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Microprocessor

Microprocessor
A microcomputer consists of

All of these
 memory
 I/O device
 a microprocessor

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 non-volatile characteristic
 erasable and programmable characteristic
 random access characteristic
 all the above characteristic

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Microprocessor
S0 and S1 pins are used for

None of these
 serial communication
 acknowledging the interrupt
 indicating the processor’s status

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

The same as
Cannot be determined
Less than
Greater than

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to accumulator
 accumulator to memory
 I/O device to accumulator
 memory to memory

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

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