access mechanism

access mechanism

[′ak‚ses ′mek·ə‚niz·əm]
(computer science)
The mechanism of positioning reading or writing heads onto the required tracks of a magnetic disk.
References in periodicals archive ?
FD-DMAC is a three-way handshaking medium access mechanism and the received power information will be obtained after the first handshaking.
And then we develop Priority Access Mechanism to process priority access group prior to normal access group.
For the LAA standard, the 3GPP adopted a listen-before-talk channel access mechanism to share the spectrum fairly.
In addition, the direct memory access mechanism allows overlapping data transfer with computation, thereby, reducing overhead in data transfer among memory hierarchy.
Nikolai Begg, for instance, used his observations of laparoscopic surgeries as motivation for a new puncture access mechanism.
industry evolves, WLAN is becoming the access mechanism of choice for
He said that for this purpose, both LSE and ISE had proposed an access mechanism based on the 'marketaccess fee' to KSE but KSE had refused to join hands.
11e standard defines two MAC protocols: (i) the Enhanced Distributed Channel Access (EDCA) protocol, which is a distributed contention-based channel access mechanism; (ii) and Hybrid Coordination Function (HCF) Controlled Channel Access (HCCA) protocol, which is a centralized polling-based channel access mechanism.
Moody's Interfax notes that Russian regions usually demonstrate adequate capacity to manage short-term refinancing risks during periods of greater systemic risk, aided both by the national government's liquidity access mechanism for RLGs (which helps to offset immediate liquidity
Zhen Ni, Qianmu Li, Tao and Li, Yong Qi in their paper on "A WSN Nodes Access Mechanism and Directed Diffusion in Emergency Circumstances" proposed a new routing framework for building Wireless Sensor Networks in emergency circumstances.
There is also the unfortunate perception that the platform, rather than the access mechanism, is a problem and that innovation can only be delivered by brand new technology, rather than by improving or augmenting current, business-critical applications with the right solution or products.
This realization led to his puncture access mechanism, which is a large improvement over other puncture access technologies and techniques, and led to his $30,000 Lemelson-MIT Student Prize win, one of the most prestigious student prizes, for making surgical procedures less invasive and risky.