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Microprocessor

Microprocessor
Of the following circuits, the one which involves storage is

Mux
Nand
Decoder
RS Latch

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 unchanged condition
 mode 2
 mode 0; all ports are input

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

EEPROM
Both B and C
UVEPROM
RAM

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

100000
10000
one million
1000

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Microprocessor
S0 and S1 pins are used for

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

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 960ns
 640ns
 320ns
 1280ns

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