A BIT, is a BINARY
DIGIT.
A bit can be a zero or a
1.
A binary number made of
eight bits, such as
11001010 is known as a
BYTE.
Four bits, such as 1101
is known as a NIBBLE
(half a byte and a
joke).
Sixteen bits numbers are
a WORD.
Thirty two bits ones are
a LONG WORD.
Sixty four bits numbers
are a VERY LONG WORD.
These numbers can be
stored in REGISTERS
inside chips (integrated
circuits).
1k in binary systems is
1024.
These collections of
bits can represent
binary numbers.
They can also represent
decimal or other number
systems.
The ASCII system uses
them to represent the
letters of the alphabet
and punctuation.
The ASCII TABLE gives
the binary equivalents
of the alphabet.
All this information is
called DATA.
Numbers in
microprocessor systems
are often expressed in
hexadecimal.
The microprocessor is
also called the CENTRAL
PROCESSING UNIT (CPU).
There are very many
cpu's and one of the
most common is the 6502.
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