Glossary of Printing Terms:
Null Characters

Characters added to a data stream that will not affect its information content.

It is sometimes necessary to use null characters to satisfy timing requirements or to fill in portions of message fields that are unused but must be filled in.

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212.619.5446 • Email • 212.883.8088
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315 Madison Avenue, NYC 10017
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629 Grove Street, Jersey City, NJ 07310
Open Monday - Friday: 9:30AM - 4:00PM
*No Walk-In Appointments*