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Microprocessor

Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 Pentium
 80386
 80286
 80486

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 20
 220-1
 220

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Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 27.
 21.
 40.

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Microprocessor
While STC instruction executes,

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

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 RIM
 DI
 EI
 SIM

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

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

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