Data Structure and Algorithms (DSA) MCQs with answers Page - 59

Here, you will find a collection of MCQ questions on Data Structure and Algorithms (DSA). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. The string with zero characters is called___________.

  • (A) null string.
  • (B) zero string.
  • (C) one string.
  • (D) empty string.

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Q. The unit equal to the number of bits needed to represent a character is called a ________.

  • (A) byte.
  • (B) bit.
  • (C) mega bytes.
  • (D) kilo bytes.

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Q. The number of swapping needed to sort numbers 8,22,7,9,31,19,5,13 in ascending order using bubble sort is ?

  • (A) 11
  • (B) 12
  • (C) 13
  • (D) 14

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Q. In variable length storage two dollar signs are used to signal the __________.

  • (A) end of the string.
  • (B) beginning of the string.
  • (C) mid-level of the string.
  • (D) index.

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Q. The initial configuration of the queue is a,b,c,d (a is the front end). To get the configuration d,c,b,a one needs a minimum of ?

  • (A) 2 deletions and 3 additions
  • (B) 3 additions and 2 deletions
  • (C) 3 deletions and 3 additions
  • (D) 3 deletions and 4 additions

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Q. Each node in a singly linked lists have ______ fields

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 5

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Q. Quotation marks are also called as ____________.

  • (A) string delimiters.
  • (B) period.
  • (C) stopper.
  • (D) string.

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Q. A string `s` consists of x, y and if x is an empty string then y is called as___________.

  • (A) initial substring.
  • (B) substring of s.
  • (C) node of the string.
  • (D) index.

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Q. The length of the string can be listed as an additional item in _____________.

  • (A) base pointer.
  • (B) pointer array.
  • (C) node.
  • (D) record.

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Q. Who invented Quick sort procedure?

  • (A) Hoare.
  • (B) Sedgewick.
  • (C) Mellroy.
  • (D) Coreman.

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