ANSWERS: 3
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A bit (short for binary digit) is the smallest unit of data in a computer. A bit has a single binary value, either 0 or 1. A byte is a unit of data that is eight binary digits long. A byte is the unit most computers use to represent a character such as a letter, number, or typographic symbol (for example, "g", "5", or "?"). A byte can also hold a string of bits that need to be used in some larger unit for application purposes (for example, the stream of bits that constitute a visual image for a program that displays images or the string of bits that constitutes the machine code of a computer program). In some computer systems, four bytes constitute a word, a unit that a computer processor can be designed to handle efficiently as it reads and processes each instruction. Some computer processors can handle two-byte or single-byte instructions. http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci211721,00.html
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a bit is a binary digit which is the basic unit of informational storage a byte is a colletion of bits (pretty much just the plural of bit) source: http://en.wikipedia.org/wiki/Bit
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Just to clarify: an "octet" is a collection of eight bits. A "byte" is a basic unit of addressable storage in a computer system and generally corresponds with the size of a single character, usually between six and nine bits. Basically, it is the number of bits stored between sucessive memory locations. In this modern day and age, virtually all computers have a byte size of eight bits (they all use octets). I also seem to remember there being a "nibble" or "nybble" which is half a byte.
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