# User Input and Screen Output – 1 MCQ’s

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “User Input and Screen Output – 1″.

1. What is the output of the following code?

`error(‘Dan !’);`

a) No output, it gets suppressed
b) The word Dan ! is displayed
c) No such function
d) Syntactical Error

2. What is the output of the following code?

`error(‘ No !!!!’)`

a) No !!!!
b) No !!!!
c) Logical Error
d) Symbolic error

3. What is the output of the following code?

`error(“Lola !”);`

a) Output is suppressed
b) Syntactical error
c) No such function exists
d) It displays Lola !

4. What is the output of the following code?

`error(‘Lola ! \n Dan !’);`

a) Output is suppressed
b) Symbolic error in \n
c)

```    Lola !
Dan !```

d) Lola ! \n Dan !

5. What is the output of the following code?

`MException('MATLAB:test', '%d * %d= Why?', Inf,Inf)`

a)

```    MException with properties:
identifier: ‘MATLAB:test’
message: 'Inf * Inf= Why?'
cause: {}
stack: [0×1 struct]```

b)

```    MException with properties:
identifier: “MATLAB:test”
message: 'Inf * Inf= Why?'
cause: []
stack: [0×1 struct]```

c)

```    MException with properties:
identifier: ''MATLAB:test’
message: '%d * %d= Why?'
cause: {}
stack: [0×1 struct]```

d) Error

6. What is the output of the following code?

`MException('Lola!', '%d * %d= Why?', Inf,Inf)`

a) Error due to identifier
b) Error due to Inf
c)

```    MException with properties:
identifier: 'Lola!’
message: 'Inf * Inf= Why?'
cause: {}
stack: [0×1 struct]```

d) No such command

7. What is the output of the following code?

`disp(‘%d’,Inf);`

a) Inf
b) No such command
c) Error due to too many arguments
d) Syntactical error

8. What is the output of the following code?

`warning(‘Pikapi !’)`

a) Warning: ‘Pikapi !’
b) Warning: Pikapi !
c) Warning: ‘Pikapi !’
d) Warning: Pikapi !

9. What is the output of the following code?

`sprintf(‘%d’,5)`

a) 5
b) ‘5’
c) Syntactical error
d) Logical error

10. What is the output of the following code?

`disp(‘ ‘,lola!’ 2’)`

a) ‘lola!’ 2
b) ‘ ‘lola!’ 2’
c) ‘lola! 2’
d) Error due to multiple arguments

11. What is the output of the following code?

```warning('off')
warning('Pikapi !')```

a) No output
b) Warning: Pikapi !
c)

```    Warning: Off
Warning: Pikapi !```

d) Syntactical error

12. How many arguments are given to the above command?

`disp(‘ ‘lola!’ 2’)`

a) Cannot be defined
b) 2
c) 1
d) 0

13. The default exponential order for %e and %E is same.
a) True
b) False

14. What is the output of the following command?

`sscanf(‘.1 .2 .3’,%d)`

a) []
b)

```
.1
.2
.3```

c)

```
1
2
3```

d) Error

15. The disp() command cannot print anything but inputs given within string arguments.
a) True
b) False