CS401-Midterm
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| 0 |--›| 1 | 1 | 0 | 1 | 0 | 0 | 0 | --›| C | is a example of ______
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Which is the unidirectional bus ?
Control Bus
(II) Data Bus
(III) Address Bus
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The execution of the instruction “mov word [ES: DI], 0x0720”
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In assembly the CX register is used normally as a ______________register.
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REP will always
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The extended ASCII has
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One screen location corresponds to a
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In STOS instruction, the implied source will always be in
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if ax contains decimal -2 and BX contains decimal 2 then after the execution of instructions: CMP AX, BX ,JA label
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Left-Shift-Operation the left most bit _______
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_______ register holds the address of next instruction is to be executed
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All the addressing mechanisms in iAPX88 return a number called _____________ address.
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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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When a 16 bit number is divided by an 8 bit number, the dividend will be in
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When a 32 bit number is divided by a 16 bit number, the quotient is of
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The routine that executes in response to an INT instruction is called
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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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assembly the CX register is used normally as a ______________register.
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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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If the direction of the processing of a string is from higher addresses towards lower addresses then
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A 32 Bit processor has accumulator of ---------
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“Far” jump is not position relative but is _______________
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_________ is one of the reasons due to which string instructions are used in 8088
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After execution of JCXZ instruction CX will changed with flag affect.
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The basic function of SCAS instruction is to
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In the Rotate Right Operation every bit moves one position to right and the bit dropped from the right is inserted at the left and:
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Each screen location corresponds to a word, the lower byte of this word contains ____
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After the execution of STOSW the CX will be
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which bit sets the character "blinking" on the screen?
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Only instructions allow moving data from memory to memory.
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To transfer control back the RET instruction take
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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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one DIV instruction has
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The prevalent convention in most high level languages is stack clearing by the
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In the instruction “CMP AX,BX” the contents of
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8088 is a 16bit processor with its accumulator and all registers of __________.
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After the execution of MOVS instruction which of the following registers are updated
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Assembly language is:
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To convert any digit to its ASCII representation
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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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Which bit of the attributes byte represents the blue component of background color ?
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In a video memory, each screen location corresponds to
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When the operand of DIV instruction is of 16 bits then implied dividend will be of
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The first instruction of “COM” file must be at offset:
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The instruction ADC has________ Operand(s)
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