CSC167 Microprocessor
Microprocessor: most repeated questions
Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.
- 6×Asked in 2082, 2080, 2079, 2078, 2075Explain instruction cycle, machine cycle and T states. Draw timing diagram of instruction cycle of STA instruction with brief description.Answer coming10
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- Explain instruction cycle, machine cycle and T states. Draw timing diagram of instruction cycle of STA instruction with brief description.TU Board 2082
- Difference between instruction cycle and machine cycle. Draw timing diagram of MVI A, 32 H.TU Board 2080 (new course)
- Explain instruction cycle, machine cycle and T states. Draw timing diagram of fetch and execute of LDA instruction with brief description.TU Board 2080
- What is instruction cycle? Draw timing diagram of MOV A, B. Make necessary assumptions.TU Board 2079
- Explain instruction cycle, machine cycle and T states. Draw timing diagram of IN instruction with brief description.TU Board 2078
- Explain instruction cycle, machine cycle and T States. Draw timing diagram of STA instruction. Make necessary assumptions.TU Board 2075
- 6×Asked in 2081, 2080, 2079, 2078, 2076, 2075Explain different addressing modes in 8085 mocroprocessor.Answer coming5
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- Explain different addressing modes in 8085 mocroprocessor.TU Board 2081
- What is mean by addressing mode? Explain different addressing modes in 8085 microprocessor.TU Board 2080
- Explain different addressing modes of 8086.TU Board 2079
- What is mean by addressing mode? Explain all the addressing mode available in 8085 microprocessor.TU Board 2078
- Explain the addressing modes of 8086 microprocessor with examples.TU Board 2076
- Explain the addressing modes of 8085 microprocessor with examplesTU Board 2075
- 4×Asked in 2080, 2076, 2075Draw a block diagram of 80286 microprocessor and explain.Answer coming10
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- Draw a block diagram of 80286 microprocessor and explain.TU Board 2080 (new course)
- Draw a well labeled block diagram of 8086 microprocessor. Explain its Register organization.TU Board 2080
- Draw block diagram of 80386 and explain its functional units.TU Board 2076
- Draw block diagram of 80286 and explain its functional units.TU Board 2075
- 3×Asked in 2082, 2081, 2078Explain Register Organization in 80386 microprocessor.Answer coming5
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- 3×Asked in 2082, 2080, 2076What is flag? Explain all the flags available in 8085 microprocessor.Answer coming5
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- 3×Asked in 2079, 2076, 2075Write an assembly language program to find the largest number of an array using 8 bit microprocessor. (Assume appropriate array data and address where minimum array size of 15 should be considered)Answer coming10
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- Write an assembly language program to find the largest number of an array using 8 bit microprocessor. (Assume appropriate array data and address where minimum array size of 15 should be considered)TU Board 2079
- Write an assembly language program to find the greatest number in an array in using 8 bit microprocessor. (Assume appropriate array data and address where minimum array size of 20 should be…TU Board 2076
- Write an assembly language program to find the smallest number in an array using 8 bit microprocessor. (Assume appropriate array data and address where minimum array size of 15 should be considered.)TU Board 2075
- 2×Asked in 2082, 2080Differentiate between Isolated mapped and Memory Mapped I/O. Explain basic DMA operation in brief.Answer coming5
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- 2×Asked in 2078, 2076Differentiate between PUSH and POP instruction with example illustrating the use of these instruction.Answer coming5
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- 2×Asked in 2079, 2076What are the practical implications of asynchronous serial communication? Explain DTE DCE connection according to RS 232 serial communication standard.Answer coming5
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- What are the practical implications of asynchronous serial communication? Explain DTE DCE connection according to RS 232 serial communication standard.TU Board 2079
- Differentiate between synchronous and asynchronous serial communication. Show DTE DTE and DTE DCE connection according to RS 232 serial communication standard.TU Board 2076
- 2×Asked in 2082, 2078Draw a logic diagram showing generation of memory and I/O read/write control signals in 8085 microprocessor.Answer coming5
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- 2×Asked in 2082, 2078Draw block diagram of 8086 microprocessor and explain its main two functional units. Differentiate between Real Address Mode and Protected Virtual Address Mode of 80286 microprocessor.Answer coming10
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- Draw block diagram of 8086 microprocessor and explain its main two functional units. Differentiate between Real Address Mode and Protected Virtual Address Mode of 80286 microprocessor.TU Board 2082
- Draw block diagram of 80286 microprocessor and explain its main four functional sub units. Differentiate between Real Address Mode and Protected Virtual address mode.TU Board 2078
- 2×Asked in 2081, 2080What is Descriptor? Explain the use of segment descriptor in physical address conversion in 80826 microprocessor.Answer coming5
- 2×Asked in 2076, 2075What is instruction set? Explain various Kinds of instructions of 8086 microprocessor.Answer coming5
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- 2×Asked in 2082, 2078What is the use of AD₇–AD₀ in 8085 microprocessor? Explain address de multiplexing process in 8085 microprocessor with suitable diagram.Answer coming5
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- What is the use of AD₇–AD₀ in 8085 microprocessor? Explain address de multiplexing process in 8085 microprocessor with suitable diagram.TU Board 2082
- What is the use of AD 7 – AD 0 in 8085 microprocessor? Explain address de multiplexing process in 8085 microprocessor with suitable diagram.TU Board 2078