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Microprocessor

Microprocessor
A field programmable ROM is called

 FROM
 MROM
 PROM
 FPROM

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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 stack pointer
 the program counter

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Microprocessor
A microcomputer consists of

 memory
All of these
 a microprocessor
 I/O device

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

 13
 10
 7
 16

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 POP PSW
 PUSH SP
 PUSH PSW
 PUSH A

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Microprocessor
After RESET 8255 will be in

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

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