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.

DATA (band)

DATA were an electronic music band created in the late 1970s by Georg Kajanus, creator of such bands as Eclection, Sailor and Noir (with Tim Dry of the robotic/music duo Tik and Tok). After the break-up of Sailor in the late 1970s, Kajanus decided to experiment with electronic music and formed DATA, together with vocalists Francesca ("Frankie") and Phillipa ("Phil") Boulter, daughters of British singer John Boulter.

The classically orientated title track of DATA’s first album, Opera Electronica, was used as the theme music to the short film, Towers of Babel (1981), which was directed by Jonathan Lewis and starred Anna Quayle and Ken Campbell. Towers of Babel was nominated for a BAFTA award in 1982 and won the Silver Hugo Award for Best Short Film at the Chicago International Film Festival of the same year.

DATA released two more albums, the experimental 2-Time (1983) and the Country & Western-inspired electronica album Elegant Machinery (1985). The title of the last album was the inspiration for the name of Swedish pop synth group, elegant MACHINERY, formerly known as Pole Position.

Data (word)

The word data has generated considerable controversy on if it is a singular, uncountable noun, or should be treated as the plural of the now-rarely-used datum.

Usage in English

In one sense, data is the plural form of datum. Datum actually can also be a count noun with the plural datums (see usage in datum article) that can be used with cardinal numbers (e.g. "80 datums"); data (originally a Latin plural) is not used like a normal count noun with cardinal numbers and can be plural with such plural determiners as these and many or as a singular abstract mass noun with a verb in the singular form. Even when a very small quantity of data is referenced (one number, for example) the phrase piece of data is often used, as opposed to datum. The debate over appropriate usage continues, but "data" as a singular form is far more common.

In English, the word datum is still used in the general sense of "an item given". In cartography, geography, nuclear magnetic resonance and technical drawing it is often used to refer to a single specific reference datum from which distances to all other data are measured. Any measurement or result is a datum, though data point is now far more common.

Memorial

A memorial is an object which serves as a focus for memory of something, usually a person (who has died) or an event. Popular forms of memorials include landmark objects or art objects such as sculptures, statues or fountains, and even entire parks.

Types

The most common type of memorial is the gravestone or the memorial plaque. Also common are war memorials commemorating those who have died in wars. Memorials in the form of a cross are called intending crosses.

Online memorials and tributes are becoming increasingly popular especially with the increase in natural burial where the laying of gravestones, or memorial plaques, is often not permitted.

When somebody has died, the family may request that a memorial gift (usually money) be given to a designated charity, or that a tree be planted in memory of the person.

Sometimes, when a high school student has died, the memorials are placed in the form of a scholarship, to be awarded to high-achieving students in future years.

Examples of notable memorials

Memorial to the throne

A memorial to the throne (Chinese: 章表, zhāngbiǎo) was an official communication to the Emperor of China. They were generally careful essays in Classical Chinese and their presentation was a formal affair directed by government officials. Submission of a memorial was a right theoretically available to everyone from the Crown Prince to a common farmer, but the court secretaries would read them aloud to the emperor and exercised considerable control over what was considered worthy of his time. They were used in imperial China as a means of regulating corrupt local officials who might otherwise have escaped oversight.

Han dynasty

Under the Han dynasty, generally, the reception of memorials was the responsibility of the Imperial Secretary tasked with overseeing provincial administration. He generally needed to present any formal memorials, but could reject them for improper formatting. Masters of Writing under the Minister Steward then copied and processed these prior to submission to the emperor. Under Emperor An, however, Zhang Heng was placed in charge of reception of the memorials as part of his post as Prefect of the Majors for Official Carriages under the Ministry of Guards.

Memorial (society)

Memorial (Russian: Мемориа́л) is a Russian historical and civil rights society that operates in a number of post-Soviet states. It focuses on recording and publicising the Soviet Union's totalitarian past, but also monitors human rights in Russia and other post-Soviet states.

Mission and activities

Memorial's full name is MEMORIAL: An International Historical, Educational, Human Rights And Charitable Society. According to its charter, Memorial aims:

This is done, in particular, by keeping an electronic database of the victims of political terror in the USSR.