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Microprocessor

Microprocessor
Pick out the matching pair

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

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 247
 245
 246

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the sequence in which memory contents are fetched by it
 its internal registers
 the program counter
 the stack pointer

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 H-L.
 D-E.
 Stack Pointer.
 Program Counter.

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 shift registers
 flags
 counters
 latches

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

 16
 5
 20
 4

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