1, The full form of JDC is Japanese Digital Cellular. It’s used on Technology ,Communication in Japan

Personal Digital Cellular(PDC), formerly called Japanese Digital Cellular (JDC) is a Japanese telecommunication standard for 2G used exclusively in Japan. Personal Digital Cellular radio system operating in the 800 MHz, 900 MHz, and 1400 MHz frequency bands.

Japanese, second-generation (2G/2.5G) digital cellular standard operating in the 800MHz and 1,500MHz frequency bands.

Personal Digital Cellular (PDC) was a 2G mobile telecommunications standard used exclusively in Japan.

After a peak of nearly 80 million subscribers to PDC, it had 46 million subscribers in December 2005, and was slowly phased out in favor of 3G technologies like W-CDMA and CDMA2000. At the end of March 2012, the count had dwindled down to almost 200,000 subscribers. NTT Docomo shut down their network, mova, on April 1, 2012 at midnight.

2, The full form of JDC is American Jewish Joint Distribution Committee. It’s used on Associations & Organizations ,Social Welfare Organizations in United States

American Jewish Joint Distribution Committee (JDC or Joint) is a worldwide Jewish relief organization headquartered in New York.

The American Jewish Joint Distribution Committee, also known as the Joint or the JDC, is a Jewish relief organization based in New York City

The JDC was founded in 1914, initially to provide assistance to Jews living in Palestine under Turkish rule

The JDC began its efforts to save Jews with a donation of $50,000 from Jacob Schiff, a wealthy Jewish entrepreneur and philanthropist. He was the main funder of the organization and helped raise funds to save and aid Jews around the world. Additionally, the American Jewish Relief Committee helped collect funds for the JDC. Several wealthy, Reform Jews founded the American Jewish Relief Committee on October 25, 1914. Jacob Schiff was one of these men, along with Louis Marshall, the president of the committee, and Felix M. Warburg. The Central Relief Committee, founded on October 4, 1914, also helped provide funds to the JDC. Eastern European, Orthodox Jews, such as Leon Kamaiky, founded this organization. Almost one year later, in August 1915, the socialist People’s Relief Committee, headed by Meyer London, joined in to provide funds to the JDC. After a few years, the JDC and the organizations assisting it had raised significant funds and were able to make a noteworthy impact. By the end of 1917, the JDC had transferred $76,000 to Romania, $1,532,300 to Galicia, $2,5532,000 to Russia, and $3,000,000 to a German-occupied Poland and Lithuania. By 1920, the JDC had set nearly $5,000,000 to assist the Jews in Poland. Between 1919 and 1920, during the emergency relief period, the JDC had disbursed over $22,000,000 to help in restoration and relief across Europe

3, The full form of JDC is Juvenile Detention Center. It’s used on Governmental ,Departments & Agencies in United States

A Juvenile Detention Center (JDC) or youth detention center, is a secure residential facility for young people, who are awaiting adjudication of their cases by the Juvenile Courts. The Center also provides care for youth who have been transferred from Juvenile Court jurisdiction to Criminal Court.

In criminal justice systems a youth detention center, known as a juvenile detention center (JDC), juvenile detention, juvenile hall, or more colloquially as juvie/juvy, also sometimes referred as observation home or remand home is a prison for people under the age of 21, often termed juvenile delinquents, to which they have been sentenced and committed for a period of time, or detained on a short-term basis while awaiting trial or placement in a long-term care program. Juveniles go through a separate court system, the juvenile court, which sentences or commits juveniles to a certain program or facility.