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Microprocessor

Microprocessor
Pick out the matching pair

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

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 Bus Interface Unit (BIU)
 Execution Unit (EU)
 None of these
 Both ‘c’ and ‘d’

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Microprocessor
Register pair used to indicate memory

 H and L
 B and C
 W and Z
 D and E

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Microprocessor
A mask programmed ROM is

 programmed by the user
 programmed at the time of fabrication
 erasable and programmable
 erasable electrically

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Directives
 Mnemonics
 Identifiers
 Operands

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RRC
 RLC
 RAR
 RAL

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