MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Data Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Every open graphics device is assigned an integer greater than 2. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following is alternative technique toprincipal component analysis? |
| A. | Factor analysis |
| B. | Independent components analysis |
| C. | Latent semantic analysis |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
Which of the following is a vector file device? |
| A. | png |
| B. | svg |
| C. | bmp |
| D. | none of the mentioned |
| Answer» C. bmp | |
| 4. |
dev.copy2pdf specifically copy a plot to a PDF file. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following is the second goal of PCA? |
| A. | data compression |
| B. | statistical analysis |
| C. | data dredging |
| D. | all of the mentioned |
| Answer» B. statistical analysis | |
| 6. |
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 |
| Answer» B. dev.int | |
| 7. |
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 |
| Answer» B. dev.copypdf | |