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Microprocessor

Microprocessor
Pick up the programmable interrupt controller from the following

 8279
 8259
 8275
 8257

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

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Microprocessor
The number of interrupt lines in 8085 is

5
3
4
2

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Microprocessor
A real number consists of

Integer part, fraction part along with positive or negative sign
None of these
Integer part
Integer part and fraction part

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Microprocessor
Which memory has read operation, byte erase, byte write and chip erase?

RAM
EEPROM
UVEPROM
Both B and C

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 B-C
 Stack Pointer
 D-E
 PSW

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