कवर छवि

NCR data communications concepts

ग्रंथसूची विवरण
निगमित लेखक: National Cash Register Company (Dayton, Ohio). Technical Education Department
स्वरूप: पुस्तक
भाषा:अंग्रेज़ी
प्रकाशित: Derby, Conn. E & L Instruments 1978.
संस्करण:Rev.
श्रृंखला:Bug-book continuing education series 6
विषय:
Data transmission systems.
Telecommunication.