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. When power is turned off - (ROM / RAM) is erased and (ROM / RAM) is maintained






2. Noise is ____ related to contrast.






3. Noise is ____ related to contrast.






4. Computer equipment is called what?






5. What type of scanning increases resolution slightly by scanning all 525 lines in order?






6. When was ENIAC invented?






7. What is the 'read-only' memory that contains basic operating instructions that are almost never changing?






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






9. The computer either ____ or ____ selected frequencies during the filtering process.






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






11. Because the range of stored densities is so much wider than the visual range - any digital image is only a small part of the total data obtained - each image is a _____ on the total range of data.






12. Fluoroscopic noise mostly comes from what?






13. Noise is measured as what?






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






15. In what time period did mathematical theory and solid-state electronics come out?






16. What is the name for an 8-bit word?






17. Digitalization of analog information (increases / reduces) the quality and quantity of information?






18. Computerized digital images are described in terms of what






19. What is the name for a binary digit?






20. What is the primary limitation with the resolution on digital images?






21. Which type of information consists of operating instructions?






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






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






24. What changes the pixel value by multiplication or division and controls image contrast?






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






26. The computer either ____ or ____ selected frequencies during the filtering process.






27. The number of shades of gray is determined by what?






28. What 3 things were required prior to digital computer applications in medical imaging?






29. What was the earliest computer device called?






30. What is critical to how fast the computer system can function?






31. What is the digital standard for imaging that is designed to ensure that all equipment fro all manufacturers who choose to adhere to the standard are speaking the same computer language?






32. Computer memory is often rated in terms of total ____ memory.






33. What are the two ways detectors acquire information?






34. What are devices such as keyboard - touch screen monitors - and voice-activation that you put into or connect to a computer?






35. Computers operate from ____ ____ language.






36. Resolution is controlled by what?






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






38. What is an image that has been converted into numerical values for transmission or processing?






39. What type of scanning increases resolution slightly by scanning all 525 lines in order?






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






41. What can memory be transferred as?






42. Which type of filter amplifies or deletes all but low frequencies - appears to reduce contrast - and is often used to remove high frequency nose.






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






44. What type of memory storage devices are required for large amounts of data?






45. A larger matrix provides ____ pixels.






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






47. If the window level increases - density will _____.






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






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






50. In what time period did microchip technology come out?







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