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Microprocessor

Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 16
 8
 12

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Microprocessor
While STC instruction executes,

 only carry flag will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.
 all flags will be affected.

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Microprocessor
Identify the programmable interval timer from the following

 8252
 8253
 8279
 8275

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

RAM
EEPROM
Both B and C
UVEPROM

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + EC
 IC = FC + 2EC
 EC = IC + FC
 IC = FC - EC

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 3.
 2.
 6.
 4.

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