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Microprocessor

Microprocessor
Temporary registers in 8085 are

 H and L.
 B and C.
 D and E.
 W and Z.

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Microprocessor
The address bus of any microprocessor is always

 None
 Bi-directional
 Either unidirectional or bi-directional
 Unidirectional

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

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

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 stack pointer.
 none of these.
 both A and B.
 program counter.

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

+0
-1
-0
1

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 65536
 64
 512
 256

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