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Microprocessor

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

RAM
Both B and C
EEPROM
UVEPROM

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 RST 7.5
 RST 5.5
 TRAP

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

 8
 16
 2
 6

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Instruction cycle
 Memory cycle
 Machine cycle
 Clock cycle

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Microprocessor
In 8085, the pins for SID and SOD are

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

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