clean - ANSWER ✓ true
Large circuitry board inside the computer - ANSWER ✓ motherboard
, Machine language of 1s and 0s - ANSWER ✓ binary code
Slowest part of a PC because it has both electrical and mechanical parts -
ANSWER ✓ hard drive
Shields the outside environment from radio frequencies emitted by computer
components - ANSWER ✓ the case
The brain of the computer - ANSWER ✓ CPU (central processing unit)
Series of connections, controllers, and chips that create the information highway -
ANSWER ✓ the bus
Special memory chip that houses the system clock that keeps track of date and
time - ANSWER ✓ CMOS
Software that controls the computer hardware and acts as a bridge between
applications and the hardware - ANSWER ✓ OS (operating system)
Main repository for programs and documents on a PC - ANSWER ✓ hard drive
2 or more objects sharing resources and information - ANSWER ✓ network
LAN, MAN, and WAN all fall under which type of network classification -
ANSWER ✓ geometric
Computer that can work independently of the network and process/mange its own
files - ANSWER ✓ thick client
Most delicate/fragile network communication medium - ANSWER ✓ fiber optic
cable
Data travels along the network using an agreed on set of rules - ANSWER ✓
network protocol
Become almost universally accepted standard for exchanging medical images
among networked medical devices - ANSWER ✓ DICOM
EXAM QUESTIONS WITH
CORRECT ANSWERS||100%
GUARANTEED PASS||UPDATED
2025/2026 SYLLABUS||A+
GRADED||<<NEWEST VERSION>>
Type of noise associated with quantum mottle - ANSWER ✓ statistical noise
The readout process is known as the bucket brigade scheme associated with which
conversion system - ANSWER ✓ CCD
The acronym CMOS stands for - ANSWER ✓ complimentary metal oxide
semiconductor
The lower the cost of the CCD, the higher the number of defects - ANSWER ✓
true
Scintillation phosphors used in indirect capture elements - ANSWER ✓
gadolinium oxysulfide (Gd2O2S)
cesium iodide (CsI)
Proper orientation of the cassette/IR in relation to the body part being imaged
decreases post processing manipulation of the image - ANSWER ✓ true
Collecting element that is a charge sensitive device that collects electrons -
ANSWER ✓ TFT
PSP systems are more sensitive to low levels of radiation than film screen
radiography so the use of grids is more critical. Grid selection factors include -
ANSWER ✓ grid focus
grid frequency
,grid ratio
Increase in collimation results in - ANSWER ✓ increase in image contrast
because of the reduction of scatter
Shuttering is an acceptable replacement for poor collimation - ANSWER ✓ false
Created by x-ray photons transmitted through the back of the cassette, can cause
dark line artifacts on an image - ANSWER ✓ backscatter
The insulating layer in a CCD chip is the - ANSWER ✓ silicon dioxide layer
Generic term used to describe a programmable electronic device that can store,
retrieve, and process data is a - ANSWER ✓ computer
How many bits are in a single byte - ANSWER ✓ 8
Designed to take the brunt of the force during a power surge - ANSWER ✓ power
supply
Input device - ANSWER ✓ keyboard
mouse
barcode reader
microphone
output device - ANSWER ✓ speakers
printer
Processing device - ANSWER ✓ CPU
motherboard
Device that runs the start up instructions during boot up of the computer -
ANSWER ✓ BIOS
Once the computer has been shut off, the ram is wiped clean - ANSWER ✓ true
Large circuitry board inside the computer - ANSWER ✓ motherboard
, Machine language of 1s and 0s - ANSWER ✓ binary code
Slowest part of a PC because it has both electrical and mechanical parts -
ANSWER ✓ hard drive
Shields the outside environment from radio frequencies emitted by computer
components - ANSWER ✓ the case
The brain of the computer - ANSWER ✓ CPU (central processing unit)
Series of connections, controllers, and chips that create the information highway -
ANSWER ✓ the bus
Special memory chip that houses the system clock that keeps track of date and
time - ANSWER ✓ CMOS
Software that controls the computer hardware and acts as a bridge between
applications and the hardware - ANSWER ✓ OS (operating system)
Main repository for programs and documents on a PC - ANSWER ✓ hard drive
2 or more objects sharing resources and information - ANSWER ✓ network
LAN, MAN, and WAN all fall under which type of network classification -
ANSWER ✓ geometric
Computer that can work independently of the network and process/mange its own
files - ANSWER ✓ thick client
Most delicate/fragile network communication medium - ANSWER ✓ fiber optic
cable
Data travels along the network using an agreed on set of rules - ANSWER ✓
network protocol
Become almost universally accepted standard for exchanging medical images
among networked medical devices - ANSWER ✓ DICOM
