Term
| Computer operating instructions are called programs. |
|
Definition
|
|
Term
| Computer programs are called: |
|
Definition
|
|
Term
| As image noise increases, contrast decreases: |
|
Definition
|
|
Term
| Image noise has a tremendous effect on density. |
|
Definition
|
|
Term
| Computer equipment is called software: |
|
Definition
|
|
Term
| Computer equipment is called hardware: |
|
Definition
|
|
Term
| As window level increases, image density degreases. |
|
Definition
| False-they have a direct relationship. |
|
|
Term
| The most familiar computer input device is a keyboard. |
|
Definition
|
|
Term
| A digital image is one that has been converted into a picture for transmission or processing. |
|
Definition
| False, it is converted into numerical values for transmission or processing. |
|
|
Term
| As window width increases, image contrast decreases. |
|
Definition
| True, inverse relationship |
|
|
Term
| A pixel is a square series of boxes that gives form to the image. |
|
Definition
|
|
Term
| As matrix size increases, image resolution increases. |
|
Definition
|
|
Term
| The individual matrix boxes are known as pixels. |
|
Definition
|
|
Term
| In medical imaging, each pixel value corresponds to a three-dimensional volume of tissue known as a voxel. |
|
Definition
|
|
Term
| Which types of information are used by computers? |
|
Definition
| operating instructions and collected facts. |
|
|
Term
| Computers operate from a ______ language. |
|
Definition
|
|
Term
| Each binary number is called a : |
|
Definition
|
|
Term
| An eight bit word is called a |
|
Definition
|
|
Term
| When the main power to the computer is turned off, _____ is erases. |
|
Definition
|
|
Term
| When the main power to the computer is turned off, _____ is maintained. |
|
Definition
|
|
Term
| Which system of conductors connects the various components of a computer system? |
|
Definition
|
|
Term
Which does not store memory?
a. floppy disk
b. diskette
c. optical disk
d. mouse |
|
Definition
|
|
Term
Which is not used as an input device?
a. keyboard
b. voice activation
c. touch screen
d. laser disk |
|
Definition
|
|
Term
Which is not an output device?
a. CRT screen
b. ultrasound transducer
c. printer
d. laser film |
|
Definition
|
|
Term
Detectors can detect information from which source?
a. ionizing radiation
b. ultrasonic waves
c. radiofrequencies
d. all of the above |
|
Definition
|
|
Term
Computed Radiography detectors can detect information from which source?
a. ionizing radiation
b. ultrasonic waves
c. radiofrequencies
d. all of the above |
|
Definition
|
|
Term
| Detectors acquire information by: |
|
Definition
| Scanning and array detection |
|
|
Term
|
Definition
|
|
Term
| The window level controls: |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Window width changes are sometimes called: |
|
Definition
| gray-scale expansion, enhancing visibility of detail, and gray scale compression. |
|
|
Term
| Resolution is controlled by ______ size. |
|
Definition
|
|
Term
| Fuji systems (CR) was developed in the: |
|
Definition
|
|
