CS401-Midterm
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When a 32 bit number is divided by a 16 bit number, the quotient is of
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Stack is a ______ that behaves in a first in last out manner.
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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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The maximum parameters a subroutine can receive (with the help of registers) are
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Code Segment is associated to _______ register by default.
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REP will always
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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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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 first instruction of “COM” file must be at offset:
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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 of the following options contain the set of instructions to open a window to the video memory?
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An offset alone is not complete without
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One screen location corresponds to a
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Execution of the instruction “mov word [ES : 0], 0x0741” will print
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| 0 |--›| 1 | 1 | 0 | 1 | 0 | 0 | 0 | --›| C | is a example of ______
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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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The second byte in the word designated for one screen location holds
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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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All the addressing mechanisms in iAPX88 return a number called _____________ address.
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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
23 / 50
The clear screen operation initialize whole block of memory
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To transfer control back the RET instruction take
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Which bit of the attributes byte represents the red component of background color ?
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which bit sets the character "blinking" on the screen?
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A 32 Bit processor has accumulator of ---------
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After the execution of “PUSH AX” statement
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CMPS instruction subtracts the source location to the destination location. Destination location always lies in
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After the execution of STOSW the CX will be
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Which mathematical operation is dominant during the execution of SCAS instruction
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MOV instruction transfers a byte or word from which of the following source location.
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The instruction ADC has________ Operand(s)
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Which bit of the attributes byte represents the blue component of foreground color
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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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40 / 50
“mov byte [num1], 5” is _________ instruction.
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8088 is a 16bit processor with its accumulator and all registers of __________.
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While using STOBS, if DF=1 then
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44 / 50
physical address of the stack is obtained by
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Left-Shift-Operation the left most bit _______
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The iAPX888 architecture consists of _______ register.
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48 / 50
The second byte in the word designated for screen location holds
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Only instructions allow moving data from memory to memory.
50 / 50
When an item is pushed on the decrementing stack, the top of the stack is
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