Hello Msbte Diploma Students in this article we have Provided 22415 Microprocessor Mcq Questions and Answers with Pdf Download. This Microprocessor Mcq Online Test is Ideal for Students who are in 2nd Year of Diploma in Engineering Course.

By reffering this 22415 Mcq on Microprocessor Msbte I Scheme Diploma in Computer Engineering Candidates can Practise for Upcoming Msbte Diploma Winter 2021 Mcq Exam. In this microprocessor 22415 mcq We have Selected 30 Most Important Questions from Previous Year Answer Paper Which Can Help Students in Msbte Winter 2021 Exams.

Microprocessor Mcq Online Test

We Have Also Provided Microprocessor MCQ Questions and Answers pdf Link at the end of the Quiz You can Download it for Future Refrence.

1) The Microprocessor is a ____________of the computer and it performs all the computational tasks.
A) Main
B) Heart
C) Important
D) Simple

Correct!

Wrong!

2) The Purpose of the Microprocessor is to control______
A) Memory
B) Switching
C) Processing
D) Task

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3) The Intel 8086 Microprocessor is a _______________ processor.
A) 8 bit
B) 16 bit
C) 32 bit
D) 4 bit

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4) The work of EU is _______
A) Encoding
B) Decoding
C) Processing
D) Calculations

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5) 1MB of memory can be divided into _________ segment.
A) 1 Kbyte
B) 64 Kbyte
C) 33 Kbyte
D) 34 Kbyte

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6) If MN / MX is low the 8086 operates in __________ mode.
A) Minimum
B) Maximum
C) Both a) and b)
D) Medium

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7) Which is not an operand ?
A) Variable
B) Register
C) Memory location
D) Assembler

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8) The number of addresses and data lines of 8086_________.
A) 8 and 8
B) 16 and 16
C) 20 and 16
D) 16 and 20

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9) The register AX is formed by grouping
A) AH & AL
B) BH & BL
C) CH & CL
D) DH & DL

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10) The SS is called as
A) single stack
B) stack segment
C) sequence stack
D) random stack

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11) The pin of minimum mode AD0- AD15 has _________data bus
A) 4 bit
B) 20 bit
C) 16 bit
D) 32 bit

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12) Which is not an operand ?
A) Variable
B) Register
C) Memory location
D) Assembler

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13) The extension that is essential for every assembly levelĀ  program is
A) .ASP
B) .ALP
C) .ASM
D) .PGM

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14) The coded object modules of the program to be assembled are present in
A) ASM file
B) .OBJ file
C) .EXE file
D) .OBJECT file

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15) IDIV instruction divides __________ numbers.
A) Signed
B) Unsigned
C) Both
D) None of the above

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16) The INC destination increments the content of destination by __________
A) 1
B) 2
C) 30
D) 41

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17) The instruction that adds immediate data/contents of the memory location specified in an instruction/register to the contents of another register/memory location is
A) SUB
B) ADD
C) MUL
D) DIV

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18) The instruction that unconditionally transfers the control of execution to the specified address is____
A) CALL
B) JMP
C) RET
D) IRET

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19) Which of the following is not a machine controlled instruction?
A) HLT
B) LOCK
C) CLC
D) ESC

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20) The instruction that loads effective address formed by destination operand into the specified source register is
A) LEA
B) LDS
C) LES
D) LAHF

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21) _______ register is used as a default counter in case of string and loop instructions.
A) BX
B) DX
C) CX
D) AX

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22) _____ register is used as an implicit operand or destination operand in case of arithmetic instructions and Input-Output instructions.
A) AX
B) DX
C) CX
D) BX

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23) The instruction that loads the AH register with the lower byte of the flag register is
A) SAHF
B) AH
C) LAHF
D) PUSHF

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24) The instruction that is used for finding out the codes in case of code conversion problems is
A) XCHG
B) XLAT
C) XLAT
D) JCXZ

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25) The instruction that pushes the contents of the specified register/memory location on to the stack is
A) PUSHF
B) POP
C) POPF
D) PUSH

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26) The beginning of the macro can be represented as
A) BEGIN
B) MACRO
C) START
D) NONE OF THE ABOVE

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27) The end of a macro can be represented by the directive.
A) ENDM
B) ENDS
C) END
D) ENDD

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28) The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are
A) CALL,RET
B) CALL, JMP
C) JMP, IRET
D) JMP, RET

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29) The instruction that is used as prefix to an instruction to execute it repeatedly until the CX register becomes zero is
A) SCAS
B) REP
C) CMPS
D) STOS

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30) The mnemonic that is placed before the arithmetic operation is performed is
A) AAA
B) AAS
C) AAM
D) AAD

Correct!

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