| 1. | Total no. of instruction for 8085 microprocessor assembly language is ? | |
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244
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245
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246
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247
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Report Question| 2. | The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is ? | |
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IC = FC - EC
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IC = FC + EC
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IC = FC + 2EC
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EC = IC + FC
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| 3. | Which one of the following microprocessor is not an 8-bit microprocessor ? | |
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8085
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Z-80
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68000
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6502
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| 4. | The address bus of any microprocessor is always ? | |
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Unidirectional
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Bi-directional
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Either unidirectional or bi-directional
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None
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| 5. | The data bus of any microprocessor is always ? | |
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Unidirectional
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Bi-directional
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Either unidirectional or bi-directional
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None
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| 6. | The multiplexing of address bus and data buses is used in ? | |
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all the microprocessors
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depends on the internal architecture
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never multiplexed
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none of these
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| 7. | The multiplexing of address bus and data buses are used in microprocessor ? | |
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to reduce speed of operation
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to increase the no. of pins
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to reduce the number of pins
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to improve the operation
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| 8. | The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is ? | |
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8
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12
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16
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20
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| 9. | The word size of 8085 microprocessor is ? | |
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4-bit
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8-bit
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16-bit
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20-bit
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| 10. | The stack pointer register in a microprocessor ? | |
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counts the number of programs being executing on the microprocessor
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counts the number of instructions being executing on the microprocessor
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keeps the address of the next instruction to be fetched
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holds the address of the top of the stack
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