Practice Matlab Multiple Choice Questions with Answers Quiz-1

Q.1.

Perintah untuk menampilkan grafik adalah ...

disp
graph
plot
ploting

Q.2.

The basic building block of a matlab is ____

Array
Matrix
Vector
Scalar

Q.3.

MATLAB stands for

Matrix laboratory
Mat laboratory
Maths laboratory
None of these

Q.4.

Berikut merupakan contoh penggunaan Matlab, kecuali ...

Matematika dan komputasi
Analisis Psikologi
Analisis numerik dan statistik
Pengembangan aplikasi teknik

Q.5.

Bentuk operasi yang benar dalam matlab adalah ...

/ , + , x
/ , - , *
+ , - , :
+ , x , *

Q.6.

Perintah untuk membersihkan layar command windows adalah ...

delete
clear
cls
clc

Q.7.

.mlx file belongs to

Matlab Script
Matlab Live Editor Script
Matlab App
None of the mentioned above

Q.8.

How do write π\piπ in MATLAB

pi
phi
pie
pai

Q.9.

A___at the end of the command suppresses the screen outputs

,
:
;
:

Q.10.

What is π3\frac{\pi}{3}3π in format short?

1.0471
1.047
1.047197551196598
1.0471975511

Q.11.

Vectors depend upon brackets while scalars don’t.

True
False

Q.12.

What is the output of the following code?A=[1 2 3.. ];

The output is suppressed
A row vector
A row vector concatenated with a null matrix
Error

Q.13.

All matrices are vectors but all vectors are not matrices in MATLAB.

True
False

Q.14.

How many errors will MATLAB show if the following code entered?A=[1;2;3]; B=[1 2]; C=A.*B;D=C*A;

2
1
no error
4

Q.15.

What is the difference between a[] and a{}?

a[] is for empty cell array while a{} is for empty linear array
a[] is for empty linear array while a{} is for empty cell array
No difference
a[] is an empty row vector while a{} is an empty column vector

Q.16.

How do we assign a value to a variable

x=0.5
x=1-0.5
x=1/2
All of above

Q.17.

Satvik wish to get the scalar value of the number of the element in the vector . What should he prefer ?

size()
length()
Anyone of size() or length()
Don't know

Q.18.

What is the correct command to find square root of any number, x.

square rt (x)
sqrt(x)
Sqrt x
sqrtx

Q.19.

A=[1;2;3;4;5];

A is Row Vector
A is Column Vector

Q.20.

Plot(x,y,':b')the output line will be ?

dashed-blue
dotted-black
dotted-blue
solid-blue

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