CS401-Midterm
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When an item is pushed on the decrementing stack, the top of the stack is
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| 0 |--›| 1 | 1 | 0 | 1 | 0 | 0 | 0 | --›| C | is a example of ______
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After the execution of MOVS instruction which of the following registers are updated
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After the execution of instruction “RET”
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MOV instruction transfers a byte or word from which of the following source location.
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The physical address of the stack is obtained by
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Which mathematical operation is dominant during the execution of SCAS instruction
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which bit sets the character "blinking" on the screen?
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After execution of JCXZ instruction CX will changed with flag affect.
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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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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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One screen location corresponds to a
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After the execution of STOSW the CX will be
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In STOS instruction, the implied source will always be in
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allow changing specific processor behaviors and are used to play with it.
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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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If we want to divide a signed number by 2, this operation can better be accomplished by
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Stack is a ______ that behaves in a first in last out manner.
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Which is the unidirectional bus ?
Control Bus
(II) Data Bus
(III) Address Bus
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The instruction ADC has________ Operand(s)
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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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In the word designated for one screen location, the higher address contains
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Which bit of the attributes byte represents the red component of background color ?
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_______ register holds the address of next instruction is to be executed
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The routine that executes in response to an INT instruction is called
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8088 is a 16bit processor with its accumulator and all registers of __________.
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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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mov ax,5 has
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“mov byte [num1],5” is _______ instruction.
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The second byte in the word designated for screen location holds
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In the instruction MOV AX, 5 the number of operands are
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Assembly language is:
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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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In assembly the CX register is used normally as a ______________register.
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An offset alone is not complete without
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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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In a video memory, each screen location corresponds to
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The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen, color of the character will be
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To convert any digit to its ASCII representation
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After the execution of instruction “RET ”
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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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JC and JNC test the ____________ flag.
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