MATLAB Mock Test 2 - Sanfoundry

10%

Question 1 of 10

1. What is the extension of script files?

.script

There is a nothing called script file

.mat

Question 1 of 10

Question 2 of 10

2. What are the difference between the ‘help’ and the ‘look for’ command?

Help returns the entire set while look for returns specific commands

Syntactical difference

Help returns all the toolbox while look for returns a single toolbox

No difference

Question 2 of 10

Question 3 of 10

3. What is not displayed by the Workspace?

Standard deviation of the variable values

Nature of the variables

Class of the variables

Time of variable generation

Question 3 of 10

Question 4 of 10

4. Which command can be used for single step execution in debugging mode?

dbstepin

dbstatus

dbstep

dbcont

Question 4 of 10

Question 5 of 10

5. What is the difference between primary and secondary data in statistics?

The first set of data received is Primary data while the next set is secondary data

The former is collected from the field of the investigation while the latter is collected from a separate entity

No difference

The important data is primary data while the lesser important data is secondary data

Question 5 of 10

Question 6 of 10

6. Find the error returned by MATLAB:

syms a x y;	a = xˆ2 + yˆ2;	   subs(a, [x,y], (2,3,4))

There is no subs command in MATLAB

The subs command has incorrect arguments

The subs command has extra input arguments

The subs command has syntactical error

Question 6 of 10

Question 7 of 10

7. To display the partnership of 3 batsman with one batsman, one uses _________

Histogram

Cannot be displayed

Bar-graph

Pie plot

Question 7 of 10

Question 8 of 10

8. The function to close the windows containing graphs generated from MATLAB is __________

delete graphs

end all

close graphs

close all

Question 8 of 10

Question 9 of 10

9. What would you use to show comparisons of profit of 3 industries over 3 quarters?

Bar plot

Histogram plot

Bode plot

Frequency plot

Question 9 of 10

Question 10 of 10

10. Find the error in the following code.

x=-10:1:10; y=-10:2:10; plot(x,y)

Length of x and y should be same

Syntax of plot is wrong

Plot is not available in MATLAB

No error

Question 10 of 10