Seek time — is one of the three delays associated with reading or writing data on a computer s disk drive, and somewhat similar for CD or DVD drives. The others are rotational delay and transfer time, and their sum is access time. In order to read or write… … Wikipedia
Access time — is the time delay or latency between a request to an electronic system, and the access being completed or the requested data returned.* In a telecommunications system, access time is the delay between the start of an access attempt and successful … Wikipedia
Shortest seek first — is a disk scheduling algorithm to determine the motion of the disk s arm and head in servicing read and write requests. Description This is a direct improvement upon a first come first served (FIFO) algorithm. The drive maintains an incoming… … Wikipedia
Orders of magnitude (time) — Contents 1 Seconds 2 See also 3 Years 4 See also 5 Footnotes … Wikipedia
access time — noun (computer science) the interval between the time data is requested by the system and the time the data is provided by the drive access time is the sum of seek time and rotational latency and command processing overhead • Topics: ↑computer… … Useful english dictionary
Corporate Average Fuel Economy — CAFE redirects here. For other uses, see Cafe (disambiguation). The Corporate Average Fuel Economy (CAFE) are regulations in the United States, first enacted by the U.S. Congress in 1975,[1] and intended to improve the average fuel economy of… … Wikipedia
In Time — For other uses, see In time (disambiguation). In Time Official poster Directed by Andrew Niccol … Wikipedia
Measuring economic worth over time — The measurement of economic worth over time is the problem of equating past prices, costs, values and proportions of social production to current prices, costs, values and proportions of social production. For a number of reasons the ability to… … Wikipedia
Disk-drive performance characteristics — are the attributes which control the time it takes to transfer (read or write) data between a computer and a data storage device (most typically disk storage) starting with the initial command from the computer or host until the storage device… … Wikipedia
Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] … Wikipedia
Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… … Wikipedia