8086 Microprocessor Set 3

Bachelor of Science in Computer Science FY (BSc CS),

Bachelor of Science in Information Technology FY (BSc IT),

Bachelor of Computer Applications (BCA),

Bachelor of Science in Information Technology (BSc IT),

Bachelor of Science in Computer Science (BSc CS)

Practice Mode Previous Next
On This Page

This set of 8086 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8086 Microprocessor Set 3

Q1 | interrupted program
  • forward
  • return
  • data
  • line
Answer: return
Q2 | The main concerns of the ___________ are to define a flexible set of commands
  • memory interface
  • peripheral interface
  • both (a) and (b)
  • control interface
Answer: memory interface
Q3 | and write into register
  • multiprocessor
  • microprocessor
  • dual processor
  • coprocessor
Answer: microprocessor
Q4 | To perform any operations, the Mp should identify the __________
  • register
  • memory
  • interface
  • system
Answer: register
Q5 | The Microprocessor places __________ address on the address bus
  • 4 bit
  • 8 bit
  • 16 bit
  • 32 bit
Answer: 16 bit
Q6 | register should be selected
  • address
  • one
  • two
  • three
Answer: one
Q7 | The ________of the memory chip will identify and select the register for the EPROM
  • internal decoder
  • external decoder
  • address decoder
  • data decoder
Answer: internal decoder
Q8 | Microprocessor provides signal like ____ to indicate the read operatio
  • low
  • mcmw
  • mcmr
  • mcmwr
Answer: mcmr
Q9 | must be added to address lines of the _______ chip.
  • single
  • memory
  • multiple
  • triple
Answer: memory
Q10 | The remaining address line of ______ bus is decoded to generate chip select signal
  • data
  • address
  • control bus
  • both (a) and (b)
Answer: address
Q11 | _______ signal is generated by combining RD and WR signals with IO/M
  • control
  • memory
  • register
  • system
Answer: control
Q12 | Memory is an integral part of a _______ system
  • supercomputer
  • microcomputer
  • mini computer
  • mainframe computer
Answer: microcomputer
Q13 | _____ has certain signal requirements write into and read from its registers
  • memory
  • register
  • both (a) and (b)
  • control
Answer: memory
Q14 | An _________ is used to fetch one address
  • internal decoder
  • external decoder
  • encoder
  • register
Answer: internal decoder
Q15 | The primary function of the _____________ is to accept data from I/P devices
  • multiprocessor
  • microprocessor
  • peripherals
  • interfaces
Answer: microprocessor
Q16 | ___________ signal prevent the microprocessor from reading the same data more than one
  • pipelining
  • handshaking
  • controlling
  • signaling
Answer: handshaking
Q17 | Bits in IRR interrupt are ______
  • reset
  • set
  • stop
  • start
Answer: set
Q18 | __________ generate interrupt signal to microprocessor and receive acknowledge
  • priority resolver
  • control logic
  • interrupt request register
  • interrupt register
Answer: control logic
Q19 | The _______ pin is used to select direct command word
  • a0
  • d7-d6
  • a12
  • ad7-ad6
Answer: a0
Q20 | The _______ is used to connect more microprocessor
  • peripheral device
  • cascade
  • i/o devices
  • control unit
Answer: cascade
Q21 | CS connect the output of ______
  • encoder
  • decoder
  • slave program
  • buffer
Answer: decoder
Q22 | In which year, 8086 was introduced?
  • 1978
  • 1979
  • 1977
  • 1981
Answer: 1978
Q23 | Expansion for HMOS technology_______
  • high level mode oxygen semiconductor
  • high level metal oxygen semiconductor
  • high performance medium oxide semiconductor
  • high performance metal oxide semiconductor
Answer: high performance metal oxide semiconductor
Q24 | 8086 and 8088 contains _______ transistors
  • 29000
  • 24000
  • 34000
  • 54000
Answer: 29000
Q25 | ALE stands for ___________
  • address latch enable
  • address level enable
  • address leak enable
  • address leak extension
Answer: address latch enable
Previous Next