Question

multiple choice select the best answer

1. a ____ is an instruction a user issues by responding to a message displayed by a program or app. (318)

a. command
b. user response
c. keyboard shortcut
d. function

1. which of the following is not an example of a pointing device? (324)

a. touchpad
b. trackball
c. touch screen
d. pointing stick

1. a(n) ____ is an input device that contains buttons and/or wheels you operate with a thumb or finger. (326)

a. digitizer
b. interactive whiteboard
c. touch - sensitive pad
d. ocr device

1. ____ read hand - drawn marks, such as small circles or rectangles. (335)

a. micr readers
b. digitizers
c. omr devices
d. ocr devices

1. lcd displays typically produce color using ____ technology, which uses a separate transistor to supply charges to each liquid crystal cell. (342)

a. passive - matrix
b. oled
c. retina display
d. active - matrix

1. ____ displays use organic molecules that are self - illuminating and, thus, do not require a backlight. (342)

a. oled
b. tft
c. led
d. ccfl

1. ____ orientation refers to a printout that is wider than it is tall. (344)

a. cinematic
b. portrait
c. landscape
d. widescreen

1. how many subwoofers would a 7.2 speaker system contain? (351)

a. 1
c. 7
b. 2
d. 9

Explanation:

1. A user response is an instruction issued by responding to a message displayed by a program or app.
2. A pointing stick is a pointing device, while the others are also pointing - related input devices.
3. A digitizer is an input device with buttons and/or wheels operated by thumb or finger.
4. OMR (Optical Mark Recognition) devices read hand - drawn marks like small circles or rectangles.
5. LCD displays typically use active - matrix technology to supply charges to each liquid crystal cell.
6. OLED displays use organic self - illuminating molecules and don't need a backlight.
7. Landscape orientation refers to a printout wider than it is tall.
8. A 7.2 speaker system has 2 subwoofers.

Answer:

1. b. user response
2. d. pointing stick
3. a. digitizer
4. c. OMR devices
5. d. active - matrix
6. a. OLED
7. c. Landscape
8. b. 2