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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 512
 285
 256
 65536

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 4.5
 RST 5.5
 RST 6.5

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 128.
 16.
 32.
 64.

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EEPROM
 EPROM
 MROM
 PROM

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Register
Implicit
Immediate
Direct

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Microprocessor
HLT opcode means

  load data to accumulator.
  store result in memory.
  end of program.
  load accumulator with contents of register.

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