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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 7

Q1 | What is the responsibility of the logical unit in the CPU of a computer?
  • to produce result
  • to compare numbers
  • to control flow of information
  • to do math’s works
Q2 | The secondary storage devices can only store data but they cannot perform
  • arithmetic operation
  • logic operation
  • fetch operations
  • either of the above
Q3 | Which of the following memories allows simultaneous read and write operations?
  • rom
  • ram
  • eprom
  • none of above
Q4 | Which of the following memories has the shortest access times?
  • cache memory
  • magnetic bubble memory
  • magnetic core memory
  • ram
Q5 | A 32 bit microprocessor has the word length equal to
  • 2 byte
  • 32 byte
  • 4 byte
  • 8 byte
Q6 | An error in computer data is called
  • chip
  • bug
  • cpu
  • storage device
Q7 | The silicon chips used for data processing are called
  • ram chips
  • rom chips
  • micro processors
  • prom chips
Q8 | The instructions for starting the computer are house on
  • random access memory
  • cd-rom
  • read only memory chip
  • all of above
Q9 | The ALU of a computer normally contains a number of high speed storage element called
  • semiconductor memory
  • registers
  • hard disks
  • magnetic disk
Q10 | The first digital computer built with IC chips was known as
  • ibm 7090
  • apple – 1
  • ibm system / 360
  • vax-10
Q11 | Which of the following terms is the most closely related to main memory?
  • non volatile
  • permanent
  • control unit
  • temporary
Q12 | Which of the following is used for manufacturing chips?
  • control bus
  • control unit
  • parity unit
  • semiconductor
Q13 | To locate a data item for storage is
  • field
  • feed
  • database
  • fetch
Q14 | A directly accessible appointment calendar is feature of a … resident package
  • cpu
  • memory
  • buffer
  • alu
Q15 | A/n …. Device is any device that provides information, which is sent to the CPU
  • input
  • output
  • cpu
  • memory
Q16 | Current SIMMs have either … or … connectors (pins)
  • 9 or 32
  • 30 or 70
  • 28 or 72
  • 30 or 72