45. Consider the GPIB interface between a talker and a listener as shown in Figure 13-86(a). From the handshaking timing diagram in part (b), determine how many data bytes are actually trans- ferred to the listening device. Talker Listener Data bus DAV DAV NRFD NRFD Transfer bus NDAC NDAC (a) (b) FIGURE 13-86

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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45. Consider the GPIB interface between a talker and a listener as shown in Figure 13-86(a). From
the handshaking timing diagram in part (b), determine how many data bytes are actually trans-
ferred to the listening device.
Talker
Listener
Data bus
DAV
DAV
NRFD
NRFD
Transfer
bus
NDAC
NDAC
(a)
(b)
FIGURE 13-86
Transcribed Image Text:45. Consider the GPIB interface between a talker and a listener as shown in Figure 13-86(a). From the handshaking timing diagram in part (b), determine how many data bytes are actually trans- ferred to the listening device. Talker Listener Data bus DAV DAV NRFD NRFD Transfer bus NDAC NDAC (a) (b) FIGURE 13-86
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