Ruby MCQ

Test your knowledge with important Ruby MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Ruby MCQs at Bissoy

• first_name,Last_name=gets.chomp,gets.chomp is the correct way to get the input from the user.
  ক

  True

  খ

  False
• Why is gets not preferred instead of gets.chomp?
  ক

  Gets add an extra new line while chomp removes it

  খ

  Gets remove an extra new line

  গ

  Chomp erases the value stored in the variable

  ঘ

  All of the mentioned
• For getting an input from the user which method is used?
  ক

  get

  খ

  gets.chomp

  গ

  get-s

  ঘ

  chomp
• We use semicolon or parentheses after every print or puts statement.
  ক

  True

  খ

  False
• Why is the library function ‘puts’used for?
  ক

  Prints whatever is given and print it to the screen

  খ

  Prints whatever is given and insert a new(blank) line

  গ

  Gets input from the user

  ঘ

  None of the mentioned
• Which of the following is not a valid library function?
  ক

  Puts

  খ

  Print

  গ

  Gets

  ঘ

  Get
• What is the range of octal notation (\nnn)?
  ক

  0-8

  খ

  0-7

  গ

  0-A

  ঘ

  None of the mentioned
• Which of the following is not a valid datatype?
  ক

  Float

  খ

  Integer

  গ

  Binary

  ঘ

  Timedate
• What is the sequence of ruby strings?
  ক

  16-bit bytes

  খ

  8-bit bytes

  গ

  10-bit bytes

  ঘ

  None of the mentioned
• What does the notataion \b stands for?
  ক

  Escape

  খ

  Space

  গ

  Backspace

  ঘ

  Newline
• Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?
  ক

  Bignum

  খ

  Octal

  গ

  Fixnum

  ঘ

  Binary
• Ruby can deal with both numbers and floating point values.
  ক

  True

  খ

  False
• What is the size of an integer data type in ruby?
  ক

  -230 to 230

  খ

  -230 to 2(30-1)

  গ

  -229 to 230

  ঘ

  -260 to 261
• Ruby is a case-sensitive language.
  ক

  True

  খ

  False
• Why can not we use quotation marks (‘ or “) with boolean?
  ক

  It indicates that we are talking about a string

  খ

  It indicates that we are assining a value

  গ

  It indicates that that we are replacing boolean data type with string data type

  ঘ

  None of the mentioned
• What will any variable evaluate to if it is of Boolean data type?
  ক

  True

  খ

  Nil

  গ

  False

  ঘ

  Either True or False
• Which of the following datatypes are valid in Ruby?
  ক

  Numbers

  খ

  Boolean

  গ

  String

  ঘ

  All of the mentioned
• Ruby can be used for developing internet and intranet applications.
  ক

  True

  খ

  False
• It is must for Ruby to use a compiler.
  ক

  True

  খ

  False
• Ruby can be embedded into Hypertext Markup Language(HTML).
  ক

  True

  খ

  False
• Which of the following are valid floating point literal?
  ক

  .5

  খ

  2

  গ

  0.5

  ঘ

  None of the mentioned
• What is the extension used for saving the ruby file?
  ক

  .ruby extension

  খ

  .rb extension

  গ

  .rrb extension

  ঘ

  None of the mentioned
• Which of the following languages syntax matches with the Ruby’s syntax?
  ক

  Perl

  খ

  PHP

  গ

  Java

  ঘ

  Jquery
• Which of the following features does the 2.0 version of ruby supports?
  ক

  Method keyword arguments

  খ

  New literals

  গ

  Security fixes

  ঘ

  All of the mentioned
• Which of the following is supported by Ruby?
  ক

  Multiple Programming Paradigms

  খ

  Dynamic Type System

  গ

  Automatic Memory Management

  ঘ

  All of the Mentioned
• Ruby is an object oriented general purpose programming language.
  ক

  True

  খ

  False