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Microprocessor

Microprocessor
Register pair used to indicate memory

 D and E
 W and Z
 H and L
 B and C

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 B-C
 D-E
 Stack Pointer
 PSW

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

Logical IF and arithmetic IF
Logical IF and Block IF
Logic IF, block IF, arithmetic IF and negate IF
Logical IF, block IF and arithmetic IF

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 6
 8
 16
 2

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 2, 4, 1 and 3
 1, 3, 2 and 4
 1, 2, 3 and 4
 2, 1, 4 and 3

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Microprocessor
What is SIM?

 Sorting interrupt mask.
 Select interrupt mask.
  Set interrupt mask.
 None of these.

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