8086 Microprocessor Set 1

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This set of 8086 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8086 Microprocessor Set 1

Q1 | A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.
  • multiple
  • single
  • double
  • triple
Answer: single
Q2 | Microprocessor is a/an _______ circuit that functions as the CPU of the compute
  • electronic
  • mechanic
  • integrating
  • processing
Answer: electronic
Q3 | Microprocessor is the ______ of the computer and it perform all the computational tasks
  • main
  • heart
  • important
  • simple
Answer: heart
Q4 | The purpose of the microprocessor is to control ______
  • memory
  • switches
  • processing
  • tasks
Answer: memory
Q5 | The first digital electronic computer was built in the year________
  • 1950
  • 1960
  • 1940
  • 1930
Answer: 1940
Q6 | In 1960's texas institute invented ______
  • integrated circuits
  • microprocessor
  • vacuum tubes
  • transistors
Answer: integrated circuits
Q7 | The intel 8086 microprocessor is a _______ processor
  • 8 bit
  • 16 bit
  • 32 bit
  • 4 bit
Answer: 16 bit
Q8 | The microprocessor can read/write 16 bit data from or to ________
  • memory
  • i /o device
  • processor
  • register
Answer: memory
Q9 | The work of EU is ________
  • encoding
  • decoding
  • processing
  • calculations
Answer: decoding
Q10 | The 16 bit flag of 8086 microprocessor is responsible to indicate ___________
  • the condition of result of alu operation
  • the condition of memory
  • the result of addition
  • the result of subtraction
Answer: the condition of result of alu operation
Q11 | The CF is known as ________
  • carry flag
  • condition flag
  • common flag
  • single flag
Answer: carry flag
Q12 | The SF is called as ________
  • service flag
  • sign flag
  • single flag
  • condition flag
Answer: sign flag
Q13 | The OF is called as _______
  • overflow flag
  • overdue flag
  • one flag
  • over flag
Answer: overflow flag
Q14 | The IF is called as _________
  • initial flag
  • indicate flag
  • interrupt flag
  • inter flag
Answer: interrupt flag
Q15 | The register AX is formed by grouping ________
  • ah & al
  • bh & bl
  • ch & cl
  • dh & dl
Answer: ah & al
Q16 | The SP is indicated by ________
  • single pointer
  • stack pointer
  • source pointer
  • destination pointer
Answer: stack pointer
Q17 | The BP is indicated by _______
  • base pointer
  • binary pointer
  • bit pointer
  • digital pointer
Answer: base pointer
Q18 | The SS is called as ________
  • single stack
  • stack segment
  • sequence stack
  • random stack
Answer: stack segment
Q19 | The index register are used to hold _______
  • memory register
  • offset address
  • segment memory
  • offset memory
Answer: offset address
Q20 | The BIU contains FIFO register of size __________ bytes
  • 8
  • 6
  • 4
  • 12
Answer: 6
Q21 | The BIU prefetches the instruction from memory and store them in ________
  • queue
  • register
  • memory
  • stack
Answer: queue
Q22 | The 1 MB byte of memory can be divided into ______ segment
  • 1 kbyte
  • 64 kbyte
  • 33 kbyte
  • 34 kbyte
Answer: 64 kbyte
Q23 | The DS is called as _______
  • data segment
  • digital segment
  • divide segment
  • decode segment
Answer: data segment
Q24 | The CS register stores instruction _____________ in code segment
  • stream
  • path
  • codes
  • stream line
Answer: codes
Q25 | The IP is ________ bits in length
  • 8 bits
  • 4 bits
  • 16 bits
  • 32 bits
Answer: 16 bits
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