Explore topic-wise MCQs in Matlab.

This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your Matlab knowledge and support exam preparation. Choose a topic below to get started.

1.

The return command is similar to the dbcont command.

A. True
B. False
Answer» B. False
2.

What are the contents of a and b after the following events?

A. Error in the function
B. a=4,b=5
C. Enters debugging mode at b but a=4
D. Outputs are suppressedView Answer
Answer» C. Enters debugging mode at b but a=4
3.

What are the contents of a after the following events?

A. Enters debugging mode
B. Error in the command window
C. Error in the function
D. 5View Answer
Answer» B. Error in the command window
4.

The debug commands can be run in

A. functions
B. live scripts
C. command window
D. nowhere
Answer» D. nowhere
5.

The dbstop command, for functions stored in the system memory, with a line mentioned will __________

A. pause the evaluation of the function before the mentioned line
B. exit the evaluation of the function before the mentioned line
C. pause the evaluation of the function during the mentioned line
D. pause the evaluation of the function after the mentioned line
Answer» B. exit the evaluation of the function before the mentioned line
6.

The dbcont command, if placed in an m.file, will __________

A. not allow the function to be saved
B. give error when we enter dbcont in debug mode
C. will give an error during function call
D. dbcont does not exist
Answer» C. will give an error during function call
7.

run > outfile command is used to _________

A. direct output to the file outfile
B. jump to a file outfile
C. enter a file outfile
D. edit a file outfile
Answer» B. jump to a file outfile
8.

Which is not involved in debugging?

A. Identifying
B. Isolating
C. Test
D. Fixing
Answer» D. Fixing
9.

‘set args ‘ without arguments can ___________

A. initialize all the arguments
B. remove all the arguments
C. no change
D. show all the arguments
Answer» C. no change
10.

Examination of the program step by step is called ______________

A. Controlling
B. Tracing
C. Stepping
D. Testing
Answer» D. Testing
11.

WHICH_IS_NOT_INVOLVED_IN_DEBUGGING??$

A. Identifying
B. Isolating
C. Test
D. Fixing
Answer» D. Fixing
12.

THE_DBSTOP_COMMAND,_FOR_FUNCTIONS_STORED_IN_THE_SYSTEM_MEMORY,_WITH_A_LINE_MENTIONED_WILL___________?$

A. pause the evaluation of the function before the mentioned line
B. exit the evaluation of the function before the mentioned line
C. pause the evaluation of the function during the mentioned line
D. pause the evaluation of the function after the mentioned line
Answer» B. exit the evaluation of the function before the mentioned line
13.

run_>_outfile_command_is_used_to__________$

A. direct output to the file outfile
B. jump to a file outfile
C. enter a file outfile
D. edit a file outfile
Answer» B. jump to a file outfile
14.

The_debug_commands_can_be_run_in$

A. functions
B. live scripts
C. command window
D. nowhere
Answer» D. nowhere
15.

Error in 2nd line of command window due to line no

A. Error in 2<sup>nd</sup> line of command window due to line missing function name
B. 5
C. Enters the debugging mode
Answer» C. Enters the debugging mode
16.

Enters_debugging_mode

A. Error in the command window
B. Error in the function
C. 5
Answer» C. 5
17.

‘set args ‘ without arguments can __________?#

A. initialize all the arguments
B. remove all the arguments
C. no change
D. show all the arguments
Answer» C. no change
18.

Which of the following does not affects the execution of the program?

A. Arguments
B. Environment
C. Control
D. I/o
Answer» D. I/o
19.

The dbquit command, if placed in an m.file, will __________

A. never run the debugging mode
B. exit from the debugging mode
C. result in an error while running the function
D. dbquit does not exist
Answer» D. dbquit does not exist
20.

____________ creates an inferior process that runs your program.

A. run
B. exit
C. execute
D. e
Answer» B. exit
21.

The dbstop command, for anonymous functions __________

A. Pauses, for debugging, after the line which dbstop indicates
B. Pauses, for debugging, before the line which dbstop indicates
C. exits from the debugging mode after the line which dbstop indicates
D. exits from the debugging mode before the line which dbstop indicates
Answer» B. Pauses, for debugging, before the line which dbstop indicates
22.

h command gives ___________

A. A list of all the commands starting from h
B. Describes all the commands
C. Displays a short description of the command
D. Displays all the programs
Answer» D. Displays all the programs
23.

What is dbstop command?

A. exits from the debugging mode
B. pauses for the debugging mode when a condition is reached only
C. exits the debugging mode at any point in the function
D. does not exist
Answer» C. exits the debugging mode at any point in the function
24.

Which of the following is written for getting help in GDB?

A. he
B. h
C. assist
D. assistant
Answer» C. assist
25.

Which of the following command would allow us to continue the evaluation of a function in the debugging mode?

A. dbcont
B. dbcontinue
C. continue
D. debugcont
Answer» B. dbcontinue
26.

A freeware GNU Debugger is __________

A. GDB
B. GNB
C. FDB
D. FNB
Answer» B. GNB
27.

To end the debugging mode, we use the __________

A. dbquit
B. dbend
C. debugend
D. No such function
Answer» B. dbend
28.

The examination of changing values of variables is called stepping.

A. True
B. False
Answer» C.
29.

To enter a value and change the course of working of a function while it is working, we use the __________

A. dbstop
B. db
C. keyboard
D. enter
Answer» D. enter
30.

Can we save a MATLAB program while in debugging mode?

A. True
B. False
Answer» C.