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Microprocessor

Microprocessor
An e-mail message can be sent to many recipients.

False
True

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Microprocessor
In 8085, the pins for SID and SOD are

4 and 5 respectively
4 and 3 respectively
5 and 4 respectively
3 and 4 respectively

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To disable data bus
 Enable the data bus to be used as low order address bus
 To achieve all the functions listed above
 To latch data D0-D7 from data bus

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

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

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 None
 Either unidirectional or bi-directional
 Unidirectional

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Microprocessor
A 37 bit mantissa has an accuracy of

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

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