Submitted by Anonymous (not verified) on Mon, 02/25/2013 - 23:24

Workshop
To help solidify your understanding of this hour's lesson, you are encouraged to answer the quiz questions and finish the exercises provided in the Workshop before you move to the next lesson. The answers and hints to the questions and exercises are given in Appendix E, "Answers to Quiz Questions and Exercises."

 

Quiz

1.  Are the integer divisions of 134/100 and 17/10 equal?

2.  Is the result of 3000 + 1.0 a floating-point number? How about 3000/1.0?

3.  How can you represent the following numbers in scientific notation?

3500
0.0035
-0.0035

4. Are the following variable names valid?

  • 7th_calculation
  •  Tom's_method
  • _index
  • Label_1

Exercises

  1. Write a program that prints out the numeric values of characters Z and z.
  2. Given two numeric values, 72 and 104, write a program to print out the corresponding two characters.
  3. For a 16-bit integer variable, can you assign the variable with an integer value of 32768?
  4. Given the declaration double dbl_num = 123.456;, write a program that prints out the value of dbl_num in both floating-point and scientific notation formats.
  5. Write a program that can print out the numeric value of the newline character (\n). (Hint: assign `\n' to a character variable.)

 

Related Items

The if-else Statement

The if-else Statement

The if statement

The if statement

If life were a straight line, it would be very boring. The same thing is true for programming. It would be too dull if the statements in your program could only be executed in the order in which they appear.

Mathematical Functions in C

Mathematical Functions in C

Basically, the math functions provided by the C language can be classified into three groups:

    Trigonometric and hyperbolic functions, such as acos(), cos(), and cosh().

Changing Data Sizes

Changing Data Sizes

Enabling or Disabling the Sign Bit

Enabling or Disabling the Sign Bit

As you know, it's very easy to express a negative number in decimal. All you need to do is put a minus sign in front of the absolute value of the number. But how does the computer represent a negative number in the binary format?