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Microprocessor

Microprocessor
The ROM programmed during manufacturing process itself is called

 EEPROM
 MROM
 PROM
 EPROM

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD B
 XTHL & DAD H
 PCHL & DAD D
 XCHG & DAD H

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

 PROM
 PLD
 PAL
 PLA

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 16
 10
 7
 13

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Microprocessor
Register pair used to indicate memory

 H and L
 D and E
 W and Z
 B and C

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 0FFF H
 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 1001 H

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