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Microprocessor

Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 cannot be predicted
 32
 16
 8

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Microprocessor
A real number consists of

Integer part and fraction part
Integer part
Integer part, fraction part along with positive or negative sign
None of these

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Microprocessor
Pick out the matching pair

 HOLD; DMA
 SID; SIM
 READY; RIM
 S0;S1;wait status

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP D
 POP 30 H
 POP PSW
 POP B

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Microprocessor
The multiplexing of address bus and data buses is used in

 depends on the internal architecture.
 none of these.
 never multiplexed.
 all the microprocessors.

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Microprocessor
The operating modes of 8255 A are called

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

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