MICROPROCESSOR Question Bank 1.Discuss the development of Intel 86 family of microprocessors. Briefly indicate theadditional features introduced at each stage of development from 8086 to Pentium IV. Dec 2016(06 Marks) 2.What is microprocessor? Explain how data, address and control buses interconnect various system components. June 2016(06 Marks),Dec 2012(06 Marks) 3.Draw and explain the programming model of 8086 through Pentium processors Dec 2015(06 Marks) 4.Explain the program model visible register organization of 8086 µp Dec 2012(07 Marks) 5.What is conventional memory? Explain segments and offsets. List default segment and offset register pairs. Dec 2012(07 Marks) 6.Briefly explain the flat mode memory model with a neat diagram. June 2013(06 Marks) 7.What is pipelining? How is it achieved in 8086? June2013(6 marks) 8.Explain the architecture of 8086with a neat diagram along with the functions of various blocks.dec 2017(6 marks) 9.With a neat sketch explain architecture of 8086. Dec 2016(06 Marks) 10.Explain in detail with a neat figure the working of the internal architecture of the 8086MP. June 2016(08 Marks), June 2014(8 Marks) 11.Explain with neat block diagram the working principle of 8086 architecture Dec 2015(8 Marks) 12.Explain Execution unit and Bus Interface Unit of 8086 µp with a neat diagram June 2017(08Marks) 13.Briefly explain various multipurpose registers in 8086 Dec 2013(6marks) 14.Discuss the functions of segment registers of 8086 with examples. Give some advantages of memory segmentation. June2013(8 marks) 15.What is real mode addressing?explain default segment offset registers. Dec2013(06 Marks) 16.Explain the real mode memory addressing of 8086 processor. June 2015(10 Marks) 17.Explain with a neat sketch the memory map of a personal computer system. Dec 2016(06 Marks) 18.Discuss the flag register of 8086 processor using suitable examples. Dec 2015(06 Marks) 19.Explain in detail the various bits of a flag register for 8086 MP. June 2014 (06 Marks) 20.Giving the format of the 8086 microprocessor s flag register, explain in detail each flag bit June 2016(05 Marks) 21.Explain the flags of 8086 processor using suitable examples. June 2012(06 Marks) 22.Explain all the bits of a flag register for 8086 MP with a neat diagram. Show the setting and resetting of the flag bits with a suitable example. June 2017(06 Marks) 23.Explain with an example why and how a 20 bit address is generated in 8086. June 2014(05 Marks) 24.Define physical address. Discuss how physical address is generated in 8086 processor. June 2015(04 Marks) 25.Explain how virtual address is translated into physical address with a neat diagram. June 2013(08 Marks) PESIT-BSC,Education for the real world Page 1
26.Show the memory dump for the following data segment DATA ORG 0010H DATA1 DB 25 DATA2 DB 10001001B DATA3 DB 12H ORG 0020H DATA4 DB 2591 ORG 0030H DATA5 DW 9, 2, 7, 0CH, 00100000B, 5 ORG 0040H DATA6 DW 4 DUP (00H) June 2017(04 Marks) 27.With an example distinguish between physical address, logical address and offset address if CS=2000H, DS=3000H,SS=4000H,ES=5000H,BX=0020H,BP=0030Hfind the physical address for i) MOV AL, (BP) ii)mov CX,(BX)Dec 2017(4 marks) 28.Explain different addressing modes of 8086 i. Register indirect ii. Based indexed indirect iii. Direct memory Dec 2017(6 marks) 29.Calculate the physical address for the following instructions. Assume DS = 1000H, SS = 7000H, ES 4000H, BP = 0100H, SI = 0020H, DI = 0200H, BX = 0700H, Values = 0500H. i) MOV AX, (BX)(SI) ii) ADD AL, (BP + 40H) iii) MOV CX, Values (BX)(DI) iv) MOV ES: (1000H),20H.Dec 2016(08 Marks) 30.Explain how virtual address is translated into physical address in 8086 microprocessor. CS=2000H, DS = 4000H, ES = 6000H, SS =8000H, BP = 0200H, SI = 0100H, DI = 0200H, BX = 0300H, LIST = 0014H. i. MOV DL,LIST(SI) ii. MOV AL,LIST(BX)(SI) iii. MOV AH,CS:(BX) iv. MOV CL,23H(BP)June 2016(10 Marks) 31.For DS=1200H,DI=2024H,ARRAY=0012H,BX=1012H find the physical address for the following instructions i. MOV AL,ARRAY(BX) ii. MOV AL,ARRAY(BX)(DI) Dec 2014(04 Marks) 32.What are assembler directives? Explain any four assembler directives with suitable examples Dec 2015(06 Marks) 33.What are assembler directives? Explain the following assembler directives with an example i) PROC ii) ASSUME. iii) PTR Dec 2017(07 Marks) 34.What do you mean by assembler directives? Explain the following assembler directives with an example i) ORG ii)proc and ENDP iii) OFFSET June 2017(06 Marks) 35.Explain with examples the following assembler directives (any four): i) ORG ii) DQ iii) PRO and ENDP iv) TYP 0) EVEN. June 2014(08 Marks) 36.Explain the following assembler directives with example. PESIT-BSC,Education for the real world Page 2
i) ASSUME ii) PUBLIC AND EXTRN iii) MACRO AND ENDM iv) MODEL. Dec 2016(10 Marks) 37.What are assembler directives? Explain the following assembler directives with an example i) PUBLIC ii) ORG iii) DW iv) ASSUME. June 2015(07 Marks) 38.Explain the following assembler directives with examples: i) DB ii) EXTRN iii) PROC iv) SEGMENT. June 2013(8 Marks) 39.Explain the following assembler directives with examplesi) EXTRN ii) PTR 40.Explain the following assembler directives: i) ASSUME ii) PROC iii) ENDS iv) DB. June 2012(08 Marks) 41.Explain public and extrn directives of assembler and write ALP to read data through keyboard using external procedure, save the keycode in public data segment. June 2012(08 Marks) 42.Define modular programming. Using the concept of public and extrn directives write aprogram which reads data in a program in one module which is then used by another module. June 2014(06 Marks) 43.What is meant by segment override prefix?explain with examples. June 2015(03 Marks) 44.What is segment override prefix? Illustrate the same with example.dec 2013(05 Marks) 45.What is meant by segment override prefix? Explain with illustration. Dec2016(04Marks) 46.What do you mean by segment override prefix? Explain following assembler directives: i) ASSUME ii) SMALL iii) PROC iv) EQUv) LOCAL. 47.Explain different addressing modes of 8086 with suitable examples. June 2017(8 Marks) 48.Discuss the following Addressing modes of8086 with example. i) Register indirect ii) Immediate iii) Base plus index. Dec 2016(06 Marks) 49.What are the different program memory addressing modes? Explain with example. Dec 2016(06 Marks) 50.Explain the following addressing modes with examples: i. Directaddressing ii. Immediate addressing iii. Register indirectaddressing iv. Base plus indexaddressing v. Base relative plus indexaddressing June 2016(10 Marks) 51.Explain Data related addressing modes of8086, with an example June 2015(08 Marks) 52.Explain with examples the various data related addressing modesdec 2014(08 Marks) 53.Explain any five addressing modes in detail with examples that are supported in 8086 MP. June 2014(10 Marks) 54.Briefly explain various addressing modes of 8086 with suitable examples. Dec 2013(06 Marks) 55.What do the following MOV instructions accomplish? MOV RAX, RCX MOV ESP, (BSP) MOV AX, 234lH MOV CS, AX Dec 2013(04 Marks) 56.Identify the addressing modes of the following instructions and explain them briefly: i) MOV WORD PTR (SI), 20H ii) MOV ES: (l000h), 10H iii) MOV CX, NUM(BX + DI) June 2013(06 Marks) 57.Identify the addressing modes of the following instructions and explain them briefly: i) MOV WORD PTR (SI), 20H PESIT-BSC,Education for the real world Page 3
ii) MOV ES: (l000h), 10H iii) MOV CX, NUM(BX + DI) June2013(6 marks) 58.Explain with examples the following addressing modes: i) Scaled - indexed addressing mode ii) RIP relative addressing mode iii) Relative program memory addressing mode. Dec 2012(06 Marks) 59.Discuss the following addressing modes with examples: vi. Direct vii. Register indirect viii. Base plus index ix. Immediate x. Scaled indexed June 2012(08 Marks) 60.Write and explain machine code for instruction MOV DL, (BX) Dec 2013 (10 Marks) 61.Write the instruction template (format) for the following instructions. i) MOV AX, DX ii) MOV DX, (BP) 0200H iii) MOV AL, (BX)(DI)Dec 2016(06 Marks) PESIT-BSC,Education for the real world Page 4
MODULE 2 1.Explain the syntax of the following instructions with an example: 2.i) DAA ii) MUL iii) AND iv) SHRiv) CMP v) AAM. Dec 2017 (6 marks) 3.Explain the following instructions with an example: i) XCHG ii) LEA iii) LAHF iv) CMP iv) LODSB v) STOSB. June 2017 (6 marks) 4.Explain the following instructions with examples: i. DAA ii. RLC iii. AAM iv. MOVSB June 2016(6 marks) 5.Discuss the following instructions with examples i) SHR ii)shl iii) RCR iv)test Dec 2015 (06 Marks) 6.Explain the following instructions with an example: i) XLAT ii) LEA iii) CMP iv) SAHF. Dec 2015 (08 Marks) 7.Explain the following instructions with an example: i) XLAT ii) LEA iii) CMP iv) MUL v) TEST. June 2015(10 Marks) 8.Explain the following statements to control the flow of the program with examples i).if ii).endif iii).repeat iv).until v).while vi).endw Dec 2014(6 Marks) 9.Describe the operation of the following instructions with examples 10.i) LEA ii) XLAT iii) DAA iv) IMUL Dec 2014 (08 Marks) 11.Explain the following instructionswith examples: i) CMP ii) LAMF iii) XCHG iv)lea v) PUSH AX vi) LDS DI, (3000H). June 2014 (06 Marks) 12.Describe the following instructions with an example: i) LEA ii) XCHG iii) DAA iv) MUL June 2013(08 Marks) 13.Explain the following instructions with examples any four: i) DAA ii) MUL iii) ADC iv) SHR v) RCL June 2014(8 marks) 14.Describe the operation of each of the following instruction in brief i) PUSHF ii) MOVS iii)lahf iv)div v)xchg Dec 2013 (5 Marks) 15.Explain the following instructions with an example for each: i) LEA ii) XCHG iii) XLAT iv) DAA v) AAA. Dec 2012(05 Marks) 16.Explain the syntax of the following instructions with an example: i) AAA ii) SHL iii) DIV iv) RCR. Dec 2017 (4 marks) 17.Describe the following instruction with suitable examples: i)push ii) MUL iii) IN iv) AAA. June 2012(08 Marks) 18.Explainthe working of XLAT instruction; illustrate its importance using a suitable program. June 2016 (04 Marks) 19.Bring out the importance of XLAT instruction using a suitable program. June 2012 (04 Marks) 20.Explain m/c control instructions with examples. Dec 2012 (06 Marks) 21.Explain with an example how multiple if then else statement can be implemented using ALP. Dec 2013(10 Marks) 22.Briefly explain any four bit test instructions. June 2012(04 Marks) 23.Discuss shift and rotate instructions with an example. June 2015(8 marks) PESIT-BSC,Education for the real world Page 5
24.With format explain rotate instructions. Give examples to rotate right by 1-bit and rotate left by 5-bits. Dec 2012(06 Marks) 25.Explain rotate instructions with suitable examples June 2017(06 Marks) 26.With format explain rotate instructions. Give examples to rotate right by 2 bit and rotate left by 4 bits Dec 2014(10 Marks) 27.Discuss with examples unconditional and conditional branching instructions. Dec 2012 (04 Marks) 28.With syntax explain the following control transfer instructions: i. Conditional transfer ii. Unconditional transfer instruction Dec 2017(08 Marks) 29.What is stack? What is the use of stack memory? Explain the execution of push and pop instructions. Dec 2012 (06 Marks) 30.Explain the working of PUSH and POP instructionindicating the status of the stack after the execution of the instructions. June 2016 (4 Marks) 31.Explain the execution of PUSH and POP instruction with respect to stack addressing mode Dec 2015 (06 Marks) 32.What is a procedure? Explain the sequence of operation that takes place when a procedure iscalled and returned. Dec 2012 (04 Marks) 33.What is a procedure?explain the sequence of operation that takes place during the execution of CALL and RET instructions. June 2016 (04 Marks) 34.Explain FAR procedure and NEAR procedure with an examplejune 2015(06 Marks) 35.Explain the different types of jumps and call instructions of 8086 June 2014(6 marks) 36.Differentiate between short, near and far jump instructions with two examples of each. Dec 2013(10 Marks),June 2017 (10 marks) 37.Explain short, near and far jump instructions with examples Dec 2015(8Marks) 38.Mention the differences between i) NEAR and FAR procedures ii) Procedures and macros Dec 2014(8 Marks) 39.Differentiate between procedures and macros. June 2013(4 Marks),June 2017 (06 Marks),Dec 2015(06 Marks),June 2014 (04 Marks) 40.What are differences between a PROCEDURE and a MACRO? June 2015(04 Marks) 41.Distinguish between 'Macros' and Procedures' with example for each.dec2016(08 Marks) 42.Differentiate between: (i) Assembler and linker (ii) Public and EXTRN(iii) Macros and Procedure. Dec 2013 (06 Marks) 43.Define modular programming. Explain various phases in program development and execution in the context of modular programming. June 2015(08 Marks) 44.What are the sources of interrupts? Briefly explain the steps taken by a processor to execute an interrupt instruction June 2013(8 Marks) 45.Draw and discuss the Interrupt structure of 8086. June 2015(06 Marks) 46.Explain any 3 types of 8086 interrupts Dec 2015(06 Marks) 47.Explain interrupt vector table in brief June 2012 (04 Marks) 48.Explain briefly the interrupt vector table of 8086 microprocessor Dec 2014(06 Marks) 49.What is an interrupt? Explain various types with an interrupt vector table Dec 2017(6 Marks) 50.Explain structure of 8086 interrupt vector table with neat diagram Dec 2013 (05 Marks) 51.Give the state of all the status flag bits after the addition of 30A2H with F01CH. 52.Write assembly language program to add 5 bytes of data stored in data segment Dec 2017(04 Marks) PESIT-BSC,Education for the real world Page 6
53.Write an ALP to sort a given set of 16 bit numbers in ascending order using any sorting method. Dec 2017 (6 marks) 54.Write an ALP using 8086 instructions to count the numbers of onesand zeros in a given 8 bit number using rotate instructions. Dec 2017 (4 marks) 55.Write an assembly level program (ALP) to add two bytes of data stored at DATA1 and DATA2 and save the result in SUM with comments. Identify all the directives found in the program. June 2017 (06 Marks) 56.With a suitable program show how packed BCD can be converted to ASCII June 2017(04 Marks) 57.Assume that there is a class of five people. With the following grades 9,87,96,45,75.Write an ALP to find the highest grade June 2017(06 Marks) 58.Write an ALP that adds the following two multiword numbers and saves the result: DATA1-548FB9963CE7H DATA2-3FCD4FA23B8DH June 2017(08 Marks) 59.Write an ALP to add 10 non negative 8 bit numbers June 2017 (8 marks) 60.Write an ALP to compute the factorial of a given 8-bit number using recursion. Dec2016(06 Marks) 61.Write an ALP to sort a given set of N numbers in ascending order using bubble sort. Dec 2016(06 Marks) 62.Write an ALP to sort five 8 bit numbers stored in an array in ascending order using bubble sort. June 2016(6 marks) 63.Write an ALP using 8086 instructions to count the numbers of ones in a given 8 bit number and store the result in memory location. June 2016(7 marks) 64.Write an 8086 ALP using DOS interrupt to read a two hexadecimal number and display the same on monitor June 2015(08Marks) 65.Write an 8086 ALP to find the factorial of a given number through recursive procedure Dec 2014(06 Marks) 66.Write an ALP to compute factorial of singledigit positive number using recursive Procedure Dec 2013(04 Marks) 67.Write a 8086 ALP to convert a given binary number into its equivalent unpacked decimal and ASCII Dec 2014(04 Marks) 68.Write an ALP using 8086 instructions to reverse a four digit number. June 2013(8 Marks) 69.Write an ALP using 8086 instructions to search a number placed in locationarray often numbers placed at location ARRAY. Give suitable messages.june 2013(08 Marks) 70.Write an ALP using 8086 instructions to generate and add the first l0 even numbers and save the numbers and result in memory location NUM and SUM June 2012 (08 Marks) 71.Write an ALP using 8086 instructions to count the numbers of zeros in a given 8 bit number and store the result in memory location 'Res'. June 2012(08 Marks) 72.Write bubble sort program using 8086 assembly instructions. Dec 2012 (08 Marks) PESIT-BSC,Education for the real world Page 7
MODULE 3 1. Explain the variousstring manipulation instructions with examples. June 2014(6 marks) 2. Briefly explain the various string comparison instructions Dec 2015 (06 Marks) 3. Illustrate a simple program that uses a character string defined with and display on a 4. separate line. Dec 2013(10 Marks) 5. Write an ALP to perform the following i. Clear the screen ii. iii. Set the cursor at row 8 and column 5 of the screen Prompt There is a message for you from VTU: To read it enter Y. If the user enters Y or y then the message Hello! All the best for your exams will appear on the screen. If the user enters any other key, then the prompt No more messages for you should appear on the next line June 2017(08 Marks) 6. What is inline assembly? Explain its need. Dec 2015(06 Marks) 7. Describe demultiplexing of multiplexed AD bus with neat diagram. June 2012 (06 Marks) 8. With neat timing diagram, explain memory read cycle. June 2012(08 Marks) 9. Using timing diagram, explain the I/Owrite bus cycle in 8086 microprocessor. Dec 2012 (06 Marks) 10. Explain how address demultiplexing is done in 8086 processor based systems. June 2013 (07 Marks) 11. With a neat timing diagram, explain memory read cycle. June 2013 (08 Marks) 12. Explain minimum mode PINS of 8086 and minimum mode configuration of 8086 with neatdiagram. Dec 2013 (10 Marks) 13. Describe internal block diagram of 8288 Bus controller with explanation of each pins. Dec 2013 (06 Marks) 14. With neat timing diagram, explain the I/O read operation. Dec 2013 (04 Marks) 15. Explain in detail with a neat figure demultiplexing of address and data lines in 8086. June 2014(06 Marks) 16. Explain with a neat figure the working of 8086 in MIN mode configuration. June 2014(08 Marks) 17. With a neat diagram explain the minimum mode system of 8086 microprocessor Dec 2014 (07 Marks) 18. Explain the timing diagram of read operation in 8086 microprocessor Dec 2014 (05 Marks) 19. Indicate the signals which are different when 8086 in minimum mode and in maximum mode. June 2015 (04 Marks) 20. Describe the working of 8086 in minimum mode configuration. June 2015(10 Marks) 21. With a neat diagram explain the minimum mode system of 8086 system Dec 2015 (07 Marks) 22. Explain bus timings of read and write operations in minimum mode of 8086 system Dec 2015 (05 Marks) 23. Interface 512 KB RAM to 8088 MP using 64 KB RAM using 3:8 decoder with starting address of memory as 80000H. Clearly mention decoding logic and memory map. June 2012(08 Marks) 24. Explain memory bank selection in 8086 and mention the number of memory bank in 80x86 MPs. June 2012 (06 Marks) 25. Differentiate between memory mapped I/O and I/O mapped I/O (isolated I/O). June 2012(06 Marks) PESIT-BSC,Education for the real world Page 8
26. Explain how 74LS138 decodes 2732 EPROMS for 32K x 8 section of memory. Assume the starting address is 40000H. Give the detailed memory map. Dec 2012 (06 Marks) 27. What is flash memory? Explain how a flash memory is interfaced to 8086 µp Dec 2012 (06 Marks) 28. Explain 74138 decoder configurations to enable ports at address E8H to EFH. Dec 2012(08 Marks) 29. List various memory devices. June 2013(02 Marks) 30. What is memory address decoding? Design a memory system for 8086 for the following specifications: i. 32 Kbytes EPROM using 16 Kbyte devices. ii. 64 Kbytes SRAM using 16 Kbyte devices.draw the memory map. June 2013(10 Marks) 31. With neat diagram, explain simple NAND gate address decoding logic. Dec 2013(10 Marks) 32. Differentiate between Memory mapped I/O and direct I/O. Dec 2013(05 Marks) 33. Briefly explain handshaking or polling with necessary diagrams. Dec 2013(05 Marks) 34. Differentiate between memory mapped 1/0 and 1/0 mapped I/O June 2014 (04 Marks) 35. Design an 8086 based system to interface with i) 64K byte EPROM; ii) 64K byte RAM. Assume RAM is connected at 30000h and EPROM at FOOOOH. June 2014(08 Marks) 36. Explain how a 3-8 line decoder could be used to interface eight 8K memory chips. June 2014 (08 Marks) 37. How 8086 microprocessor selects 8 or 16 bit data from odd and even memory banks Dec 2014(04 Marks) 38. Interface 8KX8 ROM and 4KX 8 RAM to 8086 microprocessor. Assume the starting address for ROM is 40000H and starting address for RAM is 44000H Dec 2014(10 Marks) 39. Mention the differences between memory mapped I/O and isolated mapped I/O. Dec 2014(06 Marks) 40. Discuss in brief commonly used memories. June 2015(08 Marks) 41. With neat diagram, explain the linear decoding techniques.june 2015(08 Marks) 42. Compare and contrast memory mapped I/O to I/O mapped I/O. June 2015(04 Marks) 43. Design an 8086 based system with the following specifications 44. i) 64K byte EPROM; ii) 64K byte RAM. Draw the complete schematic diagram of the design indicating memory map Dec 2015(08 Marks) 45. Differentiate between memory mapped I/O and I/O mapped I/O Dec 2015(04 Marks) 46. Explain any two methods of address decoding techniques with schematic diagram Dec 2015(08 Marks) 47. Interface 8 digit seven segment LED display to 8088 MP through 8255 PPI. Write initialization sequence for 8255 with allport as output ports in mode 0 and address of device is FF00h. June 2012(08 Marks) 48. Write an 8086 ALP to read a byte of data from port A and port B. Add the data and save the result in a memory location. Dec 2012(05 Marks) 49. Explain command word format of 82C55 in mode-0. Write the control word format to initialize to set PC3 and reset PC7. Dec 2012(07 Marks) 50. Briefly explain the control word format of 8255 in I/O mode and BSR mode. Give the control word format to program Port A and Port C lower as input and Port B and Port C upper as output parts in mode 0. June 2013(10 Marks) PESIT-BSC,Education for the real world Page 9
51. Write an ALP using 8086 instructions to read a byte of data from Port A and display its parity status as 00H or FFH for odd and even parity, on Port B. June 2013 (05 Marks) 52. Explain pin-out of 82C55 along with different operational modes. Dec 2013(05 Marks) 53. Explain different signals of 8255 PPI and control words. June 2014 (08 Marks) 54. Explain with a neat diagram the interfacing of stepper motor to 8086 using 8255 in detail. June 2014(06 Marks) 55. With a neat block diagram explain 82C55 PPI. Write the control words for i)port A as input, PORT B as output, PORT C as output, ii) PORT A as output, PORT B as input, PORT C as input in simple I/O mode. Dec 2014(08 Marks) 56. With functional block diagram, explain working principle of8255 PPI. June 2015(08 Marks) 57. Explain with a neat block diagram the working operation of 8255 PPI Dec 2015(08 Marks) PESIT-BSC,Education for the real world Page 10
MODULE 4 1. Compare microprocessor with microcontroller Dec2017(04Marks) 2. Explain the programmer s model of ARM processor with complete register set available. Dec2017(04Marks) 3. Explain registers under various modes ARM processor organisation Dec2017(04Marks) 4. With diagram explain the various blocks in a 3 stage pipeline of ARM processor organisation Dec2017(04Marks) 5. Explain the structure of ARM cross development tool kit Dec2017(06Marks) 6. Describe the various modes of operation of ARM processor Dec2017(05Marks) 7. Explain the various fields in the Current Program Status Register Dec2017(05Marks) 8. Differentiate between CISC and RISC processorsjune2017(06marks) 9. Explain ARM core data flow model with a neat diagramjune2017(06marks) 10. Discuss briefly how coprocessors can be attached to ARM processor June2017(04Marks) 11. Explain the architecture of a typical embedded device based on ARM core with a neat diagram June2017(08Marks) 12. Explain the concept of pipeline and interrupts used in ARM processor June2017(08Marks) PESIT-BSC,Education for the real world Page 11
MODULE 5 1. Explain the following instructions of ARM processor with a suitable example Dec 2017(08 Marks) i. MVN ii. RSB iii. ORR iv. MLA v. LDR 2. Write a program to display message HELLO WORLD using ARM7 instructions Dec 2017(04 Marks) 3. Explain various formats of ADD instructions based on operands of ARM7 processor Dec 2017(04 Marks) 4. If r 5 =5,r 7 =8 use the following instructions to write the values of r5 and r7 after execution of MOVr 7, r 5, LSL#2 Dec 2017(03 Marks) 5. Explain software interrupt instruction of ARM processor Dec 2017(04 Marks) 6. Explain various types of multiply instructions with syntax and example Dec 2017(04 Marks) 7. What are the salient features of ARM instruction set Dec 2017(05 Marks) 8. If r 1 =0b1111,r 2 =0b0101,find r 0 after BIC r 0,r 1,r 2 Dec 2017(04 Marks) 9. Write an ALP to copy a block of data (BLOCK1) to another block (Block2) using ARM instructions June2017(08Marks) 10. Write an ALP using ARM instructions that calls subroutine fact to find factorial of a given number June2017(08Marks) 11. Write short notes on memory access and branch instructions of ARM controller June2017(08Marks) 12. Explain the following instructions of ARM processor with a suitable example June2017(08 Marks) i. MLA ii. QADD iii. SMULL iv. LSL PESIT-BSC,Education for the real world Page 12