9. Suppose you are searching for a girls name written using only the letters D, N and A. You have the letters ordered alphabetically (A, D, N) and you start writing down possibilities: A, D, N, AA, AD, AN, DA, DD, DN, NA, ND, NN, ... (a) How many strings of four or fewer letters are there where the letters are D, N or A? (b) In the above possibilities, are you searching in a depth first or breadth first way? (c) What are the next three possible names you would write down? (d) How many possibilities will you write down ANNA?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question


9. Suppose you are searching for a girls name written using only the letters
D, N and A. You have the letters ordered alphabetically (A, D, N)
and you start writing down possibilities:
A, D, N, AA, AD, AN, DA, DD, DN, NA, ND, NN, ...
(a) How many strings of four or fewer letters are there where the
letters are D, N or A?
(b) In the above possibilities, are you searching in a depth first or
breadth first way?
(c) What are the next three possible names you would write down?
(d) How many possibilities will you write down ANNA?

Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Mergesort
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education