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Microprocessor

Microprocessor
For a memory with a 16-bit address space, the addressability is

8 bits
Cannot be determined
2^16 bits
16 bits

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Microprocessor
HLT opcode means

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

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is negated, S is asserted
R is asserted, S is negated
R is asserted, S is asserted
R is negated, S is negated

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1KHz.
 1MHz.
 3.2KHz.

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Doubles
Increases by 2^(address bits)/addressability
Halves
Remains unchanged

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to accumulator
 I/O device to accumulator
 memory to memory
 accumulator to memory

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