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Microprocessor

Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 68000
 6502
 Z-80

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 its internal registers
 the program counter
 the stack pointer
 the sequence in which memory contents are fetched by it

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Microprocessor
What is used to access 16-bit data in 8086?

None of these
 Pipeline architecture.
 Memory Banking.
 Data Banking.

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 1, 2, 3 and 4
 2, 4, 1 and 3
 2, 1, 4 and 3
 1, 3, 2 and 4

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Microprocessor
The stack pointer

 resides in ROM
 resides in RAM
 may be in RAM or ROM
 resides in microprocessor

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 246
 247
 244

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