 
			 
			MCQOPTIONS
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				This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Matlab knowledge and support exam preparation. Choose a topic below to get started.
| 1. | What is the purpose of the line command if the plot command can be used to directly accept the arguments and generate a plot? | 
| A. | Saves complexity | 
| B. | We can refrain from using the hold function | 
| C. | There is no separate, definite purpose | 
| D. | Cannot conclude | 
| Answer» E. | |
| 2. | What is the difference between hold on and hold all? | 
| A. | no difference | 
| B. | hold all holds every plot while hold on holds a specific plot in the chain of argument | 
| C. | hold all does not exist | 
| D. | hold on is syntactically incorrect | 
| Answer» B. hold all holds every plot while hold on holds a specific plot in the chain of argument | |
| 3. | What happens if we don’t stop the implementation of the hold function? | 
| A. | Nothing happens | 
| B. | MATLAB keeps on generating multiple plots in the same window | 
| C. | Error is generated | 
| D. | Plot function won’t work | 
| Answer» C. Error is generated | |
| 4. | A student has created a plot of y(t)=t2. He is need to show another graph of z(t)=t3 in the same plot. But every time he hits the plot() function- MATLAB generates a plot of z(t) vs t but on a different window. What is the error? | 
| A. | It is not possible to plot multiple plots | 
| B. | He is not using the line function | 
| C. | Maybe he is using stem() instead of plot() | 
| D. | He is not using the hold function | 
| Answer» E. | |
| 5. | WHAT_IS_THE_DIFFERENCE_BETWEEN_HOLD_ON_AND_HOLD_ALL??$ | 
| A. | no difference | 
| B. | hold all holds every plot while hold on holds a specific plot in the chain of argument | 
| C. | hold all does not exist | 
| D. | hold on is syntactically incorrect | 
| Answer» B. hold all holds every plot while hold on holds a specific plot in the chain of argument | |
| 6. | What_is_the_purpose_of_the_line_command_if_the_plot_command_can_be_used_to_directly_accept_the_arguments_and_generate_a_plot?$ | 
| A. | Saves complexity | 
| B. | We can refrain from using the hold function | 
| C. | There is no separate, definite purpose | 
| D. | Cannot conclude | 
| Answer» E. | |
| 7. | The student receives an error while trying to plot multiple graphs using the hold command. What is there error if there is no a syntactical error? | 
| A. | Cannot be determined | 
| B. | The plot function is not defined with a constant variable range | 
| C. | There is no hold command | 
| D. | There has to be a syntactical error only | 
| Answer» C. There is no hold command | |
| 8. | Can we have multiple 3d plots in MATLAB? | 
| A. | Yes | 
| B. | No | 
| C. | Maybe | 
| D. | Cannot be determined | 
| Answer» B. No | |
| 9. | How to introduce a title to describe the subplots generated in MATLAB? | 
| A. | Use a function | 
| B. | Use the title function | 
| C. | Use the legend function | 
| D. | Use uipanel() | 
| Answer» E. | |
| 10. | The function to plot vector fields is ___________ | 
| A. | quiver() | 
| B. | pie3 | 
| C. | ezplot() | 
| D. | contour() | 
| Answer» B. pie3 | |
| 11. | Is histogram a kind of multiple plots? | 
| A. | True | 
| B. | False | 
| C. | Cannot be determined | 
| D. | There is no such thing called Histogram | 
| Answer» B. False | |
| 12. | What happens if we don’t stop the implementation of the hold function?$ | 
| A. | Nothing happens | 
| B. | MATLAB keeps on generating multiple plots in the same window | 
| C. | Error is generated | 
| D. | Plot function won’t work | 
| Answer» C. Error is generated | |
| 13. | Does the plot function take multiple arguments to a plot? | 
| A. | True | 
| B. | False | 
| C. | Sometimes | 
| D. | Only if the functions are in time domain | 
| Answer» B. False | |
| 14. | A student has created a plot of y(t)=t2. He is need to show another graph of z(t)=t3 in the same plot. But every time he hits the plot() function- MATLAB generates a plot of z(t) vs t but on a different window. What is the error? | 
| A. | It is not possible to plot multiple plots | 
| B. | He is not using the line function | 
| C. | Maybe he is using stem() instead of plot() | 
| D. | He is not using the hold function | 
| Answer» E. | |