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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 16-bit
 20-bit
 4-bit
 8-bit

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Microprocessor
PSW stands for

 accumulator and flag register contents
 flag byte
 accumulator contents
 none

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Microprocessor
While CMP B instruction executes,

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

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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Microprocessor
The characteristics of RESET OUT signal is/are

 all.
 indicates that µp is being reset.
 this signal can be used to reset other devices.
 the signal is synchronized to the processor clock.

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 5.5
 INTR
 TRAP
 RST 7

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