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Microprocessor

Microprocessor
Pick out the matching pair

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

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 2, 5
 1, 3, 5
 2, 3, 5
 1, 3, 4

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 logical interrupts
 conditional interrupts
 software interrupts
 hardware interrupts

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Microprocessor
While INX B instruction execute,

 only carry flag will be affected
 only carry and zero flags will be affected
 no flags will be affected
 all flags will be affected

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 512
 256
 64
 65536

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PAL
 PROM
 PLD
 PLA

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