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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 XRI 0FH
 CMA
 ORI 0FH
 ANI 0FH

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

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Cannot be determined
Less than
The same as
Greater than

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0060H.
 0024H.
 0048H.
 0030H.

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

Register
Immediate
Direct
Implicit

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Can not change
Complements
Sets
Clears

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