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Microprocessor

Microprocessor
Which language could be used for programming an FPGA.

 Both A and B
 Verilog
 VHDL
 None

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Microprocessor
‘Burst refresh’ in DRAM is also called

Concentrated refresh
Distributed refresh
Hidden refresh
None of these

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 ORI 0FH
 CMA
 XRI 0FH

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

UVEPROM
RAM
EEPROM
Both B and C

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 An op-code fetch cycle
 An I/O read cycle
 A memory write cycle
 A memory read cycle

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Microprocessor
S0 and S1 pins are used for

 acknowledging the interrupt
None of these
 indicating the processor’s status
 serial communication

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