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Microprocessor

Microprocessor
A field programmable ROM is called

 FROM
 FPROM
 MROM
 PROM

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Microprocessor
The operating modes of 8255 A are called

Mode 0 and mode 1
Mode 0 and mode 2
Mode 0, mode 2 and mode 3
Mode 0, mode 1 and mode 2

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 all bits reset (i.e. 00H)
 same as the content of A7-A0
 irrelevant
 all bits set (i.e. FFH)

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always set
 always reset
 affected indicating specific conditions
 not affected

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 decrement by two
None of these
 remain unaffected
 increment by two

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Microprocessor
An e-mail message can be sent to many recipients.

False
True

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