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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 8-bit
 16-bit
 20-bit
 4-bit

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Microprocessor
Register pair used to indicate memory

 W and Z
 H and L
 B and C
 D and E

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Microprocessor
Which of the following instruction will never affect the zero flag?

 DCX Rp
 XRA R
 DCR R
 ORA R

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 1001 H
 1000 H and 0FFF H
 0FFE H and 0FFF H
 0FFF H and 0FFE H

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
The stack is nothing but a set of

None of these
 reserved I/O address space
 reserved RAM address space
 reserved ROM address space

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