Test your basic knowledge |

Digital Image Processing

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What are the two types of information computers use?






2. What directs information to and from various parts of the computer?






3. Noise is measured as what?






4. What is the system of conductors that connects the various components of a computer system and permits the CPU to accept inputs from any point along the conductor?






5. The ____ is the heart of the computer while the ___ is the vessels.






6. What is the frequency response of the incoming signal called?






7. What is a square series of boxes that gives form to the image?






8. What is an individual matrix box or picture element?






9. Computerized digital images are described in terms of what






10. DICOM imaging now includes compatibility via a database system that includes linage of the patient images with the patient's EMR. This database system is called what?






11. What is the raw data to which a Fourier Transformation is applied to create the digital image?






12. When detectors acquire their information through ____ they are receiving all the info at once.






13. What input device do radiographers use on a normal basis?






14. What are the 3 classifications of digitized image filters?






15. What is the 'noisiest' component of a digital system?






16. Each box of an image matrix will display a ____ ____ which can be transformed into a visual brightness or density level.






17. Scanners - mouse - keyboard - input memory disk drive - and paper printers are all forms of what?






18. When detectors acquire their information by ____ they are receiving info from a specific area.






19. What does a 1 in binary code stand for?






20. Which memory can only be extracted without alteration; cannot change?






21. Density and contrast of the digital image are controlled by varying the ____ ____ of each pixel.






22. What is the random background information that does not contribute to the image quality?






23. Which type of information consists of collected facts?






24. What is the 'heart' of every computer?






25. When detectors acquire their information through ____ they are receiving all the info at once.






26. What provides specific instructions for calculations and sequential steps to be followed?






27. Which type of filter amplifies or deletes all but a selected range or band of frequencies and is useful in the elimination of characteristic emission peaks?






28. Binary systems operate with a ___-symbol language.






29. A larger matrix provides ____ pixels.






30. Extremely narrow window width requires the computer to ignore a ___ ____ of data outside the chosen range.






31. What is the 'noisiest' component of a digital system?






32. Each pixel is capable of representing a wide range of what?






33. Computer programs are called what?






34. Which computers handle data composed of continuously varying electrical currents?






35. A __ _____ disk will store over 10000000 bytes of information.






36. What does a 1 in binary code stand for?






37. What modalities are array processors useful for?






38. The human visual range is ___ or fewer shades of gray.






39. What is the random background information that does not contribute to the image quality?






40. What type of scanning increases resolution but can't be used in real-time dynamic studies?






41. Computerized digital images are described in terms of what






42. Commercial systems often have a S/N of ____ but the HR systems used in digital fluoro have a S/N between ________.






43. What is the information stored as magnetic variations referred to as?






44. Which memory replaces new information with the old; can change?






45. Changes in window width are sometimes called gray scale ____ or ____.






46. Around what time did digital computerization come out for CT and US?






47. What is the raw data to which a Fourier Transformation is applied to create the digital image?






48. Noise is ____ related to contrast.






49. Computer equipment is called what?






50. What is the name of the 'modern electronic computer'?







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests