An operating system is considered application software.

When you give ls an argument that is the name of a directory, ls displays the contents of that directory. Give an ls command with an argument of the absolute pathname of two (see step 3) to display the contents of the two directory. When you use an absolute pathname, it does not matter which directory is your working directory.

What will be an ideal response?

Answer the following statements true (T) or false (F)

1. Octal (base 8) and hexadecimal (base 15) are commonly used with computers. 2. There are computers that work directly with octal or hex. 3. Computers are at their most efficient when working with character strings. 4. Many computers can store and manipulate precise scientific numbers called real or floating-point numbers. 5. String values (sometimes called character values) are typically stored as sets of individual characters, with each character represented by a code.