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Microprocessor

Microprocessor
A field programmable ROM is called

 PROM
 FROM
 FPROM
 MROM

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
Z, CY, S, D, AC
D, Z, S, P, AC
Z, CY, S, P and AC

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 logical interrupts
 hardware interrupts

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Microprocessor
After RESET 8255 will be in

 mode 2
 mode 0; all ports are input
 mode 0; all ports are output
 unchanged condition

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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.

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

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Mux
Decoder
Gate
Register

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