CS401-Midterm
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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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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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Stack is a ______ that behaves in a first in last out manner.
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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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physical address of the stack is obtained by
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Which bit of the attributes byte represents the red component of background color ?
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When an item is pushed on the decrementing stack, the top of the stack is
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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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Which mathematical operation is dominant during the execution of SCAS instruction
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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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_________ is one of the reasons due to which string instructions are used in 8088
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When the operand of DIV instruction is of 16 bits then implied dividend will be of
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A 32 Bit processor has accumulator of ---------
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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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The iAPX888 architecture consists of _______ register.
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The execution of the instruction “mov word [ES: DI], 0x0720”
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To convert any digit to its ASCII representation
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The physical address of the stack is obtained by
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The execution of the instruction “mov word [ES : 160], 0x1230” will print a character “0” on the screen at
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In the instruction “CMP AX,BX” the contents of
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The extended ASCII has
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In the word designated for one screen location, the higher address contains
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The routine that executes in response to an INT instruction is called
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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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One screen location corresponds to a
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To transfer control back the RET instruction take
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The basic function of SCAS instruction is to
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CMPS instruction subtracts the source location to the destination location. Destination location always lies in
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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 instruction “RET”
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Each screen location corresponds to a word, the lower byte of this word contains ____
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Code Segment is associated to _______ register by default.
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In STOSB instruction, when DF is Set, SI is
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one DIV instruction has
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JC and JNC test the ____________ flag.
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MOV instruction transfers a byte or word from which of the following source location.
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decrements SP (the stack pointer) by two and then transfers a word from the source operand to the top of stack
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Regarding assembler, which statement is true:
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After the execution of SAR instruction:
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“Far” jump is not position relative but is _______________
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When a 32 bit number is divided by a 16 bit number, the quotient will be stored in
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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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