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A MAC address (short for medium access control address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth. Within the Open Systems Interconnection ...
See also. List of assigned /8 IPv4 address blocks. Some large /8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a ...
z/Architecture, initially and briefly called ESA Modal Extensions (ESAME), is IBM 's 64-bit complex instruction set computer (CISC) instruction set architecture, implemented by its mainframe computers. IBM introduced its first z/Architecture-based system, the z900, in late 2000. [1] Later z/Architecture systems include the IBM z800, z990, z890 ...
International Business Machines Corporation(using the trademarkIBM), nicknamed Big Blue,[6]is an American multinationaltechnology companyheadquartered in Armonk, New Yorkand present in over 175 countries. [7][8]IBM is the largest industrial research organization in the world, with 19 research facilities across a dozen countries, having held the ...
IBM Enterprise Systems Architecture is an instruction set architecture introduced by IBM as ESA/370 in 1988. It is based on the IBM System/370-XA architecture.. It extended the dual-address-space mechanism introduced in later IBM System/370 models by adding a new mode in which general-purpose registers 1-15 are each associated with an access register referring to an address space, with ...
The IBM System/360 architecture is the model independent architecture for the entire S/360 line of mainframe computers, including but not limited to the instruction set architecture. The elements of the architecture are documented in the IBM System/360 Principles of Operation[ 1 ][ 2 ] and the IBM System/360 I/O Interface Channel to Control ...
31-bit computer. The Librascope LGP-30 was an early off-the-shelf computer. The LGP-30 was first manufactured in 1956, [ 8 ] at a retail price of $47,000, [citation needed] equivalent to $530,000 in 2023. [ 9 ] It was a binary, 31-bit word computer with a 4096-word drum memory. There were 32 bit locations per drum word, but only 31 were used ...
t. e. Hexadecimal floating point (now called HFP by IBM) is a format for encoding floating-point numbers first introduced on the IBM System/360 computers, and supported on subsequent machines based on that architecture, [1][2][3] as well as machines which were intended to be application-compatible with System/360. [4][5] In comparison to IEEE ...