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Microprocessor

Microprocessor
CALL instruction is a ______ instruction.

 4 bytes
 3 bytes
 2 bytes
 1 bytes

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Microprocessor
Identify the programmable DMA controller from the following

 8251
 8257
 8279
 8253

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-interrupt lines
 8-bit data bus
 8-bit controller

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 RST 7.5 is recognized
 DAD RP instruction is executed
 INTR interrupt is recognized
None of these

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Microprocessor
For a memory with a 16-bit address space, the addressability is

16 bits
2^16 bits
Cannot be determined
8 bits

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Microprocessor
What is used to access 16-bit data in 8086?

 Data Banking.
 Memory Banking.
 Pipeline architecture.
None of these

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