The pace of computer or the pc processor is dependent upon the time period, which will be the quantity of time taken between two impulses of an oscillator. Broadly speaking, impulses per second’s larger quantity, the quicker the pc processor will have the ability to process info.
The time rate is calculated in Hz, usually both megahertz (MHz) or gigahertz (GHz).Most modern synchronous circuits use only a “single phase clock” – in other words, they transmit all clock signals on (effectively) 1 wire.
In synchronous circuits, a “two-phase clock” refers to clock signals distributed on 2 wires, each with non-overlapping pulses. Traditionally one wire is called “phase 1” or “φ1”, the other wire carries the “phase 2” or “φ2” signal.
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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.