在現代計算機體系結構中 CPU 可以使用單獨的指令直接讀取或寫入,被認為是計算機的核心。而 CPU 和主存儲器的組合,任何信息傳入或傳出 CPU /內存組合,例如通過從磁盤驅動器讀取數據,就會被認為是 I/O;CPU 及其電路版提供用於低階編程的存儲器映射 I/O,例如在設備驅動程序的實現中,或者提供對 I/O通道的訪問。一個 I/O算法設計是利用內存,而且高效地進行與輔助存儲設備交換數據時,如一個磁盤驅動器。
Place in Moyen-Ogooué, Gabon Lambaréné Street in Lambaréné Lambaréné Location in Gabon Coordinates: 0°41′18″S 10°13′55″E / 0.68833°S 10.23194°E / -0.68833; 10.23194 Coordinates: 0°41′18″S 10°13′55″E / 0.68833°S 10.23194°E / -0.68833; 10.23194 Country Gabon Province Moyen-Ogooué Population (2013 census) • Total 38,775 Lambaréné is a town and the capital of Moyen-Ogooué in Gabon. With a population of 38,775 as of 2013, it is located 75 kilometres south of the equator. Lambaréné is based in the Central African Rainforest at the river Ogooué. This river divides the city into 3 districts: Rive Gauche, Ile Lambaréné and Rive Droite. The Albert Schweitzer Hospital and the districts Adouma and Abongo are located on Rive Droite. The districts Atongowanga, Sahoty, Dakar, Grand Village, Château, Lalala and Bordamur build the Ile Lambaréné. The majority of the people in Lambaréné live in the district Isaac located on Rive Gauche. This distr...
This article is about the number. For the year, see 800. For other uses, see 800 (disambiguation). Natural number ← 799 800 801 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 → Cardinal eight hundred Ordinal 800th (eight hundredth) Factorization 2 5 × 5 2 Greek numeral Ω´ Roman numeral DCCC Binary 1100100000 2 Ternary 1002122 3 Quaternary 30200 4 Quinary 11200 5 Senary 3412 6 Octal 1440 8 Duodecimal 568 12 Hexadecimal 320 16 Vigesimal 200 20 Base 36 M8 36 800 ( eight hundred ) is the natural number following 799 and preceding 801. It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number. Contents 1 Integers from 801 to 899 1.1 800s 1.2 810s 1.3 820s 1.4 830s 1.5 840s 1.6 850s 1.7 860s 1.8 870s 1.9 880s 1.10 890s 2 References Integers from 801 to 899 800s Main article: 801...