Download PTU B.Sc-Hons 2020 March 3rd Sem 76603 Electronic Fundamentals And Digital Techniques Ii Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc Hons (Bachelor of Science Honours) 2020 March Previous Question Papers

1 | M-76603 (S2)- 1631
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Hons) Aircraft Maintenance (2018 Batch) (Sem.?3)
ELECTRONIC FUNDAMENTALS AND DIGITAL TECHNIQUES-II
Subject Code : BSCARM-305-18
M.Code : 76603
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a. What are storage devices?
b. How does CPU work?
c. What is the difference between multiplexer and demultiplexer?
d. Give the difference between RAM and ROM.
e. Explain the principle of LED.
f. What is ACARS used for?
g. How is temperature controlled in IMA?
h. Define cockpit ventilation control in IMA.
i. Define Cabin Intercommunication Data System.
j. What is the full form of LRU?

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1 | M-76603 (S2)- 1631
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Hons) Aircraft Maintenance (2018 Batch) (Sem.?3)
ELECTRONIC FUNDAMENTALS AND DIGITAL TECHNIQUES-II
Subject Code : BSCARM-305-18
M.Code : 76603
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a. What are storage devices?
b. How does CPU work?
c. What is the difference between multiplexer and demultiplexer?
d. Give the difference between RAM and ROM.
e. Explain the principle of LED.
f. What is ACARS used for?
g. How is temperature controlled in IMA?
h. Define cockpit ventilation control in IMA.
i. Define Cabin Intercommunication Data System.
j. What is the full form of LRU?

2 | M-76603 (S2)- 1631
SECTION-B
2. What are the main parts of microcomputer? Explain with block diagram.
3. Explain the operation of multiplexer along with its logic diagram.
4. Describe the principle of operation of an LCD.
5. Explain the working and arrangement of ECAM system.
6. Explain the general arrangement of Built in Test Equipment (BITE).

SECTION-C
7. Explain the operation of data storage systems used in microcomputer. Give their
advantages and disadvantages.
8. a. What are cabin network services? Explain briefly.
b. Explain how the data system provides interface between cockpit/cabin crew and cabin
systems.
9. Write a short note on :
a. Landing gear extension and retraction
b. Integrated modular Avionics.






NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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