Digital Radiography And PACS Review - Questions
With Verified Solutions
A charge-coupled device does all of the following except? Correct Answer
- Convert light into x-ray photons
The number of electron/hole pairs is related to the amount of: Correct
Answer - Light Absorbed
The layer in a CCD chip that contains the electron gates is the: Correct
Answer - Polysilicon Layer
The insulating layer in a CCD chip is the: Correct Answer - Silicon
Dioxide Layer
A system that used scintillators that convert X-rays to light, light to electric
charge, and store the charge in capacitors is known as a: Correct Answer
- CMOS
A solid chemical element or compound doped with impurities that make it
hightly conductive is known as: Correct Answer - Semiconductor
Most CMOS detectors use both N-type and P-type transistors to form the
electrically controlled gate. Correct Answer - True
Which of the two technologies, CCDs or CMOS, is more susceptible to noise,
has a lower light sensitivity, uses very little power, and is inexpensive to
manufacture? Correct Answer - CMOS
A generic term that is used to describe a programmable electronic device that
can store, retrieve, and process data is a: Correct Answer - Computer
How many bits are in a single byte? Correct Answer - 8
What keeps the radio frequencies generated within the computer electronics
from interfering with outside devices? Correct Answer - The case
, What is the largest circuitry board inside the computer? Correct Answer
- Motherboard
What device runs the start-up instructions during boot-up of the computer?
Correct Answer - BIOS
Random access memory will retain stored information after the computer has
been shut down. Correct Answer - False
Which is considered the most versatile type of port found on a computer?
Correct Answer - USB
The network card is designed to take the brunt of the force during a power
surge. Correct Answer - False
What are the types of computer mice? Correct Answer - Infrared,
mechanical, optical
Which type of monitor is most common in hospitals? Correct Answer -
LCD
What are network classifications based on geographic location? Correct
Answer - LAN, WAN, MAN
On a server-based network, each computer is considered equal. Correct
Answer - False
Which type of network does a centralized computer have control over the
entire network? Correct Answer - Peer-to-peer and Client-based
What type of computer found on a network can work independently of the
network and process/manage its own files but still share printing and
storage? Correct Answer - Thick Client
Which network communcation medium has a single conductive wire
surrounded by a grounded shield of braided wire? Correct Answer -
Coaxial Cable
With Verified Solutions
A charge-coupled device does all of the following except? Correct Answer
- Convert light into x-ray photons
The number of electron/hole pairs is related to the amount of: Correct
Answer - Light Absorbed
The layer in a CCD chip that contains the electron gates is the: Correct
Answer - Polysilicon Layer
The insulating layer in a CCD chip is the: Correct Answer - Silicon
Dioxide Layer
A system that used scintillators that convert X-rays to light, light to electric
charge, and store the charge in capacitors is known as a: Correct Answer
- CMOS
A solid chemical element or compound doped with impurities that make it
hightly conductive is known as: Correct Answer - Semiconductor
Most CMOS detectors use both N-type and P-type transistors to form the
electrically controlled gate. Correct Answer - True
Which of the two technologies, CCDs or CMOS, is more susceptible to noise,
has a lower light sensitivity, uses very little power, and is inexpensive to
manufacture? Correct Answer - CMOS
A generic term that is used to describe a programmable electronic device that
can store, retrieve, and process data is a: Correct Answer - Computer
How many bits are in a single byte? Correct Answer - 8
What keeps the radio frequencies generated within the computer electronics
from interfering with outside devices? Correct Answer - The case
, What is the largest circuitry board inside the computer? Correct Answer
- Motherboard
What device runs the start-up instructions during boot-up of the computer?
Correct Answer - BIOS
Random access memory will retain stored information after the computer has
been shut down. Correct Answer - False
Which is considered the most versatile type of port found on a computer?
Correct Answer - USB
The network card is designed to take the brunt of the force during a power
surge. Correct Answer - False
What are the types of computer mice? Correct Answer - Infrared,
mechanical, optical
Which type of monitor is most common in hospitals? Correct Answer -
LCD
What are network classifications based on geographic location? Correct
Answer - LAN, WAN, MAN
On a server-based network, each computer is considered equal. Correct
Answer - False
Which type of network does a centralized computer have control over the
entire network? Correct Answer - Peer-to-peer and Client-based
What type of computer found on a network can work independently of the
network and process/manage its own files but still share printing and
storage? Correct Answer - Thick Client
Which network communcation medium has a single conductive wire
surrounded by a grounded shield of braided wire? Correct Answer -
Coaxial Cable
