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  2. Student and Exchange Visitor Program - Wikipedia

    en.wikipedia.org/wiki/Student_and_Exchange...

    The SEVIS fee must be paid after receiving the initial document (I-20 or DS-2019) and is a prerequisite for obtaining the F, J, or M visa, [26] or if transitioning to student status using Form I-539. [27] The fee needs to be paid only for the principal (the F-1, J-1, or M-1). Dependents (F-2, J-2, and M-2) do not need to pay the fee.

  3. J-1 visa - Wikipedia

    en.wikipedia.org/wiki/J-1_visa

    For example: the return date is the next day after the student's last exam. If the visitor leaves the United States during these 30 days, the visitor may not re-enter with the J-1 visa. The minimal and the maximal duration of stay are determined by the specific J-1 category under which an exchange visitor is admitted into the United States.

  4. F visa - Wikipedia

    en.wikipedia.org/wiki/F_visa

    Application Process: Acceptance to a SEVP-approved school; Obtain Form I-20 from the school; Pay SEVIS fee; Apply for F-1 visa at U.S. embassy or consulate [3] Restrictions: Cannot enter U.S. more than 30 days before program start date [3] Oversight: U.S. Department of Homeland Security (DHS) and Department of State

  5. I-20 (form) - Wikipedia

    en.wikipedia.org/wiki/I-20_(form)

    The SEVIS number on the I-20 is needed while paying the SEVIS fee. [12] It is needed when applying for the F visa or M visa, both when filling the application form and during the interview. [citation needed] It is needed when seeking admission to the United States. At the time of admission, a valid visa as well as a valid I-20 are needed.

  6. Premium Processing Service - Wikipedia

    en.wikipedia.org/wiki/Premium_Processing_Service

    Premium Processing Service is an optional premium service offered by the United States Citizenship and Immigration Services to individuals and/or employers filing Form I-129 (Petition for a Nonimmigrant Worker), Form I-140 (Immigrant Petition for Alien Worker), Form I-539 (Application to Extend/Change Nonimmigrant Status- currently available to those applying for F, M or J status only) or Form ...

  7. List of semiconductor scale examples - Wikipedia

    en.wikipedia.org/wiki/List_of_semiconductor...

    TSMC began risk production of 256 Mbit SRAM memory chips using a 7 nm process in April 2017. [125] Samsung and TSMC began mass production of 7 nm devices in 2018. [126] Apple A12 and Huawei Kirin 980 mobile processors, both released in 2018, use 7 nm chips manufactured by TSMC. [127]

  8. Form I-94 - Wikipedia

    en.wikipedia.org/wiki/Form_I-94

    Form I-94, the Arrival-Departure Record Card, is a form used by U.S. Customs and Border Protection (CBP) intended to keep track of the arrival and departure to/from the United States of people who are not United States citizens or lawful permanent residents (with the exception of those who are entering using the Visa Waiver Program or Compact of Free Association, using Border Crossing Cards to ...

  9. Flowchart - Wikipedia

    en.wikipedia.org/wiki/Flowchart

    Nassi-Shneiderman diagrams and Drakon-charts are an alternative notation for process flow. Common alternative names include: flow chart, process flowchart, functional flowchart, process map, process chart, functional process chart, business process model, process model, process flow diagram, work flow diagram, business flow diagram. The terms ...