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Microprocessor

Microprocessor
Temporary registers in 8085 are

 D and E.
 H and L.
 B and C.
 W and Z.

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 246
 245
 247

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-bit controller
 8-bit data bus
 8-interrupt lines

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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, 1, 4 and 3
 2, 4, 1 and 3

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Microprocessor
What is mean by ALU

 Arithmetic logic upgrade
 Arithmetic logic unit
 Arithmetic local unsigned
 Arithmetic logic unsigned

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + EC
 IC = FC + 2EC
 IC = FC - EC
 EC = IC + FC

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