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Q2162
what is RFID equipment
Radio-frequency identification
The tags contain electronically stored information.
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Q2162
what is RFID equipment
Radio-frequency identification
Some tags are powered and read at short ranges (a few meters) via magnetic fields ( electromagnetic induction ).
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Q2162
what is RFID equipment
Radio-frequency identification
Others use a local power source such as a battery, or else have no battery but collect energy from the interrogating EM field, and then act as a passive transponder to emit microwaves or UHF radio waves (i.e., electromagnetic radiation at high frequencies).
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Q2162
what is RFID equipment
Radio-frequency identification
Battery powered tags may operate at hundreds of meters.
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Q2162
what is RFID equipment
Radio-frequency identification
Unlike a bar code , the tag does not necessarily need to be within line of sight of the reader, and may be embedded in the tracked object.
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Q2162
what is RFID equipment
Radio-frequency identification
RFID tags are used in many industries.
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Q2162
what is RFID equipment
Radio-frequency identification
An RFID tag attached to an automobile during production can be used to track its progress through the assembly line.
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Q2162
what is RFID equipment
Radio-frequency identification
Pharmaceuticals can be tracked through warehouses.
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Q2162
what is RFID equipment
Radio-frequency identification
Livestock and pets may have tags injected , allowing positive identification of the animal.
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Q2162
what is RFID equipment
Radio-frequency identification
Since RFID tags can be attached to clothing, possessions, or even implanted within people , the possibility of reading personally-linked information without consent has raised privacy concerns.
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Q2163
what is comp time in disd
Overtime
Overtime is the amount of time someone works beyond normal working hours.
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Q2163
what is comp time in disd
Overtime
Normal hours may be determined in several ways:
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Q2163
what is comp time in disd
Overtime
by custom (what is considered healthy or reasonable by society),
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Q2163
what is comp time in disd
Overtime
by practices of a given trade or profession,
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Q2163
what is comp time in disd
Overtime
by legislation,
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Q2163
what is comp time in disd
Overtime
by agreement between employers and workers or their representatives.
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Q2163
what is comp time in disd
Overtime
Most nations have overtime labor laws designed to dissuade or prevent employers from forcing their employees to work excessively long hours.
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Q2163
what is comp time in disd
Overtime
These laws may take into account other considerations than the humanitarian, such as preserving the health of workers so that they may continue to be productive, or increasing the overall level of employment in the economy.
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Q2163
what is comp time in disd
Overtime
One common approach to regulating overtime is to require employers to pay workers at a higher hourly rate for overtime work.
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Q2163
what is comp time in disd
Overtime
Companies may choose to pay workers higher overtime pay even if not obliged to do so by law, particularly if they believe that they face a backward bending supply curve of labour .
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Q2163
what is comp time in disd
Overtime
Overtime pay rates can cause workers to work longer hours than they would at a flat hourly rate.
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Q2163
what is comp time in disd
Overtime
Overtime laws, attitudes toward overtime and hours of work vary greatly from country to country and between different economic sectors.
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Q2164
What is the main disadvantage of using algorithms
Force-directed graph drawing
Visualization of links between pages on a wiki using a force-directed layout.
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Q2164
What is the main disadvantage of using algorithms
Force-directed graph drawing
Force-directed graph drawing algorithms are a class of algorithms for drawing graphs in an aesthetically pleasing way.
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Q2164
What is the main disadvantage of using algorithms
Force-directed graph drawing
Their purpose is to position the nodes of a graph in two-dimensional or three-dimensional space so that all the edges are of more or less equal length and there are as few crossing edges as possible, by assigning forces among the set of edges and the set of nodes, based on their relative positions, and then using these forces either to simulate the motion of the edges and nodes or to minimize their energy.
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Q2164
What is the main disadvantage of using algorithms
Force-directed graph drawing
While graph drawing can be a difficult problem, force-directed algorithms, being physical simulations, usually require no special knowledge about graph theory such as planarity .
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Q2165
what is lost purchasing power
Purchasing power
Purchasing power (sometimes retroactively called adjusted for inflation) is the amount of goods or services that can be purchased with a unit of currency .
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Q2165
what is lost purchasing power
Purchasing power
For example, if you had taken one dollar to a store in the 1950s, you would have been able to buy a greater number of items than you would today, indicating that you would have had a greater purchasing power in the 1950s.
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Q2165
what is lost purchasing power
Purchasing power
Currency can be either a commodity money , like gold or silver , or fiat currency , or free-floating market-valued currency like US dollars .
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Q2165
what is lost purchasing power
Purchasing power
As Adam Smith noted, having money gives one the ability to "command" others' labor , so purchasing power to some extent is power over other people, to the extent that they are willing to trade their labor or goods for money or currency .
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Q2165
what is lost purchasing power
Purchasing power
If one's monetary income stays the same, but the price level increases, the purchasing power of that income falls.
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Q2165
what is lost purchasing power
Purchasing power
Inflation does not always imply falling purchasing power of one's money income since it may rise faster than the price level.
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Q2165
what is lost purchasing power
Purchasing power
A higher real income means a higher purchasing power since real income refers to the income adjusted for inflation.
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Q2165
what is lost purchasing power
Purchasing power
For a price index , its value in the base year is usually normalized to a value of 100.
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Q2165
what is lost purchasing power
Purchasing power
The purchasing power of a unit of currency, say a dollar, in a given year, expressed in dollars of the base year, is 100/P, where P is the price index in that year.
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Q2165
what is lost purchasing power
Purchasing power
So, by definition the purchasing power of a dollar decreases as the price level rises.
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Q2165
what is lost purchasing power
Purchasing power
The purchasing power in today's money of an amount C of money, t years into the future, can be computed with the formula for the present value :
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Q2165
what is lost purchasing power
Purchasing power
where in this case i is an assumed future annual inflation rate .
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Q2166
what is the primary language of South Korea
Education in South Korea
Education in South Korea is viewed as being crucial for success and competition is consequently very heated and fierce.
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Q2166
what is the primary language of South Korea
Education in South Korea
A central administration oversees the process for the education of children from kindergarten to the third and final year of high school .
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Q2166
what is the primary language of South Korea
Education in South Korea
Mathematics , science , Korean , English , and social studies are generally considered to be the most important subjects.
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Q2166
what is the primary language of South Korea
Education in South Korea
Normally physical education is not considered important as it is not recognised, by the generally academic elitist South Korean populace, as education and therefore many schools lack high-quality gymnasiums and varsity athletics.
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Q2166
what is the primary language of South Korea
Education in South Korea
South Korea was the first country in the world to provide high-speed internet access to all primary, junior, and high schools.
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Q2166
what is the primary language of South Korea
Education in South Korea
Although South Korean students often rank highly on international comparative assessments when compared to students of most Western education systems, the South Korean education system is criticised for emphasising too much upon passive learning and memorisation.
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Q2166
what is the primary language of South Korea
Education in South Korea
The South Korean education system is rather notably strict and overly structured as compared to its counterparts in most Western societies.
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Q2166
what is the primary language of South Korea
Education in South Korea
Also, the prevalence of non-school for-profit private institutes such as academies or cram-schools ( Hagwon [학원]), which too emphasise on passive memorisation, as opposed to conceptual understanding, in students are criticised as a major social problem.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The My Lai Massacre ( , ; , , or ) was the Vietnam War mass murder of between 347 and 504 unarmed civilians in South Vietnam on March 16, 1968, by United States Army soldiers of "Charlie" Company of 1st Battalion , 20th Infantry Regiment , 11th Brigade of the Americal Division .
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
Victims included women, men, children, and infants.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
Some of the women were gang-raped and their bodies were later found to be mutilated and many women were allegedly raped prior to the killings.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
While 26 U.S. soldiers were initially charged with criminal offenses for their actions at Mỹ Lai, only Second Lieutenant William Calley , a platoon leader in Charlie Company, was convicted.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
Found guilty of killing 22 villagers, he was originally given a life sentence, but only served three and a half years under house arrest.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The massacre took place in the hamlets of My Lai and My Khe of Son My village.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The event is also known as the Son My Massacre, especially in the Vietnamese state media.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The U.S. military codeword for the "Viet Cong stronghold" was "Pinkville".
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The incident prompted global outrage when it became public knowledge in 1969.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The massacre also increased domestic opposition to the U.S. involvement in the Vietnam War .
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
Three U.S. servicemen who had tried to halt the massacre and protect the wounded were initially denounced by several U.S. Congressmen as traitors.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
They received hate mail and death threats and found mutilated animals on their doorsteps.
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Q2167
who was charged with murder after the massacre at My lai
My Lai Massacre
The three were later widely praised and decorated by the Army for their heroic actions.
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
The hijackers in the September 11 attacks were 19 men affiliated with al-Qaeda , and 15 of the 19 were citizens of Saudi Arabia .
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
Others were from Egypt , Lebanon , and the UAE .
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
The hijackers were organized into four teams, each led by a pilot-trained hijacker with four "muscle hijackers" who were trained to help subdue the pilots, passengers, and crew.
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
The first hijackers to arrive in the United States were Khalid al-Mihdhar and Nawaf al-Hazmi , who settled in the San Diego area in January 2000.
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
They were followed by three hijacker-pilots, Mohamed Atta , Marwan al-Shehhi , and Ziad Jarrah early in the summer of 2000 to undertake flight training in south Florida .
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
The fourth hijacker-pilot, Hani Hanjour , arrived in San Diego in December 2000.
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Q2168
who were the hijackers in 9-11
Hijackers in the September 11 attacks
The rest of the "muscle hijackers" arrived in the spring and early summer of 2001, just months before the September 11 attacks .
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Q2170
what was muhammad's vision
Muhammad
Abū al-Qāsim Muḥammad ibn ʿAbd Allāh ibn ʿAbd al-Muṭṭalib ibn Hāshim () ( circa| 570 – circa| 8 June 632), also transliterated as Muhammad (), was a religious, political, and military leader from Mecca who unified Arabia into a single religious polity under Islam .
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Q2170
what was muhammad's vision
Muhammad
He is believed by Muslims and Bahá'ís to be a messenger and prophet of God .
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Q2170
what was muhammad's vision
Muhammad
Muhammad is almost universally considered by Muslims as the last prophet sent by God for mankind.
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Q2170
what was muhammad's vision
Muhammad
Non-Muslims regard Muhammad as the founder of Islam.
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Q2170
what was muhammad's vision
Muhammad
Muslims consider him to be the restorer of an unaltered original monotheistic faith of Adam , Noah , Abraham , Moses , Jesus , and other prophets .
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Q2170
what was muhammad's vision
Muhammad
Born in about 570 CE in the Arabian city of Mecca , he was orphaned at an early age and brought up under the care of his uncle Abu Talib .
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Q2170
what was muhammad's vision
Muhammad
He later worked mostly as a merchant, as well as a shepherd, and was first married by age 25.
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Q2170
what was muhammad's vision
Muhammad
Being in the habit of periodically retreating to a cave in the surrounding mountains for several nights of seclusion and prayer, he later reported that it was there, at age 40, that he received his first revelation from God.
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Q2170
what was muhammad's vision
Muhammad
Three years after this event Muhammad started preaching these revelations publicly, proclaiming that " God is One ", that complete "surrender" to Him (lit.
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Q2170
what was muhammad's vision
Muhammad
islām ) is the only way ( dīn ) acceptable to God, and that he himself was a prophet and messenger of God, in the same vein as other Islamic prophets .
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Q2170
what was muhammad's vision
Muhammad
Muhammad gained few followers early on, and was met with hostility from some Meccan tribes ; he and his followers were treated harshly.
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Q2170
what was muhammad's vision
Muhammad
To escape persecution, Muhammad sent some of his followers to Abyssinia before he and his followers in Mecca migrated to Medina (then known as Yathrib) in the year 622.
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Q2170
what was muhammad's vision
Muhammad
This event, the Hijra , marks the beginning of the Islamic calendar , which is also known as the Hijri Calendar.
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Q2170
what was muhammad's vision
Muhammad
In Medina, Muhammad united the tribes under the Constitution of Medina .
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Q2170
what was muhammad's vision
Muhammad
After eight years of fighting with the Meccan tribes, his followers, who by then had grown to 10,000, took control of Mecca in the largely peaceful Conquest of Mecca .
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Q2170
what was muhammad's vision
Muhammad
He destroyed the pagan idols in the city and then sent his followers out to destroy all of the remaining pagan temples in Eastern Arabia.
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Q2170
what was muhammad's vision
Muhammad
In 632, a few months after returning to Medina from The Farewell Pilgrimage , Muhammad fell ill and died.
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Q2170
what was muhammad's vision
Muhammad
By the time of his death, most of the Arabian Peninsula had converted to Islam , and he had united Arabia into a single Muslim religious polity .
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Q2170
what was muhammad's vision
Muhammad
The revelations (or Ayah , lit.
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Q2170
what was muhammad's vision
Muhammad
"Signs [of God]") — which Muhammad reported receiving until his death – form the verses of the Quran, regarded by Muslims as the "Word of God" and around which the religion is based.
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Q2170
what was muhammad's vision
Muhammad
Besides the Quran, Muhammad's life ( sira ) and traditions ( sunnah ) are also upheld by Muslims as the sources of sharia law .
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Q2170
what was muhammad's vision
Muhammad
They discuss Muhammad and other prophets of Islam with reverence, adding the phrase peace be upon him whenever their names are mentioned.
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Q2170
what was muhammad's vision
Muhammad
While conceptions of Muhammad in medieval Christendom and premodern times were largely negative, appraisals in modern history have been far less so.
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Q2171
Who is the world's oldest living person
Oldest people
This is a list of tables of the verified oldest people in the world in ordinal rank, such as oldest person or oldest man.
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Q2171
Who is the world's oldest living person
Oldest people
In these tables, a supercentenarian is considered 'verified' if his or her claim has been validated by an international body that specifically deals in longevity research, such as the Gerontology Research Group (GRG) or Guinness World Records .
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Q2171
Who is the world's oldest living person
Oldest people
The longest unambiguously documented human lifespan is that of Jeanne Calment of France (1875–1997), who died at age 122 years, 164 days.
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Q2171
Who is the world's oldest living person
Oldest people
She met Vincent van Gogh when she was 12 or 13.
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Q2171
Who is the world's oldest living person
Oldest people
This led to news media attention in 1985, after Calment turned 110.
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Q2171
Who is the world's oldest living person
Oldest people
Subsequent investigation found documentation for Calment's age, beyond any reasonable question, in the records of her native city, Arles , France.
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Q2171
Who is the world's oldest living person
Oldest people
More evidence of Calment's lifespan has been produced than for any other supercentenarian; her case serves as an archetype in the methodology for verifying the ages of the world's oldest people.
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Q2171
Who is the world's oldest living person
Oldest people
The longest undisputed lifespan for male supercentenarians is that of Jiroemon Kimura , who currently lives in Japan and is age as of .
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Q2171
Who is the world's oldest living person
Oldest people
Since the death of 115-year old Dina Manfredini of the United States , on 17 December 2012, Kimura, born 19 April 1897, is the oldest living person in the world whose age can be documented.
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Q2171
Who is the world's oldest living person
Oldest people
He has also been the oldest living man since the death of 114-year old Walter Breuning on 14 April 2011.
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Q2171
Who is the world's oldest living person
Oldest people
Since the death of 115-year old Koto Okubo of Japan on 12 January 2013, the oldest living woman has been -year-old Misao Okawa , also from Japan, born on 5 March 1898.
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