direct access

(redirected from Immediate access)
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direct access

a method of reading data from a computer file without reading through the file from the beginning as on a disk or drum
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

direct access

[də′rekt ′ak·ses]
(computer science)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

direct access

(1) See Microsoft DirectAccess.

(2) The ability to read or write a specific storage location without having to go through any locations before or after it. Generally synonymous with "random access." Magnetic disks, SSDs, optical data discs and RAM are the primary direct access hardware in a computer.

Access Via Software First
Data are commonly accessed by first scanning an index or by a direct access computation that determines their storage addresses. See index, direct access method and random file.


Early Direct Access
Using a deck of 3x14" magnetic cards, NCR's CRAM was a direct access storage device in the 1960s. By the end of that decade, magnetic disks were becoming mainstream. See CRAM for more details. (Image courtesy of NCR Corporation.)
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References in periodicals archive ?
Digital Science added that Anywhere Access provides unmediated document delivery capabilities, which allows immediate access to content outside of current subscriptions.
Epic will also have immediate access to Eastern's in-house banking and equity departments to receive updated market information, and exclusive sign-in access through the Eastern Union App to proprietary information regarding recent loan terms, quotes, and comps.
In his ruling, Judge Jeffrey Schmehl dismissed the idea that granting Williams immediate access to the land violates the sisters' religious freedom.
failing to put in place data processing systems that were capable of providing regulators with direct and immediate access to reported data;
"With an inventory offering in excess of 500,000 part numbers, Cytech is able to offer its users immediate access to the crystal and oscillator products they need."
Paula Williams, also a Rural Watch Team member, added: "If there is theft of farm machinery, sheep worrying or a breach in a livestock boundary, it will help the attending police team to have immediate access to know who the field belongs to.
To help get patients started on therapy sooner, an immediate access clinic (IAC) was established, in which patients could be seen within 1 day to 2 weeks of their referral, or seen immediately for a brief evaluation without a referral.
A spokesman for the United Nations Relief and Works agency (Unrwa) told the BBC that more than 5,000 of the 10,000 refugees were on the move.He added that at least four people had died, urging immediate access to the site.
will give the Pittsburgh, Pa.-based firm immediate access to the greater New England area medical market, ThermalTherapeutics executives said.
He was drawn eight of ten, would have immediate access to the rail, and was bound to dictate matters before winding it up in the straight.
This acquisition gives The Crossing Company immediate access to the large volume of pipeline projects currently under way in the U.S.