CS101 Solved Short Questions Lectures 1-45

CS101ALLSHORTQUESTIONSSOLVED

WhatisCyberCrime?

Crimescommittedwiththeuseofcomputersorrelatingtocomputers,

especiallythroughtheInternet. Universally, CyberCrimeisunderstoodas "anunlawfulactwhereinthecomputeriseitheratooloratargetorboth". CyberCrimesaredifferentfromconventionalcrimesasincybercrimes; the crimeiscommittedinanelectronicmediumandheremensreaisnota requirementbutisratherageneralruleunderthepenalprovisionsofthe InformationTechnologyAct. TheelementofmensreainInternetcrimes is thattheoffendermusthavebeenawareatthetimeofcausingthe computer toperformthefunctionthattheaccessthusintendedtobesecuredwas unauthorized.

WhataretheclassificationofCyberCrime?

Tamperingwithcomputersourcedocuments:Hacking:Publishingof

information,whichisobsceneinelectronicformAccessingprotected systemBreachofconfidentialityandprivacy

WhatistheuseofcharAt(n)function?

CharAt(n)functionreturnsthecharacteratn+1locationinthestringon

whichthismethodisapplied. Forexample, LetNameisastringvariable thatcontainsvaluesaad, thenName. CharAt(3)willreturncharacterd.

TellmeaboutSplit(delimiter)string' sproperty?

Splintfunctionreturnsanarrayofstrings,createdbysplittingstring intosubstrings,atdelimiterboundaries.

Whatistheword"Plug-in"means?

Intheearly' 90s,the Internetreallystartedtotakeoffinpopularity,and the numberofWebsitesskyrocketed. Therewassuddenlyawidevarietyof aparticulartypeoffile,sotheycanaccomplishalotofthingsthata basicbrowsercan' t.

Canyoutellmewhenafunctioncallsitselfwhatisthiscalled?

Itiscalled"recursivecallofafunction".Whenfunctioniscalledwithin

itself,itiscalledrecursionorrecursivecall. Theabilityofaroutinetocall itselfiscalledrecursion. Recursionenablescertainalgorithmstobe implementedwithsmall,simpleroutines,butitdoesnotguaranteespeed or efficiency. Erroneoususeofrecursioncancauseaprogramtorunoutof stackspaceduringexecution,causingtheprogram,andsometimesthe entiresystem,tocrash.

Decribethewaysofcallingfunction?

Therearetwowaystocallafunction.1)Afunctioncallappearingasa

completestatement. Ithappenswherefunctiondoesn' treturnavalue.2) A functioncallappearingaspartofastatement. Definitionsofsuch functions includeareturnstatement. Ithappenswherefunctionreturnsavalue.

TellmeaboutOnFocusandOnBlur.

on Blur-formelementlosesfocusorwhenawindoworframelosesfocus.

2. on Focus-window,frame,framesetorformelementreceivesfocus. Infirstcase,eventwilloccurwhenelementwillloosethefocus. In secondcase,eventwilloccurwhenelementwillreceivefocus.

WhatistheuseofMsAcess?

MSAccessisaDataBaseManagementSystem(DBMS)by Microsoft.A

DBMSisasoftwarepackagebywhichyoucandevelopadatabase. You caninsert, deleteandupdatedataintothatdatabase. Youcandevelop reportsandformstoo. WhatareRobotics?

Automaticmachinesthatperformvarioustasksthatwerepreviously donebyhumans. Example:-Pilot-lesscombatairplanes-Land-mine huntersAutonomousvacuum-cleaners

HowcanIaddsoundeffectsinmypresentation?

Youselecttheobjectonwhichyouwanttohaveasoundeffectandthen

rightclickandyouwillseeanoption" ActionSettings", clickonitand thenselectasoundfromlistgiven.

TellmeaboutPowerPoint(PP), whichisthepartofMultimedia. Would youcompareitwithotherMultimedialikeflash?

PowerPoint(PP)isintendedtoproducedesktoppresentations(e.g., drivingaslideProjector)ortoproduceactualfilmslides(usingafilm recorder);itisNotatoolforWebpresentations. Ifyouhavealotof presentationsalreadyInPP,youmaybeforcedtotryitsHTMLexport features,mayhave problemswiththeresultingHTML(largefilesizes,lotsofgarbagetags, poorimagequality).Ifyou' refortunateenoughtobestartingfromscratch, you' rebettertostickwithatooldesignedandoptimizedspecificallyfor the Web. Flashisusedtopreparepresentations,games,animationssoit ismuchpowerfultoolthanMicrosoftPowerPoint.

Ihaveconfusionaboutopensourceandfirmware.

OpenSourceSoftwaresareavailablewiththeirsourcecode. Manyare

availableoninternet,forexample,veryfamousOperatingSystemLINUX isopensourcei.e.itssourceisavailable. Firmwareissoftware embeddedinthechips,forexample, ProgramsinBIOSetc.

Tellmeaboutinterface?

Interfaceisthepointofinteractionorcommunicationbetweena computerandanyotherentity,suchasaprinterorhumanoperator.

Whatis" Kernel"?Givemesomesuitableexample.