Stuvia CAT theory notes grade 12 pdf
As a matriculant of 2023 i find this document useful and i hope you will too. I DON'T BELEIVE IN GATE KEEPING useful information. CAT NOTES.THEORY NOTES CAT.STUDY OPPURTUNITIES.FUNWORKS.IEB.NSC CAT.COMPUTER APPLICATONS TECHNOLOGY.COMPUTER APPLICATONS TECHNOLOGY...
Blockchainisadigi
tall
edgerwheretr
ansact
ionsarerecordedinaser
iesofbl
ocks,whi
chare
l
inkedtogetherchronol
ogical
l
y,f
ormingachain.Eachblockcontai
nsacrypt
ographi
chashof
thepreviousbl
ock,ensuri
ngtheint
egri
tyandimmut abi
li
tyofthedat
a.
Pr
os:
1.TransparencyandSecur
ity
:Bl ockchainoff
erst
ransparencyasallpar
ti
cipantshaveaccessto
thesamei nformati
on,
promotingt r
ustandaccountabil
i
ty.Theuseofcryptographi
ctechniques
makesi tdi
ffi
cultf
orunaut
horizedpar t
iestotamperwit
ht hedata.
2.Decentr
ali
zat
ion:
Itoper
atesonadecentrali
zednetwork,r
educi
ngthedependencyonasi
ngl
e
author
it
y,andenabl
ingpeer
-to-
peert
ransacti
onswithoutint
ermedi
ari
es.
3.Effi
ci
encyandSpeed:Bl
ockchai
ncanstr
eamli
neprocessesbyremovingtheneedformanual
reconci
li
ati
onandi
ntermedi
ari
es,r
esul
ti
nginf
astert
ransacti
onsandreducedcosts.
4.Tr
aceabi
l
ity
:Ital
lowsfort
racki
ngandveri
fyi
ngt heori
ginandmov
ementofasset
s,maki
ngi
t
usef
uli
nsupplychainmanagementandprovenancetracki
ng.
Cons:
1.Scal
abil
i
ty:
Bl ockchainnet
wor ksmayf acechal
l
engesi
nhandl
i
nghi
ght
ransact
ionv
olumes,
l
eadingtopotenti
aldelaysorincreasedcosts.
2.Ener
gyConsumpti
on:Cert
ainblockchai
nnetwor
ks,
li
keBitcoi
n,canbeener
gy-
int
ensi
vedue
tothecomput
ati
onalpowerrequi
redformini
ngnewblocks.
3.Regulat
oryUncer
tai
nty
:Thelegal
andregulatoryf
rameworksurr
oundi
ngbl
ockchai
n
technol
ogyissti
l
levol
vi
ng,cr
eati
nguncert
aintyincert
ainj
uri
sdi
cti
ons.
4.Priv
acyConcerns:
Althoughbl
ockchainpr
ovidespr
ivacythr
oughpseudony
ms,
somewor
ry
thatcert
aini
nfor
mationcouldbeexposedorli
nkedtoindi
vi
dualsov
ertime.
Exampl
es:
1.Bi
tcoi
n:Thef
ir
standmostwel
l
-knownexampl
e,Bi
tcoi
nut
il
izesbl
ockchai
ntechnol
ogyast
he
2.Et
hereum:Anopen-sourcebl
ockchai
nplat
for
mthatenabl
esdev
eloper
stobui
l
ddecent
ral
i
zed
appl
icat
ions(
dApps)usingsmartcontr
act
s.
3.SupplyChai
nManagement:
Blockchai
nisbei
ngusedinindust
ri
essuchasfoodand
pharmaceuti
cal
stot
rackandver
if
yt heaut
hent
ici
tyandqual
it
yofproduct
sthr
oughoutt
he
supplychai
n.
4.Voti
ngSy st
ems:Somecountri
esar
eexpl
ori
ngtheuseofblockchai
ntoenhancet
he
tr
ansparency,
secur
it
y,andi
ntegr
it
yofel
ect
oralpr
ocesses.
I
t'
simport
anttonotethatbl
ockchai
ntechnologyhasvar
iousimpl
ement
ati
onsandcanbeused
i
ndif
fer
entcontext
s,eachwithi
tsownadv antagesandl
imit
ati
ons.
Anadd-onref
erstoasoftwareextensi
onorfeat
urethatenhancesthefunct
ionali
tyofan
exi
sti
ngappli
cati
onorprogram.Itprovi
desaddi
ti
onalcapabil
i
tiesorcust
omi zat
ionopti
onst
o
i
mproveuserexperi
enceandproduct i
vi
ty.
Pr
os:
1.EnhancedFunct
ional
i
ty:
Add-onsexpandthecapabil
i
tiesofexist
ingsof
twarebyaddi
ngnew
feat
ures,t
ools,
orf
uncti
onali
ti
es,
all
owinguserst
ot ai
l
ort hei
rexperi
enceaccor
dingt
othei
r
speci
ficneeds.
2.Cust
omizat
ion:Userscanper
sonal
izet
hei
rsoft
war
ebychoosi
ngandinst
alli
ngadd-
onst
hat
al
ignwit
hthei
rprefer
ences,maki
ngtheappl
i
cati
onmorev
ersat
il
eandadaptable.
3.I
ncreasedPr
oducti
vit
y:Add-
onscanautomaterepet
it
ivetasks,
simpl
if
ycompl
expr
ocesses,
orpr
ov i
deshor
tcut
s,resul
ti
ngini
mprovedeff
ici
encyandtimesav i
ngs.
1.Compati
bil
i
tyIssues:Someadd-onsmaynotbecompat i
blewi
thal
lver
sionsorpl
atf
ormsof
thesof
twar
e,leadi
ngt opot
ent
ialconf
li
cts,
gli
tches,
orcr
ashes.
2.Securi
tyRisks:
Cer
tai
nadd-
onsmayposesecuri
tyvul
nerabil
i
tiesi
fnotpr
oper
lyv
ett
ed,
potent
ial
lycompromi
singt
heint
egr
it
yandpr
ivacyofuserdata.
3.Per
for
manceImpact
:Resour
ce-
int
ensi
veadd-onscanconsumesy
stem r
esour
ces,
slowi
ng
downtheov
eral
lper
for
manceofthesoft
ware.
4.DependenceonThi rdPar
ti
es:Rel
i
anceonthir
d-part
ydevel
opersf
orupdatesandsupportmay
i
ntroduceinconsi
stenci
esordi
sconti
nuat
ionofadd-ons,
impact
ingusabi
l
ityandlong-
ter
m
compat i
bil
i
ty.
Exampl
es:
1.BrowserExtensi
ons:Add-onsli
keadblocker
s,passwordmanagers,
orproduct
ivi
tytool
s,
enhancewebbr owsingexperi
encesbyextendi
ngthefuncti
onal
i
tyofpopul
arbrowsersli
ke
Chrome,Fir
efox,orSafar
i.
2.PhotoshopFilt
ers:
AdobePhotoshopal
l
owsuser stoinstal
lvar
iousadd-
onssuchasf
il
ter
s,
brushes,oract
ionstoenhancei
mageedit
ingcapabil
i
ties.
4.EmailPlugi
ns:
Add-
onsforemailcl
i
ent
slikeMi
crosof
tOutl
ookorGmail
off
eraddi
ti
onal
feat
uressuchasemai
ltr
acking,
taskmanagement
,oremail
templat
est
oimprovepr
oduct
ivi
ty
andeffi
ciency
.
Iti
simportantt
oconsi
dert
hecredibi
l
ity,
reli
abi
l
ity
,andcompat
ibi
li
tyofadd-
onsbefore
i
nstal
lati
ontoensuret
heymeetyourrequir
ementsanddonotcompromisethesecur
it
yor
stabi
l
ityofthesof
twar
e.
Sy
nci
ng,
shor
tforsy
nchr
oni
zat
ion,
ref
erst
othepr
ocessofhar
moni
zi
ngoral
i
gni
ngdat
a
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