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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 4

Q1 | Which of the following terms is the most closely related to main memory?
  • non volatile
  • permanent
  • control unit
  • temporary
Q2 | Which of the following is used for manufacturing chips?
  • control bus
  • control unit
  • parity unit
  • semiconductor
Q3 | To locate a data item for storage is
  • field
  • feed
  • database
  • fetch
Q4 | A directly accessible appointment calendar is feature of a … resident package
  • cpu
  • memory
  • buffer
  • alu
Q5 | The term gigabyte refers to
  • 1024 bytes
  • 1024 kilobytes
  • 1024 megabytes
  • 1024 gigabyte
Q6 | A/n …. Device is any device that provides information, which is sent to the CPU
  • input
  • output
  • cpu
  • memory
Q7 | Current SIMMs have either … or … connectors (pins)
  • 9 or 32
  • 30 or 70
  • 28 or 72
  • 30 or 72
Q8 | What is the store by register?
  • data
  • operands
  • memory
  • none of these
Q9 | Accumulator based microprocessor example are:
  • intel 8085
  • motorola 6809
  • a and b
  • none of these
Q10 | A set of register which contain are:
  • data
  • memory addresses
  • result
  • all of these
Q11 | There are primarily two types of register:
  • general purpose register
  • dedicated register
  • a and b
  • none of these
Q12 | Name of typical dedicated register is:
  • pc
  • ir
  • sp
  • all of these
Q13 | BCD stands for:
  • binary coded decimal
  • binary coded decoded
  • both a & b
  • none of these
Q14 | Which is used to store critical pieces of data during subroutines and interrupts:
  • stack
  • queue
  • accumulator
  • data register
Q15 | The data in the stack is called:
  • pushing data
  • pushed
  • pulling
  • none of these
Q16 | The external system bus architecture is created using from ______ architecture:
  • pascal
  • dennis ritchie
  • charles babbage
  • von neumann
Q17 | Which is not the control bus signal:
  • read
  • write
  • reset
  • none of these
Q18 | PROM stands for:
  • programmable read-only memory
  • programmable read write memory
  • programmer read and write memory
  • none of these
Q19 | EPROM stands for:
  • erasable programmable read-only memory
  • ectrically programmable read write memory
  • electrically programmable read-only memory
  • none of these
Q20 | Each memory location has:
  • address
  • contents
  • both a and b
  • none of these
Q21 | Which is the type of microcomputer memory:
  • processor memory
  • primary memory
  • secondary memory
  • all of these
Q22 | Secondary memory can store____:
  • program store code
  • compiler
  • operating system
  • all of these
Q23 | Secondary memory is also called____:
  • auxiliary
  • backup store
  • both a and b
  • none of these
Q24 | The RAM which is created using bipolar transistors is called:
  • dynamic ram
  • static ram
  • permanent ram
  • ddr ram
Q25 | Which type of RAM needs regular referred:
  • dynamic ram
  • static ram
  • permanent ram
  • sd ram