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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 5

Q1 | Which RAM is created using MOS transistors:
  • dynamic ram
  • static ram
  • permanent ram
  • sd ram
Q2 | A microprocessor retries instructions from :
  • control memory
  • cache memory
  • main memory
  • virtual memory
Q3 | The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
  • read
  • write
  • both a and b
  • none of these
Q4 | The CPU removes the ___ signal to complete the memory write operation:
  • read
  • write
  • both a and b
  • none of these
Q5 | BIU STAND FOR:
  • bus interface unit
  • bess interface unit
  • a and b
  • none of these
Q6 | EU STAND FOR:
  • execution unit
  • execute unit
  • exchange unit
  • none of these
Q7 | Eight of the register are known as:
  • general- purpose register
  • pointer or index registers
  • segment registers
  • other register
Q8 | The four index register can be used for:
  • arithmetic operation
  • multipulation operation
  • subtraction operation
  • all of these
Q9 | IP Stand for:
  • instruction pointer
  • instruction purpose
  • instruction paints
  • none of these
Q10 | CS Stand for:
  • code segment
  • coot segment
  • cost segment
  • counter segment
Q11 | DS Stand for:
  • data segment
  • direct segment
  • declare segment
  • divide segment
Q12 | The acculatator is 16 bit wide and is called:
  • ax
  • ah
  • al
  • dl
Q13 | How many bits the instruction pointer is wide:
  • 16 bit
  • 32 bit
  • 64 bit
  • 128 bit
Q14 | How many type of addressing in memory:
  • logical address
  • physical address
  • both a and b
  • none of these
Q15 | The size of each segment in 8086 is:
  • 64 kb
  • 24 kb
  • 50 kb
  • 16kb
Q16 | The _______ address of a memory is a 20 bit address for the 8086 microprocessor:
  • physical
  • logical
  • both
  • none of these
Q17 | The pin configuration of 8086 is available in the________:
  • 40 pin
  • 50 pin
  • 30 pin
  • 20 pin
Q18 | DIP stand for:
  • deal inline package
  • dual inline package
  • direct inline package
  • digital inline package
Q19 | EA stand for:
  • effective address
  • electrical address
  • effect address
  • none of these
Q20 | BP stand for:
  • bit pointer
  • base pointer
  • bus pointer
  • byte pointer
Q21 | DI stand for:
  • destination index
  • defect index
  • definition index
  • delete index
Q22 | SI stand for:
  • stand index
  • source index
  • segment index
  • simple index
Q23 | ALE stand for:
  • address latch enable
  • address light enable
  • address lower enable
  • address last enable
Q24 | NMI stand for:
  • non mask able interrupt
  • non mistake interrupt
  • both
  • none of these
Q25 | The offset of a particular segment varies from _________:
  • 000h to fffh
  • 0000h to ffffh
  • 00h to ffh
  • 00000h to fffffh