Computer Science Illuminated
Computer Science Illuminated
6th Edition
ISBN: 9781284055917
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 3, Problem 37E
Program Plan Intro

Given information:

  • The value of A is given as -499999.
  • The value of B is given as 3.

Number line:

  • Number line is a line used to represent the real numbers in a horizontal line.
  • Every point in a horizontal line represents a real number.
  • Positive numbers are represented to the right of zero and negative numbers are represented to the left of zero.
  • Number line is mainly used for the operation of basic addition and subtraction performed on negative numbers.
  • The number line for decimal digit 6 is as follows,

Computer Science Illuminated, Chapter 3, Problem 37E

Explanation of Solution

b.

Calculating value for an expression “A-B”:

  • To evaluate the result of the given expression “A-B”, substitute the value of A as -499999 and B as 3 in the expression.
  • From fixed-sized number line for decimal digit 6,
    • The equivalent integer value in number line for the given value -499999 of A is 500001...

Explanation of Solution

c.

Calculating value for an expression “B+A”:

  • To evaluate the result of the given expression “B+A”, substitute the value of B as 3 and A as -499999 in the expression.
  • From fixed-sized number line for decimal digit 6,
    • The equivalent integer value in number line for the given value -499999 of A is 500001...

Explanation of Solution

d.

Calculating value for an expression “B-A”:

  • To evaluate the result of the given expression “B-A”, substitute the value of B as 3 and A as -499999 in the expression.
  • From fixed-sized number line for decimal digit 6,
    • The equivalent integer value in number line for the given value -499999 of A is 500001...

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