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Chapter 7

Input and Output

Multiple-Choice:

1) ______ is an example of output device.

a) mouse b) joystick c) digital camera d) printer

2) ______ is an example of input device.

a) mouse b) monitor c) speaker d) printer

3) ______ keyboards are designed to specifically alleviate wrist strain associated with repetitive movements of typing.

a) flexible b) traditional c) ergonomic d) wireless

4) ______ keys are shortcuts for particular tasks.

a) combinational b) function c) navigation d) toggle

5) ______ mouse has a rotating ball in the bottom.

a) mechanical b) optical c) cordless d) track

6) ______ mouse has no moving parts – it emits and senses light to detect mouse movement.

a) mechanical b) track c) cordless d) optical

7) ______ work by recognizing light, dark, and colored areas making up individual letters or images.

a) digital camera b) touch screens c) bar code readers d) optical scanners

8) ______ is used are in grocery stores that use Universal Product Codes (UPC).

a) digital camera b) touch screens c) bar code readers d) optical scanners

9) _______ devices convert a sketch or figure into a form that can be processed by a computer.

a) imaging b) digitizing c) scanning d) pointing

10) ______ is used by artists for creating illustrations, by mapmakers to record or trace maps.

a) digital camera b) light pen c) stylus d) graphics tablet

11) _____ is most common type of monitor for office and home.

a) E-book b) data projector c) LCD d) CRT

12) The resolution of printers is measured in ______.

a) pixels b) bits c) DPI d) points

13) The speed of printers is measured in _______.

a) lpm b) cpm c) ppm d) wpm

14) ______ sprays small droplets of ink at high speed onto the surface of paper.

a) laser b) thermal c) ink jet d) dot matrix

15) ______ uses output from digitizing tables and other graphics input devices to create maps.

a) plotters b) thermal c) ink jet d) dot matrix

16) _____ devices combine the functions of a printer, scanner, copier, and fax into one unit.

a) MFD b) LCD c) fax d) MID

17) ______ terminal is used to input and receive data, but cannot process data independently.

a) intelligent b) dumb c) network d) internet

18) ________ is frequently used to score multiple choice tests marked by pencil on a form.

a) OCR b) MICR c) OMR d) webcams

True / False:

1. Escape key cancels a selection or procedure. ( T / F )

2. Toggle keys controls the movement of cursor on the screen. ( T / F )

3. Caps Lock key is a combination key. ( T / F )

4. Printer output is often called hardcopy. ( T / F )

5. Shift key is a combination key. ( T / F )

6. Mechanical mouse is better than optical mouse. ( T / F )

7. Clarity of monitor is indicated by its resolution. ( T / F )

8. WebCams are used for video conferencing. ( T / F )

9. Digital camera is a scanning device. ( T / F )

10. Images displayed on monitor are often referred to as softcopy. ( T / F )

11. Printer is the most frequently used output device. ( T / F )

12. The greater the number of pixels, the better the resolution. ( T / F )

13. The greater the dot pitch, the better the clarity. ( T / F )

14. The faster the refresh rate, the better the image. ( T / F )

15. CRT monitors use liquid crystals. ( T / F )

Matching:

|a. escape |refers to images displayed on monitor |e |

|b. toggle |keys turn a feature ON and OFF |b |

|c. joystick |is used to measure the resolution of screens |f |

|d. refresh |is most popular input device for computer games |c |

|e. softcopy |key cancels a selection or a procedure |a |

|f. pixels |rate is how often the image is “re-drawn” on the monitor |d |

Short-answer questions:

1) List some of the input devices.

2) List some of the important keys of a keyboard.

3) List some of the pointing devices.

4) List some of the output devices.

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