CS401-Midterm
1 / 50
When an item is pushed on the decrementing stack, the top of the stack is
2 / 50
When a 16 bit number is divided by an 8 bit number, the quotient will be in
3 / 50
After the execution of “PUSH AX” statement
4 / 50
_______ register holds the address of next instruction is to be executed
5 / 50
Only instructions allow moving data from memory to memory.
6 / 50
MOV instruction transfers a byte or word from which of the following source location.
7 / 50
In a video memory, each screen location corresponds to
8 / 50
The physical address of the stack is obtained by
9 / 50
The iAPX888 architecture consists of _______ register.
10 / 50
“mov byte [num1], 5” is _________ instruction.
11 / 50
In 8088 architecture, whenever an element is pushed on the stack
12 / 50
The first instruction of “COM” file must be at offset:
13 / 50
ASCII stands for ____________. The screen is two dimensional space having:
14 / 50
Each screen location corresponds to a word, the lower byte of this word contains ____
15 / 50
assembly the CX register is used normally as a ______________register.
16 / 50
The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen , background color of the screen will be
17 / 50
18 / 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
19 / 50
After the execution of REP instruction CX will be decremented then which of the following flags will be affected?
20 / 50
While using STOBS, if DF=1 then
21 / 50
8088 is a 16bit processor with its accumulator and all registers of __________.
22 / 50
A 32 Bit processor has accumulator of ---------
23 / 50
One screen location corresponds to a
24 / 50
In the word designated for one screen location, the higher address contains
25 / 50
If we want to divide a signed number by 2, this operation can better be accomplished by
26 / 50
The execution of the instruction “mov word [ES: DI], 0x0720”
27 / 50
After the execution of SAR instruction:
28 / 50
The execution of the instruction “mov word [ES : 0], 0x0741” will print character “A” on screen, color of the character will be
29 / 50
In assembly the CX register is used normally as a ______________register.
30 / 50
The instruction ADC has________ Operand(s)
31 / 50
An offset alone is not complete without
32 / 50
The clear screen operation initialize whole block of memory
33 / 50
Regarding assembler, which statement is true:
34 / 50
After the execution of STOSW the CX will be
35 / 50
The second byte in the word designated for screen location holds
36 / 50
JC and JNC test the ____________ flag.
37 / 50
Which bit of the attributes byte represents the blue component of background color ?
38 / 50
The basic function of SCAS instruction is to
39 / 50
The execution of the instruction “mov word [ES: 0], 0x0741” will print “A” on the screen, color of the character will be
40 / 50
41 / 50
REP will always
42 / 50
RETF will pop the offset in the
43 / 50
Assembly language is:
44 / 50
Which bit of the attributes byte represents the blue component of foreground color
45 / 50
46 / 50
All the addressing mechanisms in iAPX88 return a number called _____________ address.
47 / 50
Which of the following options contain the set of instructions to open a window to the video memory?
48 / 50
49 / 50
After the execution of instruction “RET ”
50 / 50
“Far” jump is not position relative but is _______________
Your score is
The average score is 64%
Restart quiz
