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Computers 101 Practice Test: Input and Output
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Computers 101 Practice Test: Input and Output
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25 Questions

1. The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), and ____.
2. Plasma displays use a layered technology like LCD and ____ and look similar to LCD displays.
3. A(n) ____ is used to display output from a computer to a wall or projection screen
4. The Internet café has recently enacted a new policy that says that all users must use the ____ attached to their computers when carrying out activities on the computer that will provide sound, so as to not disturb the other users.
5. A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.
6. A ____ is an optical code that represents data with bars of varying widths or heights.
7. ____ are the standard for business documents and come in both personal and network styles.
8. Digital still cameras most often use ____ cards for storage.
9. A(n) ____ uses charged liquid crystals located between two sheets of clear material to light up the appropriate pixels to form the image on the screen.
10. A ____ is the smallest colorable area on a display device.
11. With a ____, the user touches the screen with his or her finger to select commands or otherwise provide input to the computer with which it is being used.
12. A(n) ____ keyboard folds or rolls up and connects to a device via a wired or wireless connection when needed.
13. ____ are the most common type of flat-panel technology used for small- to medium-sized computer monitors.
14. A difference between CRT monitors and flat-panel displays is that most flat-panel displays use digital signals to display images, while CRT monitors use ____.
15. One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares.
16. Print speed is typically measured in ____.
17. The display device for a desktop computer is formally called a ____.
18. A ____ is designed to scan flat objects one page at a time.
19. The Internet café provides ____ on some computers so that users can both listen and talk through the device during a telephone call made through the computer without disturbing other users.
20. In a printer, the print ____ affects the quality of the printed output.
21. Wireless displays connect to a computer using a wireless networking connection such as Wi-Fi or ____.
22. A ____ rests on the desk or other flat surface close to the user’s computer and is moved across the surface with the user’s hand in the appropriate direction to point to and select objects on the screen.
23. The ____ used to be the norm for desktop computers.
24. ____ form images by spraying tiny drops of liquid ink onto the page, one printed line at a time.
25. Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.

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