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Microprocessor

Microprocessor
Pick out the matching pair

 SID; SIM
 S0;S1;wait status
 HOLD; DMA
 READY; RIM

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 2 Mhz.
 8 Mhz.
 1Khz.
 2 Khz.

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Microprocessor
An I/O processor controls the flow of information between

Main memory and I/O devices
Two I/O devices
Cache memory and I/O devices
Cache and main memory

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

 3.
 6.
 2.
 4.

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

Both B and C
EEPROM
RAM
UVEPROM

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