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2014 Acharya Nagarjuna University Bapatla Engineering College - PC Based Instrumentation - B.Tech 4th Year - 2nd Semester - April 2014 Question paper

Course:   University/board: Acharya Nagarjuna University

Do you want the previous question papers of PC Based Instrumentation - Bapatla Engineering College - B.Tech? This is the original question paper from the B.Tech fourth year second semester exam conducted by Bapatla Engineering College in April 2014. Feel free to store a copy and use it to prepare for your upcoming exams.

IV/IV B.Tech Degree Examinations, April 2014

Second Semester

PC Based Instrumentation

Time : 3 hours

Maximum Marks : 60

Answer question No.1 Compulsory

Answer ONE question from each Unit

1. Answer the following [12 x 1 = 12M]
a) What is the difference between GPIB and Serial?
b) Name the different subsystems in PC.
c) What are the two methods of editing & executing mat lab scripts in lab view?
d) List the types of structures available in lab view.
e) What is BIOS?
f) What are the advantages of local and global variables?
g) What is machine status word?
h) Define sub VI.
i) What is the use of drivers in a PC?
j) List the features of RS232C serial bus.
k) What is VISA?
l) The initial value 'I' of the for loop is?

UNIT - I [1 x 12 = 12M]

2. a) Explain the operation of a DMA controller with a neat diagram.
2. b) With a neat diagram explain the interfacing of DAC to PC. (OR)
3. a) Explain about the various bus topologies. List the advantages and disadvantages.
3. b) Write about read and write operations on ISA and VME buses.

UNIT - II [1 x 12 = 12M]

4. a) Explain data transfer scheme for Add – on cards.
4. b) What is an Add – on card? Explain any one of the add – on card with a neat diagram. (OR)
5. a) Explain briefly the different types of device drivers.
5. b) What is the difference between static and loadable device drivers?

UNIT - III [1 x 12 = 12M]

6. a) Write in detail about data flow techniques.
6. b) Write about graphical programming in VI. (OR)
7. a) Explain the three main components of a virtual instrument (VI).
7. b) Explain the SCADA programming.

UNIT - IV [1 x 12 = 12M]

8. a) Write in detail about case and sequence structures with suitable theory and explain.
8. b) Explain the instrument drivers design techniques in VI. (OR)
9. a) Explain clearly about GPIB.
9. b) Explain the following:
(i) PXI system controller.
(ii) VXI system controller.

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