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Microprocessor

Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 0043H
 003CH
 0000H

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 4
 5
 16
 20

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

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

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To disable data bus
 To latch data D0-D7 from data bus
 Enable the data bus to be used as low order address bus
 To achieve all the functions listed above

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Microprocessor
Pick out the matching pair

 SID; SIM
 READY; RIM
 S0;S1;wait status
 HOLD; DMA

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 6.5
 RST 4.5
 RST 5.5

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