The correct answer is: C. Stream of characters
A stream of characters is a sequence of characters that are processed one at a time. It is the basic unit of data in computer programming. Characters are represented by numbers, and each character has a unique code point. The ASCII code is a standard character encoding that assigns a unique code point to each character in the English alphabet, as well as to many other characters.
A stream of tokens is a sequence of tokens that are processed one at a time. A token is a group of characters that has a special meaning in a programming language. For example, the token “if” is a keyword in the C programming language, and it indicates the beginning of an if statement.
A stream of bits is a sequence of bits that are processed one at a time. A bit is the smallest unit of data in a computer. It can be either a 0 or a 1. Bits are used to represent numbers, letters, and other characters.
A stream of bytes is a sequence of bytes that are processed one at a time. A byte is a group of 8 bits. Bytes are used to represent numbers, letters, and other characters.
In conclusion, the correct answer is: C. Stream of characters.