Computer Science Illuminated
Computer Science Illuminated
6th Edition
ISBN: 9781284055917
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 7, Problem 60E
Program Plan Intro

a.

Top-down design process for buying a toy for 4-year-old cousin:

From the problem 53,

  • Walk to store.
  • Pick a toy.
  • Purchase the toy.

Steps in “walk to store”:

  • Select store.
  • Search the location.
  • Get a bus.

Steps in “pick toy”:

  • Walk up and down in the passage way.
  • Confused at choices.
  • Take nearest large ballooned animal.

Steps in “purchase a toy”:

  • Walk to the clerk.
  • Give the large ballooned animal to the clerk.
  • Provide the credit card to the clerk.
  • Sign the credit card payment receipt.

Program Plan Intro

b.

Top-down design process for organizing an awards banquet for the soccer team:

  • Rent a function hall.
  • Send invitations.
  • Select the menu.
  • Purchase trophies.

Steps in “rent a function hall”:

  • Search the function hall availability.
  • Visit probable options.
  • Decide on one.
  • Make the reservation.

Steps in “send invitations”:

  • Obtain the list of people to call.
  • Purchase the invitations.
  • Address the invitations.
  • Send the invitations.

Steps in “select the menu”:

  • Call the contractors.
  • Ask them to bring menu and cost.
  • Finalize any one.

Steps in “purchase trophies”:

  • Get count to buy.
  • Locate the store that sells trophies.
  • Order trophies over the phone.
  • Collect the trophies.

Program Plan Intro

c.

Top-down design process for buying a dress for an awarding event at which you are being honored:

  • Walk to favorite store.
  • Select dress or suit.
  • Pay for choice.
  • Go home.

Steps in “walk to favorite store”:

  • Select store.
  • Search the location.
  • Get a bus.

Steps in “select dress or suit”:

  • Walk to the floors.
  • Confused at choices.
  • Take suitable color suit or dress.

Steps in “pay for choice”:

  • Walk to the clerk.
  • Provide the credit card to the clerk.
  • Sign the credit card payment receipt.

Steps in “go home”:

  • Search the bus stop.
  • Get a bus.
  • Reach the home.

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