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Total No. of Questions : 09B.Tech.(ECSE) (Sem.-5)
MICROCONTROLLER & EMBEDDED SYSTEM
Subject Code : BTEL-502
M.Code : 70578
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Time : 3 Hrs. Max. Marks : 60INSTRUCTION TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
- Answer briefly :
- What is the function of ALE signal in an 8051 microcontroller?
- How many ways an 8051 microcontroller can be interrupted?
- What are special function registers? Explain in brief.
- What is the size of internal RAM in 8051 microcontroller?
- What do you mean by SCON in microcontroller 8051?
- What is the difference between the MOVX and MOVC instructions?
- What is operation of instruction ADD A, # n?
- Differentiate between SIMP and LIMP instructions.
- What is the function of PSEN pin of 8051?
- What is the significance of TCON register?
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SECTION-B
- Explain in detail the timer mode control register (TCON).
- Explain the rotate and swap operation in microcontroller 8051.
- Explain the differences between a microprocessor and a microcontroller.
- What are the various serial transmission modes of 8051?
- Write a program to multiply two 8-bit numbers in 8051.
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SECTION-C
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- Draw the architectural diagram of 8051 microcontroller. Discuss the role of each block.
- Give an introduction to latest microcontrollers and list their applications explaining any one of them.
- Interface a 2X16 LCD with 8051 and write program to display “HELLO” on the first line of that LCD.
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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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)
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