Chapter 6 quiz with complete solutions 2023

Chapter 6 quiz with complete solutions 2023In a flat-panel detector, specialized silicon integrated circuits control ______. 1 Line scanning sequence 2 Readout 3 Amplification 4 Analog-to-digital conversion 1 Line scanning sequence Flat-panel detectors that use indirect conversion technology convert ______. 1 Electrical signals to light 2 Light to x-rays 3 X-rays to electrical signals 4 X-rays to visible light 4 X-rays to visible light Indirect conversion in flat-panel detectors is a ______-step process. 1 One 2 Two 3 Three 4 Four 2 Two The type of flat-panel detector that uses thin films of silicon integrated with arrays of photodiodes is known as a ______. 1 CsI detector 2 Charge-coupled device 3 CMOS 4 Amorphous silicon detector 4 Amorphous silicon detector In cesium iodide detectors, ______. 1 There is very little of light spread. 2 Crystalline needles block light from the detector. 3 x-rays are converted into an electrical signal. 4 Light spread causes resolution to decrease. 1 There is very little of light spread. A highly efficient indirect conversion system that takes up less fill space than CCDs is known as a ______. 1 Charge-coupled device 2 Field-effect transistor 3 CMOS 4 Thin-field transistor 3 CMOS Which of the following flat-panel detector technologies was developed by NASA? 1 Charge-coupled device 2 Field-effect transistor 3 CMOS 4 Thin-field transistor 3 CMOS A device that includes a photosensitive array and small pixels that convert light into electrical charges is known as a ______ transistor. 1 Thin-field 2 Field-effect 3 Thin-film 4 Field-energy 2 Field-effect Which statement best describes a charge-coupled device (CCD)? 1 It is the oldest direct conversion technology that is still in use today. 2 It is the oldest direct conversion technology with limited use today. 3 It is the oldest indirect conversion technology that is no longer used in medical imaging. 4 It is the oldest indirect conversion technology used in a variety of image capture applications. 4 It is the oldest indirect conversion technology used in a variety of image capture applications. A device that acts like a camera in an indirect conversion detector is known as a: 1 CCD. 2 field-effect transistor. 3 CMOS 4 thin-field transistor. 1 CCD.