**Scilab test – Spoken Tutorial Quiz Answers** – Hello and Welcome to UNIQUE JANKARI, If You are Searching for ** Scilab test** Answers Of Spoken Tutorial then You are at the perfect place. Here we will Provide 100% Correct Answers to the Scilab test – Spoken Tutorial Quiz Answers

## Scilab test – Spoken Tutorial Quiz Answers

**Q1. If E = [5 19 15;8 22 36], What is the output of E(1,2)**

- a. 15
- b. 36
- c. 22
- d. 19

Ans:- d. 19

**Q2. The default variable to store the answer is?**

**Select one:**

- a. None of the above
- b. y
- c. ans
- d. result
- e. x

Ans:- c. ans

**Q3. If, in an 1d-ODE ydot = cos(t) independent variable’s range is defined as t = -%pi:%pi and initial condition is given as y(0) = 0, on solving and on plotting ‘y’ versus ‘t’ the output will of the form,**

- a. y=sin(t)
- b. None of the above
- c. y=cos(t)
- d. Error while integrating

Ans:- d. Error while integrating

**Q4. What is the output of below program?**

```
for i = 1:5
disp(i)
if (i==2),
break
end
end
```

- a. 1 2 3 4 5
- b. 1 2 3
- c. 1
- d. 1 2

Ans:- d. 1 2

eSim – Spoken Tutorial Quiz Answers

**Q5. Which of the following is true about functions in Scilab?**

- a. They are all user defined
- b. None of the above
- c. User defined functions are a subset of all functions
- d. Functions do not have arguments

Ans:-

**Q6. If P = [1 2 3;4 5 6], What is the output of length(p)**

- 3
- 2
- 6
- 4

Ans:-

Introduction to Computers – Spoken Tutorial Quiz Answers

**Q7. What is the output of the following line of code?counter = 0;r=3;for i=1:2; if(r>=0 & counter==0) disp(“1”); counter=counter+1; else if(r<0 & counter==0) disp(“0”); counter=counter+1; else disp(-1); counter=counter+1; endendend**

- 0 0
- 1 -1
- Incorrect control instruction syntax
- -1 1e. 1 1

Ans:-

**Q8. In the scifunc block in xcos, what is the syntax to configure for two input/output?**

- a. [1,1;2,2]
- b. [1,2]
- c. [1,1;1,1]
- d. [1,1;2,1]
- e. [1,1]

Ans:- c. [1,1;1,1]

**Q9. In plot2d(x,y,style=3), the style argument is used to**

- a. customize the appearance of the plot
- b. Close the present window
- c. Open a new window for plot
- d. customize the appearance of the font

Ans:- a. customize the appearance of the plot

**Q10. What is the output of the following line of code? 1D-1**

- a. 0.01
- b. 0
- c. 0.1
- d. Undefined variable D
- e. Missing operator, comma, or semicolon

Ans:-

**Scilab test – Spoken Tutorial Quiz Answers** – All the Answers Provided on this page are Correct if you think there is any mistake, Please comment, we will update it soon.

**Q11. What is the significance of Final Integration Time in xcos?**

- a. None of the above
- b. There is no such thing as Final Integration Time in xcos
- c. It defines how long the simulation will run
- d. It defines the integration upper limit
- e. It defines after how much time the simulation will start

Ans:- c. It defines how long the simulation will run

**Q12. How do you create an identity matrix of 3 by 3**

**Select one:**

- a. ones(3,3)
- b. zeros(3,3)
- c. iden(3,3)
- d. eye(3,3)

Ans:- d. eye(3,3)

**Q13. Which statements below are true with respect to Scilab?a. Runs only on Linuxb. Is used for numerical computation**

- a. Only a
- b. None of the above
- c. Only b
- d. Both a and b

Ans:- c. Only b

**Q14. If P =[ 1 2 3;4 5 6], P(1,:) extracts**

- a. First row ie 1 2 3
- b. Second row ie 4 5 6
- c. First column ie 1 4
- d. Second column Ie 2 5

Ans:- a. First row ie 1 2 3

**Q15. What is the value of y1 and y2 in the following code?r = linspace(1,5,9);length(r);[m,p]=max(r);r = gsort(r);y1=r(p-5);y2=r($-5);**

- a. y1 = 3.5; y2 = 3.5
- b. Syntax error
- c. y1 = 3.5; y2 = 1
- d. Undefined variable $
- e. y1 = 1; y2 = 3.5

Ans:- a. y1 = 3.5; y2 = 3.5

**Q16. Execution of the command modulo(2,3) will return?**

- a. 1
- b. 0
- c. 2
- d. NAN
- e. 0.67

Ans:- (C) 2

**Q17. Provide the character used to suppress the output of a command?**

Answer: Semicolon

**Q18. The output of the command p = poly([1],’p’), will be**

- a. Input Argument missing
- b. None of the above
- c. -1+p
- d. p=1

Ans:- c. -1+p

**Q19. A block in Xcos with a red input port denotes?**

- a. It is not configured yet
- b. It belongs to the electrical blocks category and requires a power source to be connected
- c. It is an event driven block
- d. It is not compatible with any block
- e. The block was not generated properly

Ans:- c. It is an event driven block

**Q20. If A=[1 2 – 1; – 2 – 6 4; – 1 – 3 3], What does the command inv(A) and spec(A) do respectively?**

- a. Finds inverse and eigen value
- b. Finds Transpose and determinant
- c. Finds inverse and determinant
- d. Finds length and eigen value

Ans:- a. Finds inverse and eigen value

**Scilab test – Spoken Tutorial Quiz Answers** – All the Answers Provided on this page are Correct if you think there is any mistake, Please comment, we will update it soon.

**Q21. i = 1:2:6 , will create a vector of values**

- a. 1 2 3
- b. 2 4 6
- c. 1 3 5
- d. 4 5 6

**Ans:- c. 1 3 5 **

Introduction to Computers – Spoken Tutorial Quiz Answers

**Q22. How do you find the square root of 49 on Scilab console?**

**Select one:**

- a. sqroot(49)
- b. sqrrt(49)
- c. sqrt(49)
- d. squareroot(49)

**Ans:- c. sqrt(49) **

Arduino Test – Spoken Tutorial Quiz Answers

**Q23. For a given Matrix, P=[ 2 -4;-6 7] Find the trace of the Matrix P**

**Answer:- 9**

**Q24. If p = poly([1],s) and q = poly([-1],s) and r = p+q, will give**

**Select one:**

- a. 2
- b. s^2
- c. 1
- d. 2*s

Ans:-

eSim – Spoken Tutorial Quiz Answers

**Q25. The new graphic window 1 for plotting can be opened by**

*Select one:*

- (A) xset(‘window’,2)
- (B) xset(‘window’,1)
- (C) xset(‘window’,0,1)
- (D) xset(‘window’)

**Ans:- (B) xset(‘window’,1) **

**Q26. Find the Determinant of the matrix [5 -2 3;4 -1 -5;6 7 9]**

**Answer: 364**

Introduction to Computers – Spoken Tutorial Quiz Answers

**Q27. In x=linspace(1,10,5)**

**Select one:**

- a. x is a row vector with 10 points
- b. x is a row vector with 5 points with linearly equally spaced between 1 and 10
- c. x is a row vector with 15 points
- d. x is a column vector with 5 points with linearly equally spaced between 1 and 10

**Ans:- (B) x is a row vector with 5 points with linearly equally spaced between 1 and 10 **

Arduino Test – Spoken Tutorial Quiz Answers

**Q28. If p = [1 2 3] , What is the output of length(p)**

**Select one:**

- a. 0
- b. 4
- c. 3
- d. 2

**Ans:- (C) 3 **

**Q29. Which of the following is true about scripts(answer which suits best)**

**Select one:**

- a. They do not have arguments
- b. They call functions
- c. They have arguments
- d. None of the above

**Ans:-**

eSim – Spoken Tutorial Quiz Answers

**Q30. Identify the command used to save all commands used in a session to a .dat file.**

**Select one:**

- a. load(‘dataab.dat’)
- b. None of the above
- c. save(‘dataab.dat’)
- d. gar(‘dataab.dat’)

**Ans:-**

**Scilab test – Spoken Tutorial Quiz Answers** – All the Answers Provided on this page are Correct if you think there is any mistake, Please comment, we will update it soon.

**Q31. How do you create a matrix consisting of pseudo random number of 3 by 3**

**Select one:**

- a. prand(3,3)
- b. random(3,3)
- c. Pseudo(3,3)
- d. rand(3,3)

**Ans:- d. rand(3,3) **

**Q32. What command is used to exit from the middle of the loop in scilab?**

**Ans:- **break

Arduino Test – Spoken Tutorial Quiz Answers

**Q33. What character is used to define a predefined numerical constant in scilab?**

**Ans:- %**

**Q34. Which command is used to list the available variables and functions in the current scilab workspace?**

**Select one:**

- a. who
- b. var
- c. list
- d. which
- e. None of the above

**Ans:- **

eSim – Spoken Tutorial Quiz Answers

**Q35. What command is used to skip the later part and continue with the loop?**

**Ans:- Continue**

**Q36. How do you calculate the determinant of square matrix ‘A’**

- a. Det(A)
- b. Spec(A)
- c. det(A)
- d. A’

**Ans:- c. det(A) **

**Q37. Command to find eigen values of a matrix A is?**

**Select one:**

- a. roots(A)
- b. eigen(A)
- c. eye(A)
- d. None of the above
- e. spec(A)

**Ans:- e. spec(A) **

**Q38. In plot2d(x,y,style=3), the style argument is used to**

**Select one:**

- a. customize the appearance of the plot
- b. customize the appearance of the font
- c. Close the present window
- d. Open a new window for plot

**Ans:- a. customize the appearance of the plot **

**Q39. dentify the command used to generate all ones in a 4X4 matrix?**

**Select one:**

- a. One(4,4)
- b. show(4,4)
- c. ones(4,4)
- d. zeros(4,4)

**Ans:- c. ones(4,4) **

**Q40. The Rank of the matrix A=[4 7 2;9 6 3;1 7 3] is**

**Ans:- 3**

**Scilab test – Spoken Tutorial Quiz Answers** – All the Answers Provided on this page are Correct if you think there is any mistake, Please comment, we will update it soon.

**Q41. Identify the commands used to print a graph over existing graph in scilab?**

**Select one:**

- a. x = 0 : 0.1 : 30; y = sin(x); plot(x, y);
- b. x = 0 : 0.1 : 30; y = co(x); plots(x, y);
- c. x = 0 : 0.1 : 30; y = tan(x); print(x, y);
- d. None of the above

**Ans:- a. x = 0 : 0.1 : 30; y = sin(x); plot(x, y); **

**Q42. What does the command getd() do?**

**Select one:**

- a. Opens all scilab files in the current directory
- b. Looks for all .sci file in the current directory and loads its content in workspace
- c. Outputs the full path of the current directory
- d. There is no such command as getd()
- e. Makes the current directory as the working directory

**Ans:- b. Looks for all .sci file in the current directory and loads its content in workspace **

**Q43. if a=1, b=2, c=3, How do you find out the value of variable on Scilab console?**

**Select one:**

- a. by typing a b c
- b. By typing a,b,c
- c. by typing a. b. c.

**Ans:- b. By typing a,b,c **

**Q44. Which Palette contains Clock_C block?**

*Select one:*

- (A) Signal routing
- (B) Event Handling
- (C) Continous time systems
- (D) Discreate time systems

**Ans:- (B) Event Handling **

**Q45. If P =[ 1 2 3;4 5 6], What is the output of [r,c]=size(P)**

*Select one:*

- (A) c=2, r=2
- (B) c=3, r=2
- (C) c=2, r=6
- (D) c=2, r=6

**Ans:- (B) c=3, r=2 **

**Q46. If A=[12-1;-2-64,-1-33], What does the command inv(A) and spec(A) do respectively?**

*Select one:*

- a. Finds inverse and determinant
- b. Finds length and eigen value
- c. Finds Transpose and determinant
- d. Finds inverse and eigen value

**Ans:- d. Finds inverse and eigen value **

**Q47. The command used for evaluating a polynomial at a specified point is:**

**Ans:- polyval**

**Q48. Identify the command used to generate all ones in a 4X4 matrix?**

*Select one:*

- (A) zeros(4,4)
- (B) show(4,4)
- (C) One(4,4)
- (D) ones(4,4)

**Ans:- (D) ones(4,4) **

**Q49. If vector v=1:5 ,then the last entry of vector v is be denoted by**

*Select one:*

- (A) v(%)
- (B) v(1:$)
- (C) v($)
- (D) v($:1)

**Ans:- (C) v($) **

**Q50. In ‘Scilab’, the words ‘SCI’ and ‘LAB’ stand for**

*Select one:*

- (A) Science and laboratory
- (B) Scientific and lab
- (C) Scientific and laboratory
- (D) Science and lab

**Ans:- (C) Scientific and laboratory **

**Q51. Will the function return the input vector?**

**function y = same(x) y = x(0:$)endfunction**

*Select one:*

- (A) No
- (B) Yes

**Ans:- (A) No **

**Q52. What is the use of plot2d3() command?**

*Select one:*

- (A) To generate a continuous time 3D plot
- (B) To plot vertical bars of a given vector
- (C) To plot in 3D of a discrete signal
- (D) None of the above
- (E) To generate three 2D plots

**Ans:- (B) To plot vertical bars of a given vector **

**Q53. If matrix A=[4 7 2;9 6 3;1 7 3] then A(:,[2 3]) is the submatrix containing**

*Select one:*

- (A) 2nd and 3rd column
- (B) 1st, 2nd and 3rd columns
- (C) 1st and 2nd columns
- (D) 3rd column

**Ans:- (A) 2nd and 3rd column **

**Q54. Which command is used to define a transfer function?**

*Select one:*

- (A) tf()
- (B) syslin()
- (C) poly()
- (D) function()
- (E) linear()

**Ans:- (B) syslin() **

**Scilab Spoken Tutorial Questions and Answers**– All the Answers Provided on this page are Correct if you think there is any mistake, Please comment, we will update it soon.

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Q32. What command is used to exit from the middle of the loop in scilab?

Its answer should be break.

Thank you for your answer.