CS401-Midterm
1 / 50
Left-Shift-Operation the left most bit _______
2 / 50
The physical address of the stack is obtained by
3 / 50
After the execution of REP instruction CX will be decremented then which of the following flags will be affected?
4 / 50
After the execution of “PUSH AX” statement
5 / 50
The routine that executes in response to an INT instruction is called
6 / 50
JC and JNC test the ____________ flag.
7 / 50
The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen , background color of the screen will be
8 / 50
Which bit of the attributes byte represents the red component of background color ?
9 / 50
After the execution of instruction “RET ”
10 / 50
11 / 50
12 / 50
mov ax,5 has
13 / 50
To transfer control back the RET instruction take
14 / 50
The execution of the instruction “mov word [ES: 0], 0x0741” will print “A” on the screen, color of the character will be
15 / 50
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
16 / 50
An offset alone is not complete without
17 / 50
“Far” jump is not position relative but is _______________
18 / 50
To convert any digit to its ASCII representation
19 / 50
_________ is one of the reasons due to which string instructions are used in 8088
20 / 50
When a 32 bit number is divided by a 16 bit number, the quotient will be stored in
21 / 50
Stack is a ______ that behaves in a first in last out manner.
22 / 50
REP will always
23 / 50
Which of the following options contain the set of instructions to open a window to the video memory?
24 / 50
25 / 50
In 8088 architecture, whenever an element is pushed on the stack
26 / 50
The execution of the instruction “mov word [ES : 160], 0x1230” will print a character “0” on the screen at
27 / 50
Which bit of the attributes byte represents the blue component of foreground color
28 / 50
29 / 50
All the addressing mechanisms in iAPX88 return a number called _____________ address.
30 / 50
Execution of the instruction “mov word [ES : 0], 0x0741” will print
31 / 50
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
32 / 50
When an item is pushed on the decrementing stack, the top of the stack is
33 / 50
After the execution of instruction “RET”
34 / 50
35 / 50
After execution of JCXZ instruction CX will changed with flag affect.
36 / 50
The clear screen operation initialize whole block of memory
37 / 50
assembly the CX register is used normally as a ______________register.
38 / 50
In the instruction MOV AX, 5 the number of operands are
39 / 50
After the execution of MOVS instruction which of the following registers are updated
40 / 50
41 / 50
The maximum parameters a subroutine can receive (with the help of registers) are
42 / 50
The basic function of SCAS instruction is to
43 / 50
In the instruction “CMP AX,BX” the contents of
44 / 50
MOV instruction transfers a byte or word from which of the following source location.
45 / 50
one RET is executed, it recovers the values from
46 / 50
When a 16 bit number is divided by an 8 bit number, the quotient will be in
47 / 50
48 / 50
One screen location corresponds to a
49 / 50
Code Segment is associated to _______ register by default.
50 / 50
one DIV instruction has
Your score is
The average score is 64%
Restart quiz
