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Microprocessor

Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 1 K bytes
 4 K bytes
 8 K bytes
 10 K bytes

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Microprocessor
Of the following circuits, the one which involves storage is

RS Latch
Mux
Decoder
Nand

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Microprocessor
Register pair used to indicate memory

 B and C
 D and E
 W and Z
 H and L

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-1
-0
+0

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Microprocessor
While STC instruction executes,

 only carry and zero flags will be affected.
 only carry flag will be affected.
 all flags will be affected.
 no flags will be affected.

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the user
 direct memory access for the I/O device
None of these
 direct memory access for microprocessor

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