Question 1 //4 marks

tangibleassistantΛογισμικό & κατασκευή λογ/κού

3 Δεκ 2013 (πριν από 3 χρόνια και 4 μήνες)

60 εμφανίσεις

Question 1

//4
marks


Suppose you want to see a 3D cartoon movie of 10 second length in RGB mode having
a resolution of
1024 x786 at 60 Hz. If clip is organized in a way that after every refresh cycle a new frame is to be loaded
then how much data has to be moved by the video card for 10 seconds to refresh the whole screen?


Question 2


//6
marks


Write an assembly program to write character ‘b’ at 20th column and 25th row using direct memory
access. Use the foll
owing information:


Text mode: 3


Video graphics memories address: 0b8000h


Solution:


Write character ‘b’


At C x R = 20 x 25


row * 320 + column


Video graphics memories address: 0b8000h


Text mode 3, using DMA





Mov ax, 0b8000h


Mov ds,ax


Mov r1,320


ASL r3, 5 ;; 25*320 = r3


Mov r4,20


ADD r0,r3,r4 ;; 25*320+20 = r0


Mov si, r0


Mov [si],’b’ ;; write b





Question 3


//5
marks


Following is the list of smart phones. Mention the names of hardware which are used in these smart
phones for Graphics.


Device Name


GPU’s


Samsung Galaxy S II


HTC Sensation


IPhone 4


Galaxy Nexus


Motorola Xoom


Solution:


Following is the list of smart phones. Mention the names of hardware which are used in these smart
phones for Graphics.



Solution It Jobs Multicolor Iphones Coil Spring Business Solution Galaxy Device Name

GPU’s

Samsung Galaxy S II

ARM Mali
-
40
0 MP4 (GT
-
I9100, SHW
-
M250S/K/L)

PowerVR SGX540 (GT
-
I9100G)


Qualcomm Adreno 220 (GT
-
I9210)

HTC Sensation

Adreno 220

IPhone 4

PowerVR SGX535 @ 200

250 MHz (1.6

2 GFLOPS)

Galaxy Nexus

384 MHz PowerVR SGX540

Motorola Xoom

PowerVR SGX540




Lg Phone Posted Dec
ember 2012 Solution It Jobs Multicolor Iphones


Question 4

//5
marks


Fill in the following table accordi
ng to the graphics adapters properties.


In case when an adapter is an extension of previous one, only write its new resolutions it provides while
in other blanks only write “yes”.


ADAPTER NAME


MODE


COLOR


NO OF BIT’s


LIMITATION


(only one for each)


TEXT


GRAPHICS


TEXT


GRAPHICS


Monochrome Adapter


Color Graphics Adapter


Multicolor Graphics Adapter


Extended Graphics Adapter


Enhanced Graphics Adapter


Note: Your explanation must justify enough for given marks for each part.