An x86-based OS processes 32 bits at a time.
one bit at a time
The first microprocessor was the 4004. It could handle 4 bits at a time.
If the bus frequency is one gigahertz (GHz), it means it can transmit one billion cycles per second. Considering each cycle can transfer one bit, the bus can transfer one billion bits per second or 1 gigabit per second (Gbps).
Define 'bits'
one kilobit or k is 1024 bits
A Gibibyte (GiB) is a unit of digital information storage equal to 2^30 bytes. One byte is equal to 8 bits, and one bit can represent a binary value of 0 or 1. Therefore, 1 Gibibyte is equivalent to 2^30 * 8 bits. To convert this to minutes, we need to know the data transfer rate in bits per minute to calculate the time it would take to transfer 1 Gibibyte of data.
The microprocessor used in the first home computer was the 8080. It could handle 8 bits at a time.
A parallel port is capable of transferring more than one bit at a time. It can transfer multiple bits simultaneously using multiple data lines.
8 bits make one bite
8,796,093,022,300 Bits in one "teraByte"
1 000 000