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Microprocessor

Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Can not change
Clears
Complements
Sets

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 20
 16
 4
 5

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 4.5
 RST 5.5
 RST 7.5
 RST 6.5

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0024H.
 0060H.
 0030H.
 0048H.

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

 ORA R
 XRA R
 DCX Rp
 DCR R

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Microprocessor
Register pair used to indicate memory

 B and C
 H and L
 D and E
 W and Z

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