Gigahertz, generally abbreviated GHz, refers to frequencies in the billions of cycles per second range. Giga is the standard multiplier for 1 billion, and Hertz is the standard unit for measuring frequencies, expressed as cycles or occurrences per second. One GHz is equivalent to 1,000 megahertz . Most commonly, gigahertz is used when discussing computer performance or radio frequencies. In computers, it most often refers to the clock speed of the central processing unit ; the faster the CPU clock can tick, the faster, in general, the computer can process data and instructions.
In Italy, France, Belgium, and French-speaking areas of Switzerland and Canada, 1 April tradition is often known as April fish (poissons d'avril in French or pesce d'aprile in Italian).This includes attempting to attach a paper fish to the victim's back without being noticed.ome precursors of April Fools' Day include the Roman festival of Hilaria, the Holi festival of India, and the Medieval Feast of Fools. In Chaucer's Canterbury Tales (1392), the  Nun's Priest's Tale  is set Syn March bigan thritty dayes and two.
Christmas Eve Fish in the Rest of Italy. While only those in southern Italy and Sicily celebrate Christmas Eve with a feast of seven fishes, there are other Italian traditions that have ties to the Feast of Seven Fishes. Eaten in many parts of Italy on Christmas Eve is a dish called cenone, which is made of eel. Eel is regarded as a delicacy in Italy, and therefore a must on every table for Christmas Eve, regardless of whether there are numerous other fish dishes or not.