Download SGBAU BSc 2019 Summer 6th Sem Electronics Advanced Microprocessor n Microcontroller Question Paper

FirstRanker.com

B.Sc. Part—III (Semester—VI) Examination

ELECTRONICS

--- Content provided by FirstRanker.com ---

(Advanced Microprocessor and Microcontroller)

Time : Three Hours] [Maximum Marks : 80

Note :— (1) Question No. 1 is compulsory.

(2) Draw neat diagram wherever necessary.

1. (A) Fill in the blanks with appropriate words : — 2
   1. BIU stands for .

   --- Content provided by FirstRanker.com ---

   2. PSW stands for _
   3. Intel 8086 is pin IC.
   4. SCON stand for

1. (B) Choose the correct alternative :— 2
   1. (i) 8086 pp have ___ - operating modes.
      1. (@ 5

      --- Content provided by FirstRanker.com ---

      2. (b) 4
      3. (c) 2
      4. (d) 8
   2. (i) IC 8086 up has __ byte queue register.
      1. (@) 4

      --- Content provided by FirstRanker.com ---

      2. ® 8
      3. () 6
      4. (d) 12
   3. (iii) Full duplex system consists of __ way Communication.
      1. (a) One

      --- Content provided by FirstRanker.com ---

      2. (b) Two
      3. (c) Three
      4. (d) None
   4. (iv) Memory Capacity of 8086 upis _
      1. (a) 2 MB

      --- Content provided by FirstRanker.com ---

      2. (b) 4 MB
      3. (c) 1 MB
      4. (d) 8 MB

--- Content provided by FirstRanker.com ---

1. (C) Answer in one sentence only :— 4
   1. What is the addressing mode of MOV AX, BX ?
   2. State segment register of 8086 up.
   3. What is PC in 8086 microprocessor ?
   4. State the addressing modes of MOV DPTR# 1234H.

--- Content provided by FirstRanker.com ---

EITHER

1. (A) Explain operating modes of 8086 pp. 6
2. (B) What is use of memory segmentation in 8086 pp ? Explain the various segment registers. 6

OR

1. (P) Explain general purpose registers of 8086 pup. 6

--- Content provided by FirstRanker.com ---

1. (i) M/I0 (i) MN/MX
2. (iii) RD (iv) WR 4

1. (R) What is the function of instruction queue in 8086 up ? 2

EITHER

1. (A) Write ALP to add the contents of the location 2000 : 0500 H to the contents of 3000 : 0600 H and Store result in 5000 H : 0700 H. 6

--- Content provided by FirstRanker.com ---

2. (B) Explain Based, [ndex and Based-Index addressing modes with suitable example. 6

OR

1. (P) Identity the addressing modes of following 8086 pp instructions —
   1. (i) MOV AL, [0401 H]
   2. (i) ADD AX, [SI]
   3. (iii) XCHG AX, BX

   --- Content provided by FirstRanker.com ---

   4. (iv) MOV AL, 58H. 4

1. (Q) Explain MUL & IMUL instruction of 8086 up. 4

1. (R) Write an ALP to transfer 16-bit numbers 1000 H, 2000 H, 3000 H in register AX, BX & DX respectively. The data segment is starting from 4000 H 4

EITHER

--- Content provided by FirstRanker.com ---

1. (A) State the salient features of 8051 microcontroller. 4
2. (B) Explain the function of ctatus bits RS, & RS, of 8051 microccntroller. 3
3. (C) Explain the function of &SP, PC and DPTR of 8051 microcontroller. 5

OR

1. (P) Draw the block diagram of 8051 microcontroller and explain the function of ALU, ACC and Reg B. 7

--- Content provided by FirstRanker.com ---

2. (Q) What is Register Bank ? Explain Register Bank of 8051 Microcontroller. 5

EITHER

1. (A) Explain Immediate and Direct addressing modes of 8051 MCS. 4
2. (B) Explain data transfer and Arithmetic instruction of 8051 MCS. 4
3. (C) Draw the flow chart and write @ program te multiply 0911 to 08H and store the result in register R,. 4

--- Content provided by FirstRanker.com ---

1. (P) Write ALP to subtract EIH from FIH and store result in register RO. 4
2. (Q) Explain Register and Register indirect addressing mode of 8051 MCS with suitable example. . 4
3. (R) Explain logical instruction with suitable example. 4

EITHER

1. (A) Explain Idle and Power down mode of 8051 MCS. 6

--- Content provided by FirstRanker.com ---

2. (B) Explain Simplex, half & full duplex transmission. 6

OR

1. (P) Explain interfacing of RS 232 with 8051 MCS. Draw suitable diagram. 6
2. (Q) What is power mode control register (PCON) of 8051 MCS ? Explain. 6

EITHER

--- Content provided by FirstRanker.com ---

1. (A) Draw block diagram of AVR AT Mega 32 A MCS and explain each block. 8
2. (B) Explain EEPROM data memory of AT Mega 32A MCS. 4

OR

1. (P) What are the different power saving options in AVR AT Mega 32A MCS ? Explain. 6
2. (Q) Explain Status Register of AVR AT Mega 32A MCS. 6

--- Content provided by FirstRanker.com ---

FirstRanker.com