Computer Science Illuminated
Computer Science Illuminated
7th Edition
ISBN: 9781284155617
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
Question
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Chapter 2, Problem 21E
Program Plan Intro

a.

Rules for finding the number of 1s in a number:

  • The below rules must be followed for finding out the number of 1s in a number.
    • Convert the given number into its corresponding decimal value.
    • Mark the position of the number.
      • This position represents numbers of 1s, 10s, 100s and so on.
      • From right to left, the last position represents the number of 1s in a number; the next position represents the number of 10s in a number. Similarly, it represents the position and their occurrences’ consecutively.

Explanation of Solution

b.

Conversion of 891 into base 8:

  • Generally there are 8 digits from 0 to 7...

Explanation of Solution

c.

Conversion of 891 into base 12:

  • is a base 12 number.
  • Convert the number 891 to base 10 and then process it from right to left.
  • Start the power of base 12 from 0.
  • While converting, from right to left,
    • Multiply digit 1 with 12 to the power of zero which gives one...

Explanation of Solution

d.

Conversion of 891 into base 13:

  • is a base 13 number.
  • Convert the number 891 into base 10 and then process it from right to left.
  • Start the power of base 13 from 0.
  • While converting, from right to left,
    • Multiply digit 1 with base 13 to the power of zero which gives one...

Explanation of Solution

e.

Conversion of 891 into base 16:

  • is a base 16 number.
  • Convert the number 891 into base 10 and then process it from right to left.
  • Start the power of base 16 from 0.
  • While converting, from right to left,
    • Multiply digit 1 with base 16 to the power of zero which gives one...

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