Which is NOT a way to access commands?

Which of the following statements is false?

a. A floating-point number is a number with a decimal point. b. Java provides two primitive types for storing floating-point numbers in memory—float and double. c. Variables of type float represent single-precision floating-point numbers and have seven significant digits. d. Variables of type double represent double-precision floating-point numbers; these require twice as much memory as float variables and provide 14 significant digits.

One of the forms of malicious code is a worm. Please briefly describe a worm, a mass-mailing worm, and a denial of service attack.

What will be an ideal response?