worksheet05CompletionComplete each statement.1. A(n) _________________________ is an input device that contains keys users press to enter data into a computer.2. A(n) _________________________ is a keyboard designed specifically for users that enjoy playing games onthe computer.3. A(n) _________________________ is a handheld input device that can detect the presence of light.4. _________________________ is the process of entering data by speaking into a microphone.5. With _________________________, smart phone users can send graphics, pictures, video clips, and sound files, as well as short messages, to another smart phone.6. A(n) _________________________ allows users to take pictures and store the photographed images digitally,instead of on traditional film.7. _________________________ is the process of capturing full-motion images into a computer and storing them on a storage medium such as a hard disk or DVD.8. One type of adapter card that has a video capture port is a(n) _________________________ card, which converts an analog video signal into a digital signal that a computer can use.9. A(n) _________________________ camera records video as digital signals instead of analog signals.10. A(n) _________________________, also called a PC video camera, is a type of digital video camera that enables a home or small business user to capture video and still images, send e-mail messages with video attachments, add live images to instant messages, broadcast live images over the Internet, and make video telephone calls.11. A(n) _________________________ is a meeting between two or more geographically separated people who use a network or the Internet to transmit audio and video data.12. A(n) _________________________ is a device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process.13. _________________________ is a technology that involves reading typewritten, computer-printed, or hand-printed characters from ordinary documents and translating the images into a form that the computer can process.14. A(n) _________________________ reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards.15. _________________________ devices read text printed with magnetized ink.16. A(n) _________________________ converts MICR characters into a form the computer can process.17. Most retail stores use a(n) _________________________ to record purchases, process credit or debit cards, and update inventory.18. _________________________ is the technology of authenticating a person’s identity by verifying a personal characteristic.19. A(n) _________________________ captures a live face image and compares it with a stored image to determine if the person is a legitimate user.20. A(n) _________________________ works similarly to an iris recognition system, but instead scans patterns of blood vessels in the back of the retina.MatchingIdentify the letter of the choice that best matches the phrase or definition.a. enhanced k. smart cardb. pointer l. turnaroundc. light pens m. digitald. digital pen n. Web came. MIDI o. resolutionf. pixels p. sound cardg. text q. continuoush. OCR r. trackballi. keyguard s. opticalj. bar code t. toggle____ 21. Most of today’s desktop computer keyboards are this kind of keyboard____ 22. This kind of mouse does not have moving mechanical parts inside____ 23. With a mouse, users control the movement of this____ 24. What a PC must have to enter high-quality sound____ 25. Software that conforms to this standard allows users to compose and edit music and many other sounds____ 26. The higher this is, the better the image quality and the more expensive the camera____ 27. The unit of measurement ppi measures the number of these in one inch of screen display____ 28. Attracts Web site visitors by showing images that change regularly____ 29. Once OCR software converts scanned images to this kind of file, the file can be edited____ 30. Where biometric data is sometimes storedworksheet05Answer SectionCOMPLETION1. keyboard2. gaming keyboard3. light pen4. Voice input5. picture messaging6. digital camera7. Video input8. video capture9. digital videoDVDV (digital video)digital video (DV)10. Web cam11. video conference12. optical reader13. OCR optical character recognitionOCR (optical character recognition)optical character recognition (OCR)14. magnetic stripe card readermagstripe reader15. MICRMagnetic-ink character recognitionMICR (Magnetic-ink character recognition)Magnetic-ink character recognition (MICR)16. MICR reader17. POS terminal18. Biometrics19. face recognition system20. retinal scannerMATCHING21. A22. S23. B24. P25. E26. O27. F28. N29. G30.
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