ICS Computer Science Important

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ICS COMPUTER SCIENCE

CHAPTER-1+2 PART -2 Important Question for ICS Computer Science Part-2

Chapter-01+ 02(Data Basics + Basic concepts and Terminoloies of Data!ases"Q-1: Chose the correct option. 1x14=14

1 The process of arranging data in a logical sequence is called.

Sorting Summarizing ata capturing classif!ing

" # collection of related fields is

$ile %ecord ata&ase 'one

( )*S stands for:

ata&ase

modeling

s!stem

ata&ase

*anagement

S!stem

ata &usiness

model s!stem

ata &usiness

*anagement

ser+ices

4 ,hich of the folloing is handled &! *S/

ata integrit! ata securit! ata

independence

#ll

0 The maor components of *S is called

ata&ase

manager

$ile manager ata manager #ll

2 SQ3 is a n5

6nstructured

language

Structured

language

7&ect

orientedprogramming

Softare

8 # stands for:

ata&ase

administrator

ata &asic

#dministration

ata&ase

#pplication

ata&ase authorit!

9 # primar! e! that consists of more than one attri&ute is called a:

$oreign e! Composite e! *ultimedia e! ;lo&al e!

< ,hich of the folloing descri&es the primar! e!/

t must &e

unique

t helps in

indexing of alarge data&ase

t maes

sorting quicer

#ll

1> #n attri&ute is also non as :

Ta&le %elation %o $ield

11 # relation is also non as:

Ta&le Tuple %elationship #ttri&ute

The Royal College & Computernstitute Feroza


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1" SQ3 is used for:

ata

definition

ata

manipulation

ata definition

and

manipulation

Searching records

1( #n index can &e used to:

mpro+e the

performance

of the

data&ase

ocument the

structure of the

data&ase itself

%educe data

dependence!

for application

program

#ll

14 # e! that is used strictl! for data retrie+al purposes:

Secondar! e! Candidate e! Composite e! )rimar! e!

Q-2: Write short answers any TEN, each question carry 2 marks. 2x10=20

i. e!ne ata"ase.ii. Who is #ata a#ministrator$iii. What you know a"out %orei&n key.i'. e!ne (an#i#ate key ) a*ternate key$'. What is +rimary key.'i. Write the names o% #ierent keys which use in #ata"ase,'ii. What is entity$ i'e an exam+*e.'iii. What is secon#ary key$ix. Write a#'anta&es o% /.x. e!ne consistency constraints$

xi. What is /$xii. escri"e ata mani+u*ation.xiii. e!ne ata +rocessin&.

Q-: Write #etai* answers o% the %o**owin& questions. 2x=13i. What is a key$ escri"e #ierent ty+es o% keys use# in #ata"ases.ii. What is /$ /rie4y #escri"e the a#'anta&es an# #isa#'anta&es o% /.

ICS Computer Science Chapter-3 part-2 BISE Important Question for ICS Computer Science Part-2

Chapter-0# (Data!ase Desin Process"

1. Data stored data single site is in ____________ databasemodel. In Centralized database system, all the data is stored ata single site.Design Centralized Partitionized Storage

2. In ERD model, the relationship beteen to entities is



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represented by a"

DiamondSymbol

Re#tang$larbo%

&'al symbol (ine

!. ) data model is

) logi#alrepresentation

o* the str$#t$reo* the database

Shon as anentity+

relationshipdiagram

rans*ormedinto tables and

relationship

)ll

-. )n Inde% may be #reated on"

Primary ey Se#ondaryey

/oreign ey )ll

0. hi#h o* the *olloing is $sed to asso#iate entities ith oneanotherEntity )ttrib$te Relationship Identi*ier

3. ) relationship #an be"

&ne to &ne &ne to many 4any to many )ll

5. In an E+R diagram, a re#tangle represents a 6n7

Entity )ttrib$te Relationship 8one

9. hi#h o* the *olloing are basi# data distrib$tion strategiesCentralized Partitioned Repli#ation )ll

:. hi#h o* the *olloing represent the entities

ea#her St$dent Prin#ipal )ll

1;. ) te#hni

12. hi#h o* the *olloing is an e%ample o* one to onerelationship4other+da$ghter

>i?e+Re#ord St$dent+Reg8o

Client+phone+no

1!. ) relationship beteen #o$ntries and #apitals is an e%ample o* ___________ relationship.&ne to many &ne to &ne 4any to many 4any to

one1-. ____________ are the basis o* $sage paterns o* the database.

Data 'ol$me and =sage analysis are $sed to estimate the sizeor 'ol$me and the $sage patterns o* the database.De#isionables

8ormalizeRelations

=sage )nalysis

(ogi#alDesign

Q-"" rite short ansers any E8, ea#h


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'iii. hy is re


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:. hi#h o* the *olloing anomalies res$lt *rom a transiti'edependen#yInsertion 4o*i*i#atin Deletion )ll

1;. ) relation that #ontains minimal red$nden#y and allos easy$se is #alled"

Clean Simple Comple% ellStr$#t$red

11.

hen all the non ?ey attrib$tes are *$lly dependent onprimary ?ey then the state is ?non as ____________ .EntityIntegrity

/o$rth8ormal /orm

Se#ond8ormal /orm

/$n#tionalDependen#y

12. ) relation R #an be in ____________ i* all $nderlyingdomains #ontains atomi# 'al$es. /o$rth8ormal/orm

/irst 8ormal/orm

Re*erentialIntegrity

Consistent8ormal /orm

1!. ____________ m$st re*er to the P in another table or itm$st be n$ll.

Red$ndantIn*ormation

Simple Datastr$#t$re

ransiti'edependen#y

Re*rentialIntegrity

1-. hi#h o* the *olloing states that no attrib$te o* a primary?ey sho$ld #ontain n$ll 'al$eRed$ndantIn*ormation

ransiti'edependen#y

Data Se#$rity EntityIntegrity



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Q-2: Write short answers any TEN, each question carry 2 marks. 2x10=20

i. Write the names o% three ty+ica* +ro"*em in mer&in& re*ations.

ii. (om+are norma* %orm an# norma*i5ation.

iii. escri"e transiti'e #e+en#ency.

i'. ierentiate "etween +artia* #e+en#ency an# transiti'e #e+en#ency.'. What is +artia* #e+en#ency$

'i. What are the #ata"ase anoma*ies$

'ii. escri"e re+eatin& &rou+.

'iii. e!ne %unctiona* #e+en#ency.

ix. e!ne Norma*i5ation.

x. e!ne mutua* exc*usi'eness o% #ata.

xi. e!ne the term o% re#un#ancy.

xii. What is meant "y entity inte&rity$

xiii. e!ne re%erentia* inte&rity.

xi'. 6ow is entity inte&rity attaine#.

Q-: Write #etai* answers o% the %o**owin& questions. 2x=13

What is %unctiona* #e+en#ency$ Ex+*ain with exam+*e.

. 7++*y !rst norma* %orm on this ta"*e.

e+t8No e+t8Nam

e

Em+8no Em+8Nam

e

20 tichin& 01

02

9a'i#

/i*a*

0 inance 10

11

7*i

7"#a*

10 ana&eme

nt

12

1

;han

7si%

ICS Computer Science Chapter-5 part-2 BISEImportant Question for ICS Computer Science Part-2$ Important notes for ICS computer Science fo

all Boards and %ederal Board&

Chapter-0(Introduction to ,icrosoft ccess"

1 hi#h o* the *olloing is the #orre#t asso#iation

/ile @ #ol$mn Re#ord @ ro /ield @ro

Re#or d @table

2 ) #olle#tion o* data that #onsists o* name, address andemail o* a person is #alled"



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>yte Re#ord Chara#ter

/ield

! he smallest meaning*$l $nit o* data in a database is #alled"

>yte Re#ord Chara#ter

/ield

- Ea#h separate pie#e o* in*ormation stored in a re#ord is#alled a"/orm /ield able Cell

0 ) report may be based on a

able B$ery >oth aand b

8one

3 ) database may #ontain"

&nly one table )t most to tables )t mostthreetables

8one

5 he #oml$mn o* a table #orresponded to"

able Re#ord /ield Cell

9 ) database #onsists o* 'ario$s #omponents #alled"

ools Properties Entities &bAe#ts

: he o$tp$t o* the othre#ordsand*ields

8oneo*these

12 hi#h o* the *olloing is 8& a database obAe#t"

able B$ery Report 4Sord

1! hi#h o* the *olloing are obAe#ts in an 4S )##essdatabase"able, *orms,


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)##ess template

>lan? database E%istingdatabase

8e*older



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he graphi#al


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.hat is lin?ing o #an an obAe#t *rom other database be lin?ed in 4S )##ess.

E%plain the pro#ed$re o* #reating a s$b*orm $sing s$b*orm izard.

hat is #onditional *ormatting E%plain ith e%ample.

hat is *orm E%plain its $ses and ad'antages.

Dis#$ss di**erent options *or editing *orms in 4S )##ess.

ICS Computer Science Chapter-0#($ettin% Starte &ith C" part-2

mportant Question for ICS Computer Science Part-2$ Important notes for ICS computer Science for all Boards and

%ederal Board&

Chapter-0(ettin Started 3ith C"

1 C lang$age as de'eloped in the year"

1:3:+5; 1:30+50 1:52+99 1:00+05

C as de'eloped byNNNNNNN.."

on+8e$mann

Dr. )bd$lSlam

Charles>abbage

DenisRit#hie

C lang$age is a

igh le'ellang$age

(o le'ellang$age

)ssemblylang$age

4a#hinelang$age

hi#h o* the *olloing lang$age pro'ided the basis *or thede'elopment o* C

> COO )) P)SC)(

)n IDE stands *or"

Integratedde'elopmentEn'ironment

Inp$t dataerror

Inp$t Dataen'ironment

Internal Dis?error

hat does the H sign indi#ate in an instr$#tion o* Clang$age

Instr$#tion*or $ser

Instr$#tion *or lin?er

Instr$#tion *or #ompiler

Instr$#tion*orprogrammer

Comp$ter programs are also ?non as"

So*tare Pro#ed$re ardare )lgorithm

hi#h one o* the *olloing translates so$r#e #ode to obAe#t#ode as a hole



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Interpreter Compiler Deb$gger (in?er

hi#h o* the *olloing lang$age is ideal to rite b$sinessappli#ation

C&>&( >)SIC )ssemblylang$age

8one

)n assembly lang$age $ses"

Englishords

4nemoni##odes

>inary digit 8one

11 ) programQs synta% errors is dete#ted by"

Compiler (in?er (oader Deb$gger

12 ) set o* r$les that m$st be *olloed to de'elop a program is#alled"

Synta% Prepro#essor >$g Deb$g

1! SDI& stands *or"

Standardinp$t o$tp$t

Symboli#inp$t o$tp$t

Simple inp$to$tp$t

String inp$to$tp$t

1- he e%tension o* &bAe#t *ile is"

.# .t%t .obA .h



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G V O U

Data type int #ontains types"

1; - 2 13

hi#h is the name *or a ord that has a spe#i*i# meaning in

Ceyords Comments o?en &perators

o add a 'al$e 1 to 'ariable y, yo$ rite"

y O @1W y @ yO 1W y @1 O yW )ll

he e%pression ;V- has a 'al$e e


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he general *orm o* *ormat spe#i*ier *or the *loating point'al$e"

Vm.n* m.nV mV.n* m.nV*

hi#h o* the *olloing is 8& legal element o* #ontrol stringin print* statementK

&rdinary#hara#ters

Es#apese 8one

11 he *ormat spe#i*ier V$ is $sed *or"

Integer =nsignedshort

=nsigned *loat=nsignedlong int

12 hi#h o* the *olloing is an inp$t *$n#tion"

s#an* print* s


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Q-"" rite short ansers any E8, ea#h QW

ord!@ YCQW

Print*6JV# V# ord!K, ord1, ord27W

i'. rite a C statement to print the 'al$e o* $nsigned long y.

'. (ist o$t the names o* di**erent *$n#tions $sed *or #hara#ter inp$t.

'i. E%plain J#ls#rK.

'ii. E%plain Jget#hK.

'iii. (ist o$t di**erent types o* *ormat spe#i*iers.

i%. hi#h symbol is $sed to start *ormat spe#i*iers

%. (ist some important *$n#tions *or inp$t.

%i. De*ine standard inp$t.

%ii. hat is #ontrol string in print* *$n#tions

%iii. State the p$rpose o* Vd *ormat spe#i*ier.

B+!" rite detail ansers any 2 *rom the *olloing


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Conditional operator taes(

/#ree

operands

/"o

operands

ne

operandsone

/#e case loc ends "it#(

nd Select nd Case rea* elseIn if statement, true is represented (

0 1 2 3

#ic# of t#e follo"in$ statements is t#e simplest

form of a decision structure%

Select4.caseIfstatement

/r4 catc#4finall

ested if

#en a relational expression is false,it #as t#e

+alue 444 .

5ero ne 6ess t#an 0 one

#ic# pro$rammin$ structure executes pro$ramstatements in order%

7elation 8ecision Se9uence 7epetition

:not#er term for a computer main$ a decision is(

Se9uential Selection 7epetition Iteration

11 7elational operators allo" ou to 44 numers.

Compare :dd ;ultipl 8i+ide

12 #ic# of t#e follo"in$ is e9ualent to

9 ?

9 p&9 ?p>9

13#ic# of t#e follo"in$ are +alid case statements ina s"itc#%

case 1( case x>@( case Aa* case 1.!(

1@ In statement, false is represented (

0 1 2 3



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Q-2( rite s#ort ans"ers an /, eac# 9uestion carr 2 mars. 2x10=20

i. 8efine control structure.

ii. rite t#e names of control structure.

iii. 8escrie tpes of selection strure.

i+. 8ra" t#e flo" c#ar of if statement.

+. #ic# is t#e asic control structures for "ritin$ a pro$ram%+i. #at is output of t#e follo"in$ code%

f

printf


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*or 6int %@;W % 1;W %OO7

1; : ; 1

hat is the 'al$e o* a a*ter e%e#$tion o* the *olloing

#ode

Int a @ 20W

*or 6int # @;W #-W #OO7

a @ a +1W

a @ a O!W

2! 2- 20 2;

he body o* hile loop ith m$ltiple statements ends

ith"

Right

bra#?etF

Right

bra#esTComma,

Semi

#olonW

hi#h is a loop statement

i* i*+else sit#h 8one

Semi#olon is pla#ed at the end o* #ondition in"

hile loop Do+hileloop

/or loop )ll

hile loop is also #alled"

Conditional

loop

end

loopCo$nter loop 8one

his means to in#rease a 'al$e by one"

4od$l$s In#rement De#rement 8one

his statement may be $sed to stop a loopQs #$rrentiteration and begin ne%t oneW

Contin$e >rea? erminate 8one

) *or statement #ontains three e%pressions"

initialization , test, __________ .



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8$ll alidationIn#rement]de#remen

t8one

) spe#ial 'al$e that mar?s the end o* a list o* inp$t data

is #alled"

erminal

'al$e

Sentinel

'al$e(oop #ontrol 'al$e

Inp$t

'al$e

11 &ne e%e#$tion o* a loop is ?non as a 6n7.

Cy#le D$ration Iteration est

12 o many types o* loop are a'ailable in # lang$age

2 ! - 0

1! hile loop str$#t$re alays e%e#$tes at least on#e

Do+hile /or hile 8one

1-hi#h o* the *olloing loop is #alled #o$nter #ontrol

loop

/or hile Do hile 8one



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B+2" rite short ansers

De*ine loop.

. rite to ad'antages o* loop.

i. De*ine JhileK loop.

'. De*ine do+hile loop.'. Des#ribe the synta% o* do+hile loop ith e%ample.

'i. Des#ribe the synta% o* J*orK loop.

'ii. hat is J*orK loop.

'iii. hat is #o$nter #ontrolled loop

%. hat is sentinel #ontrolled loop.

%. De*ine sentinel 'al$e.

%i. Des#ribe nested loop.

%ii. De*ine in*inite loop.

%iii. o many times ill the *olloing loop display J&RI)( )C)DE4^K.

or 6int i @2;W i ;W iOO7

print*6J)?ram >hattiK7W

B+!" rite detail ansers

rite a program that $ses a hile loop to enter a n$mber *rom the $ser and then display it. he loop is

erminated hen the $ser enters +1.

E%plain J*orK loop E%plain its or?ing.

ICS Computer Science part-2 Chapter-*3 Functions in CImportant Question for ICS Computer Science Part-2, Important notes for ICS computer Science for all

Intermediate Boards.

Chapter-1#(%unctions in C"

1 ) type o* *$n#tions ritten by the programmer is ?non as"

=serde*ined

S$bprograms S$b *$n#tions>$ilt in*$n#tions

(o#al 'ariables are also #alled"

)$tomati# 8ormal lobal 8one

) 'ariable de#laration o$tside any *$n#tion is ?non as"

lobal (o#al 'ariable E%ternal Stati#



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'ariable 'ariable

he s#ope o* a 'ariable re*ers to its"

(ength 8ame )##essibility Data type

he parameters in *$n#tion de#laration are #alled"

/ormalparameters

)#t$alparameters

>oth ) and > 8one

hat is the 'ariable name that is $sed by a *$n#tion to re#ei'epassed 'al$es

/$n#tion Parameter E%pression Constant

he *irst line o* *$n#tion de*inition is ?non as"

/$n#tionheader

/$n#tiono$tp$t

In'o?ing a*$n#tion

8one

he pro#ess o* sending an arg$ment to a *$n#tion is #alled"

Sending /iltering Deli'ering PassingIn a C program, to *$n#tions #an ha'e"

Same nameSameparameters

Same nameand sameparameters

Same nameb$t di**erentparameters

/$n#tion de#laration #onsists o*"

/$n#tionname

/$n#tionret$rn type

8$mber andtypes o*parameters

)ll

11 ) b$ilt in *$n#tion"

CanQt berede*ine

Can berede*ine

CanQt be ret$rna 'al$e

Can be ret$rna 'al$e

12 he name o* a#t$al and *ormal parameters"

4ay or maynot be same

4$st be same4$st bedi**erent

4$st be inloer #ase

1! 4emory is allo#ated to a lo#al 'ariable at the time o* its"

De#laration Destr$#tion De*inition/irstre*eren#e

1- lobal 'ariables are #reated in"

R)4 R&4 ard Dis? Ca#he

Q-"" rite short ansers

i.

De*ine global 'ariable.



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ii.

Compare lo#al and global 'ariable.

iii.

De*ine lo#al 'ariable.

i'.

State the $se o* *ormal parameters.

'.

o does a *$n#tion ret$rn 'al$e

'i. o does a *$n#tion ret$rn 'al$e

'ii. hat is *$n#tion #all

'iii. hat is *$n#tion de*inition

i%. De*ine *$n#tion body.

%. De*ine *$n#tion header.

%i.

Des#ribe b$ilt in *$n#tion.

%ii.

o does a *$n#tion ma?e programming easier

B+!" rite detail ansers

>rie*ly e%plain the bene*its o* $sing *$n#tions.

rite a program that inp$ts a n$mber in main *$n#tion and passes the n$mber to a *$n#tion. he

$n#tion displays table o* that n$mber.

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