CS401-Midterm
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If the direction of the processing of a string is from higher addresses towards lower addresses then
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JC and JNC test the ____________ flag.
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The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen , background color of the screen will be
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RETF will pop the offset in the
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Which mathematical operation is dominant during the execution of SCAS instruction
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In the instruction “CMP AX,BX” the contents of
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The clear screen operation initialize whole block of memory
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In STOS instruction, the implied source will always be in
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_______ register holds the address of next instruction is to be executed
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If the address of memory location Num1 is 0117 and its content is 0005 then after execution of the instruction “ mov bx, Num1” bx will contain
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“Far” jump is not position relative but is _______________
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After the execution of “PUSH AX” statement
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The basic function of SCAS instruction is to
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All the addressing mechanisms in iAPX88 return a number called _____________ address.
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Which of the following options contain the set of instructions to open a window to the video memory?
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The physical address of the stack is obtained by
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ASCII stands for ____________. The screen is two dimensional space having:
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The execution of the instruction “mov word [ES: 0], 0x0741” will print “A” on the screen, color of the character will be
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When a very large number is divided by very small number so that the quotient is larger than the space provided, this is called
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If we want to divide a signed number by 2, this operation can better be accomplished by
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Only instructions allow moving data from memory to memory.
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After the execution of REP instruction CX will be decremented then which of the following flags will be affected?
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The iAPX888 architecture consists of _______ register.
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Execution of the instruction “mov word [ES : 0], 0x0741” will print
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While using STOBS, if DF=1 then
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The routine that executes in response to an INT instruction is called
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which bit sets the character "blinking" on the screen?
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In the word designated for one screen location, the higher address contains
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When a 16 bit number is divided by an 8 bit number, the dividend will be in
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In assembly the CX register is used normally as a ______________register.
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After the execution of STOSW, the CX will be
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In the instruction MOV AX, 5 the number of operands are
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REP will always
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When an item is pushed on the decrementing stack, the top of the stack is
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After the execution of MOVS instruction which of the following registers are updated
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When a 16 bit number is divided by an 8 bit number, the quotient will be in
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The prevalent convention in most high level languages is stack clearing by the
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All the addressing mechanisms iniAPX88 return a number called ______ address.
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The extended ASCII has
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When two 16bit numbers are added the answer can be 17 bits long, this extra bit that won’t fit in the target register is placed in the where it can be used and tested
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Each screen location corresponds to a word, the lower byte of this word contains ____
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Which bit of the attributes byte represents the red component of background color ?
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When a 32 bit number is divided by a 16 bit number, the quotient is of
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