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ANNA UNIVERSITY OF TECHNOLOGY
B.E / B.TECH, DEGREE EXAMINATIONS : NOV / DEC 2011
REGULATIONS : 2008
SEVENTH SEMESTER - EEE
080280067 – VIRTUAL INSTRUMENTATION
Time : 3 Hours Max. Marks : 100
PART – A
( 10 * 2 = 20 MARKS )
ANSWER ALL QUESTIONS
1) List any four merits of virtual instrumentation
2) What is an SCSI?
3) What is image acquisition?
4) What are strings?
5) List any four functions of SCADA software.
6) What are bus utility signals?
7) Expand PCMCIA.
8) What is GPIB?
9) Compare PXI and VXI.
10) List a few local and global variables.
PART – B
( 5 * 16 = 80 MARKS )
ANSWER ALL QUESTIONS
11) (a) Write in detail about loops and charts. Explain them with an example. Explain in detail about local variables with examples.
( OR )
(b) What is meant by data acquisition system and explain in detail the different elements present in this types of systems.
12) (a) What is a PXI controller? Explain the types of PXI controllers in detail.
( OR )
(b) Explain how case and sequence structures are used in VI programming. Explain in detail
about publishing measurement data in the web.
13) (a) Explain I/O ports, display the mode control port and display status port in Graphics Adapter.
( OR )
(b) Distributed I/O modules and Applications of virtual instrumentation.
14) (a) Explain in detail about the architecture of PCMCIA with its applications.
( OR )
(b) Discuss interfacing of current loop and RS 232C to PC.
15) (a) Explain the program architecture of GPIB code for devices simulator using conventional VI’s with respect to that of VISA.
( OR )
(b) How VISA software interfaces permit the use of instruments under GPIB?
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Download - Virtual Question paper 2011