Which line in the following code is the loop control variable update?   Line1:       total = 0; Line2:       x=input(‘enter a value for x: ‘); Line3:       while (x ~= 10) Line4:              total=total +x; Line5:              x=x*2; Line6:              disp(x); Line7:              x=input(‘enter a value for x: ‘); Line8:        end  

The following function header line is not valid: function [] = news( )

In Matlab, a function can return multiple results.

To create a row vector, enclose a list of values in brakets.

1.  Name 2 identifying labels on the oil immersion lens that can help you  recognize it.  

What is the output of the following code fragment?   x=0; while( x < 5)       disp(x); end x=x+1; disp(x);  

Which of the following is not a relational operator:

What will be printed by the following statement if the value of the select is ‘Q’:       switch (select)         case {‘Q’, ‘q’}             disp(‘quit’);       case {‘R’, ‘r’}             disp(‘redo’);       case {‘P’, ‘p’}              disp(‘play ‘);       otherwise             disp(‘other ‘); end    

In Matlab the function max(x) is only valid if x is row vector.

The following loop is executed 3 times:   c = 0; while (c