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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 6.5
 RST 5.5
 RST 4.5

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always reset
 affected indicating specific conditions
 not affected
 always set

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Microprocessor
Which one of the following statement is false?

 A microprocessor has bi-directional data bus
 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional address bus
 A microprocessor has an ALU

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Microprocessor
A 37 bit mantissa has an accuracy of

8 decimal places
6 decimal places
11 decimal places
10 decimal places

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Microprocessor
The reason for the presence of ALE pin in 8085, but not in 6800 is that

 8085 has 5 interrupts lines, whereas 6800 has only two
 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O
 8085 has multiplexed bus, whereas 6800 does not have
 None

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

1000
10000
100000
one million

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