MPI important questions

Unit 1

Architecture of 8085 & 8086 Addressing modes Cond. Trnsfr & unconditional trnsfr instruction Diff b/w procedure and macro Flag register of 8085 & 8086

Unit 2

Write an alp for byte by byte multiplication Alp for the arithmetic expression Alp for finding as num whether +ve or –ve Explain assembler directives

Unit 3

Explain pin diag. of 8086 in min/max mode Interface two 4k EPROM & two 4k RAM chips with 8086 with suitable map Intrnl arch of 8257 Timing diagrams of read & write operations of 8086

Unit 4

Discuss foll ctrl wrd of 8255Mode set ctrl wordBit set/reset mode

Opration of 8255 PPI