Reference no: EM13144749

1. Complete the following tables using hexadecimal  numbers only :

	32	25	24	17	16	9	8	1
INSTRUCTIONS
mov eax, 3F293567h
mov ax, 9BCh
mov ax, 3D32h
mov ah, 5Ch
mov  ax, 3h
mov eax, 1267
mov ax, 3AF4h
mov ah, 27h
mov al, 25

2. Complete the following table with hexadecimal numbers only.

ASSEMBLY CODE	EAX	EDX	X
x dword 6AAD h
mov edx, 0h
mov eax, 5ACDEFh
div  x

3. Complete the following tables with hexadecimal numbers only:.          

ASSEMBLY CODE	EAX	EDX	X
x dword 78368239d
mov eax , x
mul  x

4.  Complete the table below. Use only hexadecimal numbers only.

AL INSTRUCTIONS

eax

ebx

BYTES:

1

2

3

4

5

6

7

8

mov eax, 2

mov  ebx, 7D12Eh

mov [eax], ebx

mov eax, 4

mov ebx, 923d

mov [eax], ebx

mov  ebx, 3

mov eax, [ebx]

mov eax, 5

move ebx,  '- x3'

mov [eax], ebx

5. Compute 43323₅ Mod(243₅) = N₅ = ________

6.

mov ax ,  1011 0100 1110 1011 b

mov bx,   0000 0101 0010 0000 b

and ax, bx

shr ax, 4 ;                                      

The register AX will contain the resulting number, in decimal =              

7. (a).  The float point number 56.00089   = N₁₀/M₁₀ where N₁₀/M₁₀ = __________

   (b).  N₁₀/M₁₀ -> P₁₆/Q₁₆ where P₁₆/Q₁₆ = _____

8.  Write 0.23/0.0035 in scientific notation form  N/M* 10 ⁿ  where N, M and n are integers:  _______

9. The end of the following partial program will store    __________   into  eax.    

mov eax, 0

mov ebx, 1

begin: cmp ebx , 3

jg end

add ebx, 1

add eax, ebx

jmp begin

end:

10. From this partial program complete the following table below:

mov eax, 1 ;        

mov ebx, 100       

cmp eax, 4

begin: jg  end

mov [ebx], eax

 add eax, 2

add ebx, 4

 jmp begin

end:

Memory Storage                               

100	101	102	103	104	105	106	107	108	109	110	111

11. [(0.3879)(768000)]/[(57.554)(3000)] = [(3879)10ⁿ(768)10^m]/[(57554)10^p(3)10^q] =

     {[(3879)(768)/[(57554)(3)]}10^R

n = _______  ; m = ________ ;   p = ___  ; q = _________   ;    R__________            

12. The following partial program will truncate the number 3.5

.data

n word ?

x real4     3.5

round word 0600h

.code

_start :

fld x           

fstcw round

fist n ;         

public _start

end

True   ______    False _______  

13. .data

n word ?

x real4 0.09

y word ?

round word 0600h

.code

_start :

fld x          

fldcw round     

fist n            

fstcw  y

public _start                                                                                                                                                                    

end:  This partial program stores in y the value _____  and stores in n the value ______

14.

; begin

mov m,  0100010100000000b

fcom x

fstsw ax

and ax,m

cmp  ax,  0100000000000000b

 jne L1

mov eax, 1 

jmp L2

L1:mov eax ,  0

L2: end

Assuming that S has a value, the partial program above will find that

(a). S > x;     (b). S < x     (c). S=x      (d).  S≠ x  (e).  none of these   __________

15. The following are ASCII codes: 3C 42 5D.   Translate into a string ___________   

16.  Complete the following table below. Only hexadecimal numbers.                                

INSTRUCTIONS	eax	ebx	BYTES:	9		10		11		12		13		14		15		16		17
mov eax,  2ACB16h
mov ebx, 9d
add ebx, 1d
mov [ebx], eax
add  [ebx], ebx
add  eax, ebx

17.  Complete the table below. Only hexadecimal numbers.

AL INSTRUCTIONS	eax	ebx	BYTES:	1		2		3		4		5		6		7		8
mov eax, 2
mov  ebx, 7D12Eh
mov [eax], ebx
mov eax, 4
mov ebx, 568923h
mov [eax], ebx
mov  ebx, 3
mov eax, [ebx]

18.  The largest 24 bits signed hexadecimal number that can be stored in EAX is

EAX:                                            hexadecimal number                     

Complete the table above.