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Introduction To Computers: Interacting With Computers
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Introduction To Computers: Interacting With Computers
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25 Questions

1. ________________ devices allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system
2. The ______________ devices can scan marks from a computer-readable paper.
3. The term __________________ is important primarily in that it distinguishes quiet printers from noisy and impact types of printers.
4. The user moves the ball with the help of the stick that can be moved _________________________, to move and position the cursor in the desired location.
5. ___________________ printers are the oldest print technologies still in active production.
6. The page printers are _______________ speed non-impact printers.
7. Daisy-wheel printer comes in the category of output device and quite similar to ______________ .
8. Another type of impact printer somewhat similar to the daisy-wheel is the _________ printer.
9. The ____________ is a pointing device that is much like an inverted mouse.
10. The _____________ pen is a small input device used to select and display objects on a screen.
11. _________________ are formed by heated elements being placed in contact with special heat sensitive paper forming darkened dots when the elements reach a critical temperature.
12. The printing speed of page printer is very high and the output is __________ at a time.
13. The role of semiconductor layer is to add polysilicon layer whose electron mobility is_____________times higher than that of an amorphous silicon layer.
14. ___________________ consists of a spherical ball, which moves within a socket and has a stick mounted on it.
15. An __________ printer would be non-impact as they work through spraying ink or toner and fusing it to the paper.
16. The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.
17. _____________ are used to transfer user data and instructions to the computer
18. Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use.
19. It is very important for a computer system to have the ability to communicate with the outside world, _________________.
20. The most familiar means of entering information into a computer is through a typewriterlike keyboard that allows a person to enter __________________ information directly.
21. The computer system is a dumb and a useless machine if it is not capable of communicating with the________________.
22. A web camera is a video capturing device attached to the computer system, mostly using a _________________.
23. Source data automation is the _________________ development for data input technologies.
24. Joysticks typically have a button on __________that is used to select the option pointed by the cursor.
25. With the help of the _______________ you can capture your images and documents and convert it into digital formats for easy storage

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