According to the 802.11 standard, 23 20MHz wide channels are defined in 5 GHz specturm. Each channel is 20MHz apart and they are separated into three Unlicensed National Information Infrastructure (UNII) bands. 802.11a/n/ac wireless devices can operate within these bands. In United States, UNII-3 is the upper UNII band that spans from 5.725 GHz TO 5.825 GHz and therefore it is the band that access point is operating. UNII-3 is not used in Europe countries for wireless communication.
Java was originally developed by James Gosling at Sun Microsystems (which has since been acquired by Oracle) and released in 1995 as a core component of Sun Microsystems' Java platform 1995 the answer
One principle that can improve the efficiency of I/O would be to move processing primitives into hardware. Primitives are a semantic value representing something else such as words or numbers within the programming language. By moving them into hardware they system is able to read them at a much faster speed making the I/O more efficient.
The information needed to make this decision is readily available. That is because such decisions have been made countless times that strict guidelines have been created to handle any similar future decisions. These strict guidelines are organized as a sequence of events that must be followed accordingly and are always available for when the situation arises. Examples of this would be "What to do when a machine breaks?" or "What constitutes firing an employee?"
