Table of metric prefixes for SI units.

Giga- (/ ˈɡɪɡə / or / ˈdʒɪɡə /) is a unit prefix in the metric system denoting a factor of a short-scale billion or long-scale milliard (10 9 or 1,000,000,000). It has the symbol G. Giga- is derived from the Greek word γίγας (gígas), meaning "giant".

Kilo, mega, giga, tera, peta, exa and zetta are among the binary prefixes used to denote the quantity of something, such as a byte or bit in computing and telecommunications. Sometimes …

Each prefix has a unique symbol that is prepended to any unit symbol. The prefix kilo, for example, may be added to gram to indicate multiplication by one thousand: one kilogram is equal to one thousand grams.

2010年1月13日 · FAQ: How do I pronounce the prefix giga? The Merriam-Webster Collegiate Dictionary

A binary prefix indicates multiplication by a power of two. The tenth power of 2 (2 10) has the value 1024, which is close to 1000. This has prompted the use of the metric prefixes kilo, mega, and giga to also denote the powers of 1024 which is common in information technology with the unit of digital information, the byte.

Metric Numbers (See also Metric/Imperial Conversion Charts and Unit Converter) What is kilo, mega, giga, tera ... ? In the Metric System there are standard ways to talk about big and small numbers: "kilo" for a thousand, "mega" for a million, and more ...

Giga is a SI unit prefix in the metric system denoting a factor of a billion (10⁹ or 1000000000). It is represented by the prefix giga or the symbol G. Giga is derived from the Greek word γίγας, meaning giant.

For example, giga represents 1 followed by nine zeros. Therefore it is written as 1 000 000 000 or it can be written as 1000 000 000. Using spaces to group the zeros is acceptable. Similarly micro is represented by 1/1000 000. Using narrow spaces makes it easier for humans to read numbers quickly without making errors.

2014年8月11日 · Prefixes for the powers of ten are grouped into sets of three zeros, with smaller increments near the number 1. Scientific notation is a useful means of writing out very large or …