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
 None
 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O
 8085 has multiplexed bus, whereas 6800 does not have

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Microprocessor
The correct sequence of steps in the instruction cycle of a basic computer is

 Read effective address, Decode, Fetch and Execute.
 Fetch, Read effective address, Decode and Execute.
 Fetch, Execute, Decode and Read effective address.
 Fetch, Decode, Read effective address and, Execute.

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Microprocessor
In 8085 microprocessor system with memory mapped I/O, which of the following is true?

 There can be maximum of 256 input devices and 256 output devices
 Arithmetic and logic operations can be directly performed with the I/O data
 Devices have 8-bit address line
 Devices are accessed using IN and OUT instructions

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