Of course, bar codes have been with us for several years, plagued by high cost and ineffective system design which have dampened some usersa#39; enthusiasm. ... HP has introduced its new wand into two separate but complementary markets: its HEDS-3000 wand produces a TTL output data stream for connection to ... When the computer has verified the input, the operator is signalled, usually with a beep.
Title | : | Interactive Computing |
Author | : | Association of Computer Users (U.S.). |
Publisher | : | - 1980 |
You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.
Once you have finished the sign-up process, you will be redirected to your download Book page.
How it works: