Select the true statements from the following (more than one statement can be selected): a. In ASCII, upper case and lower case characters differ by precisely one bit. b. The big problem with the ASCII character set is that it is now very old. c. Unicode contains a single code for each character in use worldwide d. ASCII still includes characters intended to control old-style line printers. Java uses UTF-16 as its internal character representation. f As an eight-bit character set, ASCII contains 256 characters. Og ASCII and UTF-8 are binary compatible in the sense that any UTF-8 file can be read as if it were ASCII. Oh. UTF-16 gets its name because all characters are multiples of sixteen bits long. e