8/16/2019 jawapan-f4-ppt-2010

1/5

BAHAGIAN A

Question Answer Score

1   B   1

2  (i)   False   2

(ii)   True   3

3   (i)   Encryption   4(ii)   Decrypyion   5

4   D   6

5

(i)   B   7

(ii)   D   8

(iii)   C   9

(iv)     1!

6

(i)   "arallel "ort   11

(ii)   E$pansion %lot   12

(iii)   C"& %oc'et   13

(iv)   %lot   14

7(i)     15

(ii)   C   16

8(i)   True   17

(ii)   True   18

9   C   19

1!   C   2!

11   copyri*+t in,rin*e-ent   21

12   Byte   2213   B   23

14   E$ecutin*   24

15   B   25

16   False   26

17   True   27

18   .ey/or0 Bloc'in*   28

19   D   29

2!   8! B   3!

21   512 B   31

22   186   32

23(i)     33

(ii)     34

24   ptical   35

25   Flas+ e-ory   36

Jawapan PPT 2010 [ICT F4]

8/16/2019 jawapan-f4-ppt-2010

2/5

BAHAGIAN B26.

a. List two examples of computer threat is mentioned in the situation above?1.) Milicious code : Virus Attac ! "orm. (1m)2.) #acer. (1m)

b. $tate two thin%s that #a&i' can do to enhance the securit( of his data "hile accessin%the nternet. 

1) nstall antivirus soft"are2) nstall anti sp("are*) nstall or +se fire"all in his computer net"or s(stem,) +se cr(pto%raph(-) reate and +se pass"ord for an( important data file.

*Any two. 1 answ! " (1m)# ma$ " (2m)2/.

a omponent 0 contains the %ont!o& 'nt and a!tmt% an &o+% 'nt. $tate onefunction for each of the component.

ontrol +nit : ontrol all activities "ithin the computer s(stem. (1m)

 Arithmetic Lo%ic +nit :erforms t"o t(pes of operations: arithmetic and lo%ical. (1m)

  omponent 3 can be classified into t"o cate%ories. $tate the differences.

Cat+o!s Primary storage Secondary storge

,--!n%s Volatile 4on volatile

4on portable ortable 5eas( to brin%)

aster to access comparesecondar( stora%e in s(stem

$lo" to access compare primar(stora%e in s(stem

*Any two. 1 answ! " (1m)# ma$ " (2m)

27.a. 8ho has committed in computer crime? $tate the t(pe of computer crime.

9ulia. (1m)op(ri%ht infrin%ement. (1m)

b. $tate t"o reasons "h( "e need (ber La".1) inte%rit( and securit( information2) le%al status of online transactions*) privac( and confidentialit( of information,) intellectual propert( ri%hts-) securit( of %overnment data

*Any two. 1 answ! " (1m)# ma$ " (2m)

Jawapan PPT 2010 [ICT F4]

8/16/2019 jawapan-f4-ppt-2010

3/5

BAHAGIAN B2.

a. Mala(sian ;overnment has passed several c(ber la"s to control the internet abuse.our c(ber la" acts in Mala(sia are:

3i%ital $i%nature Act 1/ 5i)

 

8/16/2019 jawapan-f4-ppt-2010

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BAHAGIAN C*1.

• Inp't

o nput is an( data and instructions entered into the memor( of a computer. =here

are four t(pes of input "hich are: text> %raphics> audio and video.

• P!o%sso!  ! + entral rocessin% +nit ! Microprocessor 

o + is an electronic component on a computerBs motherboard that interprets andcarries out the basic instructions that operate the computer. Cxample: ntelentium> AM3> ;,.

• /'tp't

o Dutput is data that has been processed into a useful form> called information.

• to!a+

o $tora%e is a location in "hich data> instructions> and information are saved for

future use. Cxample: 3 EDM> disette> hard dis.

ma$ " (m)

*2

• Bt

A t (so!t -o! na!y +t) s t sma&&st 'nt o- ata t %omp't! %anp!o%ss. =he binar( s(stem is a number s(stem that has Fust t"o uni'ue di%its> @and 1 called bits. A bit is represented b( the numbers 1 and @. =hese numbersrepresent the binar( s(stem. =he( correspond to the states of on and off> trueand false> or (es and no.

• Byt

0(te is a unit of information built from bits. 8hen 7 bits are %rouped to%ether as aunit> the( form a b(te. 0its and b(tes are the basis for representin% all meanin%fulinformation and pro%rams on computers.

• Ca!a%t! 

Dne b(te is e'uals to 7 bits. Dne b(te !p!snts a sn+& %a!a%t!  such asthe number> letter> or s(mbol. or example> the capital letter is represented b(binar( code @1@@@11@ that can be understood b( the computer s(stem.

omputer os not 'n!stan &tt!s  or numbers or pictures or s(mbols.omputer uses a binar( s(stem to count as it onl( reco%ni&es t"o states that are@ and 1. 4umber 3  is represented b( binar( code 00111001. Ci%ht bits %roupedto%ether as a unit are called a yt. A b(te represents a sin%le character in thecomputer.

ma$ " (m)

Jawapan PPT 2010 [ICT F4]

8/16/2019 jawapan-f4-ppt-2010

5/5

BAHAGIAN C

33• P!ma!y to!a+

=here are t"o t(pes of primar( stora%e "hich are A5  and /5. EAM is anacron(m for EandomAccess Memor( "hich means the data and pro%ram inEAM can be read and "ritten. EDM is an acron(m for EeadDnl( Memor( "hich

means the data or pro%ram in EDM can Fust be read but cannot be "ritten at all.

• %ona!y to!a+

$econdar( stora%e is another alternative stora%e to eep (our "or anddocuments. t is ver( useful to sto! p!o+!ams an ata -o! -'t'! 's. t isinstalled externall(. t is nonvolatile> "hich means that it does not need po"er tomaintain the information stored in it. t "ill store the information until it is erased.$econdar( stora%e can be divided into three main t(pes:

• Ma%netic Medium

• Dptical Medium

• lash memor(

ma$ " (m)

Jawapan PPT 2010 [ICT F4]