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Microprocessor

Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 POP PSW
 PUSH A
 PUSH SP
 PUSH PSW

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Microprocessor
In Fortran 77 a variable name can contain special characters.

False
True

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Microprocessor
Register pair used to indicate memory

 D and E
 W and Z
 B and C
 H and L

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

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

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Microprocessor
What is used to access 16-bit data in 8086?

None of these
 Memory Banking.
 Data Banking.
 Pipeline architecture.

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

Nand
Mux
Decoder
RS Latch

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