1.1 What is hardware? What is software?

       Hardware components of a computer system are the physical pieces. Software is the programs and data        used by those programs.

1.2 What are the two jobs of an operating system?

       An operating system is the main software of a computer. It has two functions: to provide a user interface        that allows a user to interact with the computer, and to manage the computer resource (CPU and main        memory).

1.3 What happens to information when it is stored digitally?

       Information is broken into pieces and shown as numbers.

1.4 How many items can be represented with the following?

       a. 2 bits=4 items

       b. 4 bits=16 items

       c. 5 bits=32 items

       d. 7 bits=