MCQOPTIONS
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MCQOPTIONS
This section includes 26 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A student has to plot a graph of f(x)=t and g(y)=t in the same graph, with t as a parameter. The function he uses is ____ |
| A. | plot3(x,y,t) |
| B. | plot(x,y,t) |
| C. | disp |
| D. | stem(x,y) |
| Answer» B. plot(x,y,t) | |
| 2. |
If we put bar(x,y,1.2), we will get _____ bars. |
| A. | Uniform |
| B. | Damped |
| C. | Overlapping |
| D. | No |
| Answer» D. No | |
| 3. |
What is the condition on x in bar(x,y)? |
| A. | No condition as such |
| B. | Should change linearly |
| C. | Should increase of decrease monotonously |
| D. | Incomprehensible |
| Answer» D. Incomprehensible | |
| 4. |
To place a text on the plot using a mouse, the command used is _________ |
| A. | gtext |
| B. | text |
| C. | title() |
| D. | atext |
| Answer» B. text | |
| 5. |
After trying to plot a pie-chart, the student finds that the function he used is rose(). What is the nature of data used by the student if an output graph is generated? |
| A. | Angles in radians |
| B. | Linear bivariate |
| C. | Logarithmic |
| D. | This is not possible in MATLAB |
| Answer» C. Logarithmic | |
| 6. |
What kind of a plot is this? |
| A. | Polar plot |
| B. | Cartesian plot |
| C. | Complex plot |
| D. | Not a MATLAB plotting |
| Answer» B. Cartesian plot | |
| 7. |
To bring the scale of each axis to logarithmically spaced, the student entered ‘semilogx()’. What really happened? |
| A. | The plot will appear with both axis now logarithmically spaced |
| B. | semilogx() is an invalid function |
| C. | The plot will appear with x axis logarithmically spaced |
| D. | Error |
| Answer» D. Error | |
| 8. |
What is the output in the following code? |
| A. | Error |
| B. | A graph will be shown without axes |
| C. | A graph will be shown with axes |
| D. | 2 graphs will be shown- one with axes and with no axesView Answer |
| Answer» D. 2 graphs will be shown- one with axes and with no axesView Answer | |
| 9. |
Find the error in the following code. |
| A. | Plot is not available in MATLAB |
| B. | Syntax of plot is wrong |
| C. | Length of x and y should be same |
| D. | No errorView Answer |
| Answer» D. No errorView Answer | |
| 10. |
What are the functions to see the graph of a continuous and a discrete function? |
| A. | plot() & stem() |
| B. | cont() & disc() |
| C. | plot() & disc() |
| D. | cont() & stem() |
| Answer» B. cont() & disc() | |
| 11. |
AFTER_TRYING_TO_PLOT_A_PIE-CHART,_THE_STUDENT_FINDS_THAT_THE_FUNCTION_HE_USED_IS_ROSE()._WHAT_IS_THE_NATURE_OF_DATA_USED_BY_THE_STUDENT_IF_AN_OUTPUT_GRAPH_IS_GENERATED??$ |
| A. | Angles in radians |
| B. | Linear bivariate |
| C. | Logarithmic |
| D. | This is not possible in MATLAB |
| Answer» D. This is not possible in MATLAB | |
| 12. |
WHICH_OF_THE_FOLLOWING_IS_A_PROPERTY_USED_TO_CHECK_HOW_CRISP_OR_FUZZY_SHADOWS_ARE??$ |
| A. | shadowColor |
| B. | shadowBlur |
| C. | strokeStyle |
| D. | stroke |
| Answer» C. strokeStyle | |
| 13. |
What is the condition on x in bar(x,y)?$ |
| A. | No condition as such |
| B. | Should change linearly |
| C. | Should increase of decrease monotonously |
| D. | Incomprehensible |
| Answer» B. Should change linearly | |
| 14. |
To_place_a_text_on_the_plot_using_a_mouse,_the_command_used_is__________$ |
| A. | gtext |
| B. | text |
| C. | title() |
| D. | atext |
| Answer» D. atext | |
| 15. |
How_do_you_restore_a_saved_coordinate_system?$ |
| A. | restore() |
| B. | getback() |
| C. | set() |
| D. | back() |
| Answer» B. getback() | |
| 16. |
Which of the following are not the properties of a canvas object? |
| A. | fillStyle |
| B. | strokeStyle |
| C. | lineWidth |
| D. | lineSize |
| Answer» E. | |
| 17. |
To bring the scale of each axis to logarithmically spaced, the student entered ‘semilogx()’. What really happened?$ |
| A. | The plot will appear with both axis now logarithmically spaced |
| B. | semilogx() is an invalid function |
| C. | The plot will appear with x axis logarithmically spaced |
| D. | Error |
| Answer» C. The plot will appear with x axis logarithmically spaced | |
| 18. |
Which is the method invoked to connect the last vertex back to the first? |
| A. | closePath() |
| B. | close() |
| C. | connectlast(first) |
| D. | connect() |
| Answer» B. close() | |
| 19. |
If we want to plot matrix arguments, which of the following gets plotted? |
| A. | Column wise inter-relation of two arguments |
| B. | Row wise inter-relation of two arguments |
| C. | Diagonally inter-relation of two arguments |
| D. | The arguments are incomprehensible |
| Answer» B. Row wise inter-relation of two arguments | |
| 20. |
Which is the method invoked to begin a path? |
| A. | begin() |
| B. | path() |
| C. | createPath() |
| D. | beginPath() |
| Answer» E. | |
| 21. |
How does SVG describe complex shapes? |
| A. | Path of lines |
| B. | Path of curves |
| C. | Path of lines and curves |
| D. | Planes |
| Answer» D. Planes | |
| 22. |
What is the returning value of the getContext() method? |
| A. | Drawing model |
| B. | CanvasRenderingContext2D object |
| C. | Context2D object |
| D. | Container |
| Answer» C. Context2D object | |
| 23. |
Plot is not available in MATLAB |
| A. | Syntax of plot is wrong |
| B. | Length of x and y should be same |
| C. | No error |
| Answer» D. | |
| 24. |
Which method is used to obtain the “drawing context” object ?$ |
| A. | getContext() |
| B. | getObject() |
| C. | get() |
| D. | getDrawing() |
| Answer» B. getObject() | |
| 25. |
From which version of IE is canvas supported? |
| A. | 7 |
| B. | 8 |
| C. | 9 |
| D. | 6 |
| Answer» D. 6 | |
| 26. |
What is the purpose of the canvas element? |
| A. | Creates drawing surface |
| B. | Exposes powerful drawing API to client-side JavaScript |
| C. | Creates drawing surface & Exposes powerful drawing API to client-side JavaScript |
| D. | Creates a rectangular box |
| Answer» D. Creates a rectangular box | |