Measures the amount of data transferred per second between two modems. For example, a PowerPC chip running at 400 MHz processes information at a different rate of bits per second than a Pentium chip running at the same frequency, he explains. A unit of frequency of one cycle per second. 1 kilohertz equals 1 thousand cycles per second. Kilohertz is a low frequency that's rarely used in PCs, except to specify the bandwidth of digital and analog signals.
More common frequencies are megahertz and gigahertz.
1 megahertz equals 1 million cycles per second. 1 gigahertz equals 1 billion cycles per second. Million instructions per second, or the number of machine instructions that a computer can execute in one second. MIPS has evolved into megahertz as a speed measure for smaller computers. This connection then functions as the network backbone.