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Microprocessor

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

 Pentium
 80286
 80486
 80386

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 logical interrupts
 hardware interrupts

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
Z, CY, S, D, AC
D, Z, S, P, AC
Z, CY, S, P and AC

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 11
 00
 01
 10

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T2 & T3
 T1 & T2
 T3 & T4
 T4 & T1

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Microprocessor
Identify the programmable DMA controller from the following

 8251
 8279
 8253
 8257

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