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Question:
What will the following expression evaluate to?
!true && !false

1. True

2.False

3.Error

4. None of the mentioned

Posted Date:-2022-02-07 13:22:25

More MCQS Questions and answers

  1. If expression. The expression can be of which type?
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  3. What is the output of the code? print "What's your first name?" first_name=gets.chomp a=first_name.capitalize first_name.capitalize! print "What's your last name?" last_name=gets.chomp b=last_name.capitalize last_name.capitalize! puts "My name is #{first_name} #{last_name}"
  4. What is the output of the given code? a = 5 b=10 while a <10 || b<20 puts a*b a+=2 b+=2 end
  5. What is the output of the given code? "Ruby Language".length = begin calculate length = end
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  7. What is the output of the given code? a = 5 b=10 while a <10 && b<20 puts a*b a+=2 b+=2 end
  8. What is the output of the given code? Ans=Ruby puts "#[Ans] is an oop language"
  9. What is the output of the given code? my_string=Ruby puts(my_string)
  10. What is the range of octal notation ( nn)?
  11. What will be the output of the following? "Eric".irreverse
  12. What will be the output of the following? "Ruby".reverse.upcase
  13. What will be the output of the given code? boolean_1 = false || -10 > -9 puts boolean_1
  14. What will the following expression evaluate to? true && false
  15. Which of the following is a valid assignment operator?
  16. Which of the following is a valid boolean operator?
  17. Which of the following is supported by Ruby?
  18. Which of the following is the valid string method?
  19. Why do we use comments?
  20. For getting an input from the user which method is used?
  21. How to comment a single line?
  22. How to comment multiple lines in ruby?
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  29. What does the **= assignment operator do?
  30. What does the .upcase method do?
  31. What does the notataion  stands for?
  32. What is the extension used for saving the ruby file?
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  34. What is the output of the code? if 11<2 print "Eleven is less than two" end print "11 is greater"
  35. What is the output of the code? print "What's your first name?" first_name=gets.chomp a=first_name.capitalize first_name.capitalize! print "What's your last name?" last_name=gets.chomp b=last_name.capitalize last_name.capitalize puts "My name is #{first_name} #{last_name}"
  36. What is the output of the following? if 1<2 print "one is less than two" end
  37. What is the output of the following? "Iam learning ruby language".length
  38. What is the output of the given code? a = 5 b=10 while (a <10 || b<20)&&true puts a*b a+=2 b+=2 end
  39. What is the output of the given code? a= 5 b=10 while a <10 && b<20 puts a-b a+=2 b+=2 end
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  41. What is the output of the given code? x, y, z = 12, 36, 72 puts "The value of x is #{ x }." puts "The sum of x and y is #{ x + y }." puts "The average was #{ (x + y + z)/3 }."
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  43. What is the output of the given code? a = 5 b=10 while a <10 && b<20 puts a+b a+=2 b+=2 end
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