Data Analysis and Research All MCQ part-2

Que.Point out the wrong statement.
a. For quick visualizations and exploratory analysis, usually you want to use the screen device
b. Functions like xyplot in lattice will not default to sending a plot to the screen device
c. Not all graphics devices are available on all platforms
d. None of the mentioned
Que.Which of the following system most often don’t have postscript viewer?
a. Windows
b. Linux
c. Mac
d. All of the mentioned
Que.There are mainly three types of file devices.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Which of the following is a bitmap file type?
a. tiff
b. svg
c. pdf
d. none of the mentioned
Que.Which of the following function displays currently active graphics device?
a. dev.present
b. dev.cur
c. pre.cur
d. all of the mentioned
Que.The most familiar place for a plot to be “sent” is screen device.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Point out the correct statement.
a. Vector formats are good for line drawings and plots with solid colors using a modest number of points
b. Vector formats are good for plots with a large number of points, natural scenes or web based plots
c. The default graphics device is always the screen device
d. All of the mentioned
Que.Which of the following will copy the plot from one device to another?
a. dev.copy
b. dev.copypdf
c. dev.device
d. all of the mentioned
Que.Which of the following is used to change active graphic device?
a. dev.set
b. dev.int
c. dev.win
d. all of the mentioned
Que.Point out the wrong statement.
a. File devices are useful for creating plots that can be included in other documents or sent to other people
b. Plots must be created on a graphics device
c. For file devices, there are vector and bitmap formats
d. None of the mentioned

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