Review Questions

You'll find answers to the review questions in Appendix A, “Answers to the Review Questions.”

1:Determine which expressions are true and which are false.
  1. 100 > 3 && 'a'>'c'

  2. 100 > 3 || 'a'>'c'

  3. !(100>3)

2:Construct an expression to express the following conditions:
  1. number is equal to or greater than 1 but smaller than 9.

  2. ch is not a q or a k character.

  3. number is between 1 and 9 but is not a 5.

  4. number is not between 1 and 9.

3:The following program has unnecessarily complex relational expressions as well as some outright errors. Simplify and correct it.
 #include <stdio.h> int main(void) /* 1 */ { /* 2 */ int weight, height; /* weight in lbs, height in inches */ /* 4 */ scanf("%d, weight, height); /* 5 */ if (weight < 100) /* 6 */ if ...

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