Data segment

In computing, a data segment (often denoted .data) is a portion of an object file or the corresponding virtual address space of a program that contains initialized static variables, that is, global variables and static local variables. The size of this segment is determined by the size of the values in the program's source code, and does not change at run time.

The data segment is read-write, since the values of variables can be altered at run time. This is in contrast to the read-only data segment (rodata segment or .rodata), which contains static constants rather than variables; it also contrasts to the code segment, also known as the text segment, which is read-only on many architectures. Uninitialized data, both variables and constants, is instead in the BSS segment.

Historically, to be able to support memory address spaces larger than the native size of the internal address register would allow, early CPUs implemented a system of segmentation whereby they would store a small set of indexes to use as offsets to certain areas. The Intel 8086 family of CPUs provided four segments: the code segment, the data segment, the stack segment and the extra segment. Each segment was placed at a specific location in memory by the software being executed and all instructions that operated on the data within those segments were performed relative to the start of that segment. This allowed a 16-bit address register, which would normally provide 64KiB (65536 bytes) of memory space, to access a 1MiB (1048576 bytes) address space.

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Data (moth)

Data is a genus of moths of the Noctuidae family.

Species

Data aroa (Bethune-Baker, 1906)

Data callopistrioides (Moore, 1881)

Data clava (Leech, 1900)

Data dissimilis Warren, 1911

Data eriopoides Prout, 1928

Data manta (Swinhoe, 1902)

Data obliterata Warren, 1911

Data ochroneura (Turner, 1943)

Data pratti (Bethune-Baker, 1906)

Data rectisecta Warren, 1912

Data rhabdochlaena Wileman & West, 1929

Data thalpophiloides Walker, 1862

Data variegata (Swinhoe, 1895)

References

Natural History Museum Lepidoptera genus database

Data at funet

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Data (Star Trek)

Lieutenant Commander Data (/ˈdeɪtə/ DAY-tə) is a character in the fictional Star Trek universe portrayed by actor Brent Spiner. He appears in the television series Star Trek: The Next Generation and the feature films Star Trek Generations, Star Trek: First Contact, Star Trek: Insurrection and Star Trek: Nemesis.

An artificial intelligence and synthetic life form designed and built by Doctor Noonien Soong, Data is a self-aware, sapient, sentient, and anatomically fully functional android who serves as the second officer and chief operations officer aboard the Federation starships USS Enterprise-D and USS Enterprise-E. His positronic brain allows him impressive computational capabilities. Data experienced ongoing difficulties during the early years of his life with understanding various aspects of human behavior and was unable to feel emotion or understand certain human idiosyncrasies, inspiring him to strive for his own humanity. This goal eventually led to the addition of an "emotion chip", also created by Soong, to Data's positronic net. Although Data's endeavor to increase his humanity and desire for human emotional experience is a significant plot point (and source of humor) throughout the series, he consistently shows a nuanced sense of wisdom, sensitivity, and curiosity, garnering immense respect from his peers and colleagues.

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Pira

Pira or PIRA may refer to:

Places

Pira, Victoria, locality in Victoria, Australia

Pira, Benin, town in Benin

Pira, Tarragona, Spain

Pira District, Huaraz Province, Peru

Organisations

Physics Instructional Resource Association

Provisional Irish Republican Army

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location on Google Map

Piraí

Coordinates: 22°37′44″S 43°53′52″W / 22.62889°S 43.89778°W / -22.62889; -43.89778 Piraí (Portuguese pronunciation: [piɾɐˈi]) is a municipality located in the Brazilian state of Rio de Janeiro. Its population was 24,021 (2005) and its area is 505 km².

References

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Piraí

Provisional Irish Republican Army

The Provisional Irish Republican Army (IRA or PIRA) was an Irish republican paramilitary organisation that sought to remove Northern Ireland from the United Kingdom and bring about an independent republic encompassing all of Ireland. It was the biggest and most active republican paramilitary group during the Troubles. It saw itself as the successor to the original IRA and called itself simply the Irish Republican Army, or Óglaigh na hÉireann in Irish. It was also widely referred to as such by others. The IRA is designated an unlawful terrorist organisation in the United Kingdom and an unlawful organisation in the Republic of Ireland.

The Provisional IRA emerged in December 1969, following a split in the republican movement. The Troubles had begun a year before, when a largely Catholic, nonviolent civil rights campaign was met with violence from both Ulster loyalists and the Royal Ulster Constabulary, culminating in the August 1969 riots and deployment of British troops. The IRA initially focused on defence, but it began an offensive campaign in 1971 (see timeline). The IRA's primary goal was to force the British to negotiate a withdrawal from Northern Ireland. It used guerrilla tactics against the British Army and RUC in both rural and urban areas. It also carried out a bombing campaign in Northern Ireland and England against what it saw as political and economic targets. The IRA called a final ceasefire in July 1997, after Sinn Féin was re-admitted into the Northern Ireland peace talks. It supported the 1998 Good Friday Agreement and in 2005 it disarmed under international supervision.