Which of the following is not computer hardware?

The Internet Explorer SmartScreen Filter provides several options. Which of these is not one of them?

a. Check This Website b. Filter By Date c. Turn On SmartScreen Filter d. Report Unsafe Website

Write Boolean expressions that represent the given English expressions. Assume any variables used have been declared and initialized.

a) alpha is greater than 1 b) x is odd c) x and y are odd d) ch is an upper case alphabetic character (between 'A' and 'Z'). e) digit, which is f type char, has value that is indeed a digit.