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MCQs

Total Questions : 10
Question 1. Which one of the following lists contains only legal MATLAB variable names?
  1.    year-2012, time
  2.    myTime, 1stVar
  3.    MyScore1, student1_ID
  4.    2nd_Var, my_currency
 Discuss Question
Answer: Option D. -> 2nd_Var, my_currency




Question 2. Which of the following is used to see if two elements are equal in MATLAB?
  1.    !=
  2.    ==
  3.    isequal
  4.    =
 Discuss Question
Answer: Option B. -> ==




Question 3. What does MatLab consist of?
  1.    MatLab Language
  2.    MatLab working environment
  3.    Handle Graphics
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above




Question 4. This Matlab command clears all data and variables stored in memory:
  1.    clc
  2.    clear
  3.    delete
  4.    deallocate
 Discuss Question
Answer: Option B. -> clear




Question 5. What are the things for which MATLAB can be used
  1.    Performing very simple calculations
  2.    Plotting mathematical relationships in two dimensional and three dimensional
  3.    For operations of matrix
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these




Question 6. Which of the following is not a pre-defined variable in Matlab?
  1.    pi
  2.    inf
  3.    i
  4.    gravity
 Discuss Question
Answer: Option D. -> gravity




Question 7. If the coefficient matrix of a linear system has rank 4, and the augmented matrix has rank 5, then:
  1.    The system has infinitely many solutions
  2.    The system is inconsistent
  3.    There are fewer variables than equations
  4.    The system is homogeneous
 Discuss Question
Answer: Option B. -> The system is inconsistent




Question 8. What are the characters in Matlab are represented in their value in memory?
  1.    decimal
  2.    ASCII
  3.    hex
  4.    string
 Discuss Question
Answer: Option B. -> ASCII




Question 9. Let x and y be solutions to a system of n homogeneous linear equations. If z = ax + by
  1.    z is a solution to the system for all a and b
  2.    z is a solution only if a = 0 and b = 0
  3.    The solution has n - 2 parameters
  4.    There are at most 2 leading variables
 Discuss Question
Answer: Option A. -> z is a solution to the system for all a and b




Question 10. To print a newline in a fprintf statement, you must use the following escape character:
  1.    t
  2.    nl
  3.    nxt
  4.    n
 Discuss Question
Answer: Option D. -> n




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