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Microprocessor

Microprocessor
CALL instruction is a ______ instruction.

 1 bytes
 2 bytes
 4 bytes
 3 bytes

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T2 & T3
 T3 & T4
 T4 & T1
 T1 & T2

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NAND-NAND
OR-NAND
NOR-NAND
NAND-NOR

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 10
 4
 6
 8

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 6
 5
 4
 3

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, OV, P, CY
 S, Z, AC, P, OV
 S, Z, AC, P, CY
 S, OV, AC, P, CY

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