1. What are the purposes of control unit in Microprocessor?
2. Write application of microcontroller.
3. What do you mean by Interrupt vector table?
4. Write an instruction for the direct addressing mode.
5. What is the role of linker in assembly language programming?
6. Which signal is used to select Memory or I/O?
7. What are the purposes of S2, S1, S0?
8. Describe the function of 8282.
9. What are the roles of 8251 in computers?
10. How many address and data bus are available in 8088 microprocessor?
11. Explain in brief about how microprocessor works.
12. Mention one advantage and one disadvantage of Harvard architecture over von Neumann machine.
13. What is the function of a segment register in 8086?
14. What happens when the instruction TEST AL, BL is executed?
15. With an example, explain the Register Indirect Addressing Mode.
16. What is the purpose of a linker during assembly language program development?
17. What function does INT 21H perform when 0AH is loaded into AH register?
18. What is the function of the ALE signal in 8086?
19. Define maskable interrupt with an example.
20. What is the function of T pin in 8288 bus controller?
21. How many minimum address lines are required to access 512 KB?
22. List the basic components of microcomputer?
23. What is the function of INTO instruction?
24. What is the purpose of A0 and A1 in 8255?
25. Why do we use maximum mode?
26. What is the function of 8288 chip?
27. What is ISR?
28. What do we use INT 10 H?
29. What is the result of MUL AL? Initial value of AL = 03H
30. What is control word to set Port A as output, Port B as input and port C as input for 8255.
31. What is the purpose of control unit in microprocessor?
32. What do you mean by interrupt vector table?
33. What is the use of A0 and A1 pins of 8255?
34. What is the function of 8284?
35. Define NMI?
36. Give control word to set PC-5 bit for 8255?
37. Write an instruction for the direct addressing mode.
38. Calculate the number of address lines required for a 512KB RAM.
39. What is the function of 8288 bus controller?
40. What is microprocessor?
41. What is the total memory addressing capacity of 8088? Also give the width of data bus and address bus.
42. Identify the addressing mode of source operand in MOV AL, 23H. Give reason.
43. What happens when MUL BX instruction is executed?
44. What is the purpose of debugger in assembly language program development?
45. Why do we requires INT 10H in assembly language?
46. What is the function of AD0-AD15 pins in 8086?
47. What is the function of 8284?
48. Define NMI.
49. Define the terms: DTE and DCE with reference to serial communications.
50. Give BSR control word to set and reset PC-3 separately for 8255.
51. Define IC?
52. Define microcontroller?
53. List the priority of 8086 interrupt?
54. What is the function of a0, a1?
55. Define the function of usart?
56. Define rs-232?
57. Define AAM?
58. What is editor?
59. Define segment register?
60. Define machine cycle?
61. Define IC
62. Define the function of AAM
63. What is store programmed concept?
64. Why 3*8 decoder is used in address decoding?
65. What is the use of i/o interface?
66. What is USART?
67. Define asynchronous mode?
68. Define mode1?
69. What is the main feature of parallel communication?
70. Define strobe signal?
71. What is the role of direction flag in 8086?
72. What is the function of INT 21H: mov ah, 01h ?
73. What is the function of 8286?
74. List out the various model definition directives.
75. List out the two software interrupts and two hardware interrupts.
76. What do you mean by IVT?
77. Write is the similarity and difference between 8086 and 8088 microprocessor?
78. What do you mean by BHE?
79. Why do we need PIC?
80. What is the total memory capacity of the system with 20 address lines?
2. Write application of microcontroller.
3. What do you mean by Interrupt vector table?
4. Write an instruction for the direct addressing mode.
5. What is the role of linker in assembly language programming?
6. Which signal is used to select Memory or I/O?
7. What are the purposes of S2, S1, S0?
8. Describe the function of 8282.
9. What are the roles of 8251 in computers?
10. How many address and data bus are available in 8088 microprocessor?
11. Explain in brief about how microprocessor works.
12. Mention one advantage and one disadvantage of Harvard architecture over von Neumann machine.
13. What is the function of a segment register in 8086?
14. What happens when the instruction TEST AL, BL is executed?
15. With an example, explain the Register Indirect Addressing Mode.
16. What is the purpose of a linker during assembly language program development?
17. What function does INT 21H perform when 0AH is loaded into AH register?
18. What is the function of the ALE signal in 8086?
19. Define maskable interrupt with an example.
20. What is the function of T pin in 8288 bus controller?
21. How many minimum address lines are required to access 512 KB?
22. List the basic components of microcomputer?
23. What is the function of INTO instruction?
24. What is the purpose of A0 and A1 in 8255?
25. Why do we use maximum mode?
26. What is the function of 8288 chip?
27. What is ISR?
28. What do we use INT 10 H?
29. What is the result of MUL AL? Initial value of AL = 03H
30. What is control word to set Port A as output, Port B as input and port C as input for 8255.
31. What is the purpose of control unit in microprocessor?
32. What do you mean by interrupt vector table?
33. What is the use of A0 and A1 pins of 8255?
34. What is the function of 8284?
35. Define NMI?
36. Give control word to set PC-5 bit for 8255?
37. Write an instruction for the direct addressing mode.
38. Calculate the number of address lines required for a 512KB RAM.
39. What is the function of 8288 bus controller?
40. What is microprocessor?
41. What is the total memory addressing capacity of 8088? Also give the width of data bus and address bus.
42. Identify the addressing mode of source operand in MOV AL, 23H. Give reason.
43. What happens when MUL BX instruction is executed?
44. What is the purpose of debugger in assembly language program development?
45. Why do we requires INT 10H in assembly language?
46. What is the function of AD0-AD15 pins in 8086?
47. What is the function of 8284?
48. Define NMI.
49. Define the terms: DTE and DCE with reference to serial communications.
50. Give BSR control word to set and reset PC-3 separately for 8255.
51. Define IC?
52. Define microcontroller?
53. List the priority of 8086 interrupt?
54. What is the function of a0, a1?
55. Define the function of usart?
56. Define rs-232?
57. Define AAM?
58. What is editor?
59. Define segment register?
60. Define machine cycle?
61. Define IC
62. Define the function of AAM
63. What is store programmed concept?
64. Why 3*8 decoder is used in address decoding?
65. What is the use of i/o interface?
66. What is USART?
67. Define asynchronous mode?
68. Define mode1?
69. What is the main feature of parallel communication?
70. Define strobe signal?
71. What is the role of direction flag in 8086?
72. What is the function of INT 21H: mov ah, 01h ?
73. What is the function of 8286?
74. List out the various model definition directives.
75. List out the two software interrupts and two hardware interrupts.
76. What do you mean by IVT?
77. Write is the similarity and difference between 8086 and 8088 microprocessor?
78. What do you mean by BHE?
79. Why do we need PIC?
80. What is the total memory capacity of the system with 20 address lines?
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