Microprocessors (MIC)

Multiple Choice Questions (MCQs)

1   The instruction that is used to transfer the data from source operand to destination operand is
    (A)   Data copy/transfer instructions
    (B)   Branch instruction
    (C)   Arithmetic /logical instruction
    (D)   String instructions
[showhide type=”button7c1″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
2   The instruction that is used for finding out the codes in case of code conversion problem is
    (A)   XCHG
    (B)   XLAT
    (C)   XOR
    (D)   JCXL
[showhide type=”button7c2″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
3   Which segment register is being used in the given instruction MOV CX, SS:(BX)
    (A)   ES
    (B)   Cs
    (C)   Ss
    (D)   None of the above
[showhide type=”button7c3″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
4   Which addressing mode is being used in the given instruction MOVAX, (1234H)
    (A)   Base addressing mode
    (B)   Immediate addressing mode
    (C)   Register addressing mode
    (D)   Direct addressing mode
[showhide type=”button7c4″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
5   The mnemonic that is placed before the arithmetic operation is performed is
    (A)   AAA
    (B)   AAS
    (C)   AAM
    (D)   AAP
[showhide type=”button7c5″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
6   In 8086 microprocessor the following has the highest priority among all type interrupts
    (A)   NMI
    (B)   DIV0
    (C)   TYPE255
    (D)   OVERFLOW
[showhide type=”button7c6″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
7   What is DEN
    (A)   direct enable
    (B)   Data entered
    (C)   Data enable
    (D)   Data encoding
[showhide type=”button7c7″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
8   The –———is used to connect more microprocessor
    (A)   Peripheral device
    (B)   Cascade
    (C)   I/O devices
    (D)   Control unit
[showhide type=”button7c8″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
9   INC destination increments the content of destination by——
    (A)   1
    (B)   2
    (C)   30
    (D)   41
[showhide type=”button7c9″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
10   The DS is called as
    (A)   Data segment
    (B)   Digital segment
    (C)   Divide segment
    (D)   Decode segment
[showhide type=”button7c10″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]

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