An eight bit byte is capable of representing how many different characters?

The ASCII code of ‘A’ is

Which of the following Boolean expression represents the shaded portion of the Venn diagram? Note: Here "." represents an AND operation and "+" denotes an OR operation.

A petabyte represents approximately

Which protocol needs to be installed for Internet access on a network?

Which one of the following is not a valid rule of Boolean algebra?

Consider x and y be some Boolean variables, + denotes the OR operation and "." denotes the AND operation. What will be the simplified form of the Boolean expression: x.(x + y)?