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    UNIT 27

    Overview of Computer System

    1. A _____________is defined as combination of components designed to process data andstore files.

    2. A computer system requires four main aspects of data handling to function properly hich areinput de!ices" processor" ___________" and storage de!ices.

    #. The $%U is an e&ample of a___________. It has the same importance as the brain to humanbeings.

    '. Input de!ices feed ___________ to be processed into useful information.

    (. )eyboard and mouse are e&amples of __________ de!ices.

    *. __________ de!ices include monitors" printers" plotters" and spea+ers.

    7. ,torage consists of primary and __________ storage.

    -. $ /0 is an e&ample of a ___________ storage de!ice.

    . ____________ refers to the person ho uses the computer for any purposes such as foror+"business and entertainment.

    13. A computer system requires___________" soft are" and a user to fully function.

    11. ___________refers to a set of instruction that tells the hard are hat to do.

    12. ___________controls" integrates" and manages the indi!idual hard are components of acomputer system.

    1#. There are t o types of computer soft are" ___________and___________.

    1'. _____________ is an e&ample of system soft are.

    1(. ,preadsheet is an e&ample of an_______________.

    1. A user refers to a person ho uses acomputer for the purpose of

    ___________.I. playing gamesII. communication

    III. doing home or+I4. business ad!ertisementA. I" II" and III5. I" II" and I4$. II" III" and I4

    ICT WORKSHEET, FORM 4

    NO TRUE FALSE1234

    1

    SCORE

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    . I" II" III" and I4

    2. ,torage de!ices include __________.I. +eyboardII. 4 dri!esIII. hard dri!esI4. floppy dis+ dri!esA. I" II" and III

    5. I" II" and I4$. II" III" and I4. I" II" III" and I4

    #. 0utput de!ices ____________________.A. are used for data storage5. act as the brain of the computer$. sho s people the processed data orinformation

    . accept data or commands in a form that

    the computer can use'. $entral processing unit 6$%U ____________.A. e&ecutes computer instructions5. sho people the processed data

    $. hold data and programme temporarily. send the data or commands to the

    processing unit

    (. __________ is a set of programs thatlies bet een applications soft are and thecomputerhard are.

    A. 5I0, program5. Utility program$. 0perating system

    . 0perating en!ironment

    *. 8&amples of application soft are include _______________.A. ord processing" spreadsheets anddatabases5. accounting" games and programminglanguage

    $. Internet bro ser" des+top publishing"and 5I0, program. ord processing" accounting and

    programming languages

    ICT WORKSHEET, FORM 42

    SCORE

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    LESSON 28I tro!u"tio to Computer System

    1. ouse" +eyboard" and barcode reader are e&amples of _____________________de!ices.

    2. %rinter" monitor and spea+er are e&amples of __________________ de!ices.

    #. 8&ternal hard are de!ices are also +no n as _________________ equipment.

    '. $ /ecordable and 4 /ecordable are ________________ discs.

    (. An e&ample of a magnetic disc is a _________________.

    *. ,tate hether the statement is T/U8 or 9A:,8.The primary storage of a computer holds data temporarily.

    7. ,tate hether statement is T/U8 or 9A:,8.The central processing unit is di!ided into t o components; the $U and the A:U.

    -.

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    $. soft are. information

    2. Te&t" audio and graphic is entered intothe computer using _______.A. a $%U5. peripherals$. input de!ices

    . output de!ices

    #. 5ar code reader and >oystic+ aree&amples of ___________.A. a $%U5. peripherals$. input de!ices

    . output de!ices

    '. The _________ is the centre of acti!ityin the computer.

    A. /A5. processor$. input de!ice

    . output de!ice

    (. The processor is also +no n as the ____A. $%U5. /A$. input de!ices

    . output de!ices

    *. A $%U comprises of $U and _________.A. A:U5. processor$. input de!ices

    . output de!ices

    7.

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    LESSON 2# I form$tio %ro"essi & Cy"'e

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 The information processing cycle includes the follo ing processes;

    input" processing" output" and storage.

    2 The $entral processing unit or the $%U is the brain of the computer.

    3 The $%U utilises the computer memory to e&ecute instructions fromthe user such as editing a letter" dra ing a picture and sortingnumbers.

    4 The processor must be connected only to input de!ices and outputde!ices to carry out its functions.

    ) ata can be entered into the system by typing on a +eyboard orpointing some commands ith a mouse.

    * 8&ecuting refers to the instruction or data item gathered from thememory in the information processing cycle.

    + ecoding refers the process of translating a program instruction intosignals that the computer can e&ecute.

    8 A storage de!ice is the computer hard are that records or retrie!esitems to and from the storage media.

    # A storage medium is the physical material in the computer that +eepsdata" instruction and information.

    1, The e&amples of storage media are floppy dis+s" U,5 flash dri!es andmonitor.

    5

    SCORE

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    1. Information can be in the form of ___________.A. te&t and audio5. te&t and graphic$. te&t" graphic and audio

    . te&t" graphic" audio and !ideo

    2. Te&t consists of characters that are used to create _______ _ and ___________.A. ord" music5. ord" sentence$. sentence" sound

    . paragraph" image

    #. @raphics are digital representations that consist of ________ and __________.A. chart" ord5. chart" dra ing$. dra ing" music

    . photograph" speech

    '. usic" speech" or any other sounds are e&amples of ___________ information.A. te&t5. !ideo$. audio

    . graphic

    (.

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    LESSON 3,-$t$ Represe t$tio

    1. ost computers can recognise only t o discrete states that are ____________.

    2. The computer circuit represents the 3 or the 1 electronically by the presence or absence of an _________.

    #. A computer does not understand ___________.

    '. A computer can process larger chun+s of information by treating group of bits as _________.

    (. A collection of - bits is called a __________.

    *. The term bitB stands for ____________.

    7. Number # is represented by the binary code as___________.

    -. A byte represents a single ____________ in the computer.

    . A bit is the smallest unit of information. True or 9alse= _________

    13. The Unicode can recognise A,$II characters. True or 9alse= _________

    11. The term A,$IIB is an acronym for ____________.

    12. The term 85$ I$B is an acronym for ____________.

    1.

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    LESSON 31 I tro!u"tio to .i $ry Co!i &

    1.

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    LESSON 32 -$t$ (e$sureme t

    ICT WORKSHEET, FORM 49

    SCORE

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    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 5its are composed of threes and Geros.

    2 All files in the computer are +ept as decimal files and aretranslated by the soft are.

    3 binary digit is the basic and the smallest unit used in computerdata storage.

    4 A megabyte 6 5 is equal to 1 million bytes.

    ) A computer uses a binary system to count as it only recogniGest o states that are 3 and 1.

    10

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    1. 1 Terabyte 6T5 equals to _____ bytes.A. 2 #3 bytes5. 2 13 bytes$. 2 '3 bytes

    . 2 23 bytes

    2.

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    1. A 1.- @?G processor has t ice the cloc+speed of a _______ ?G processor.A. 3.5. 33$. 1 33

    . 3"333

    2. 1333 ?G is equi!alent to __________.A. 1.3 ?G5. 3.1 ?G$. 1.3 @?G

    . 3.1 @?G

    #. @iga is a prefi& that stands for _______.A. billion5. trillion$. million

    . thousands

    '. 5elo are the features of egahertG.

    I. 1333 ?G H 3.1 @?GII. 0ne ?G represents one million cyclesper second.

    III. The speed of buses and interfaces arealso measured in ?G.I4. A one megahertG cloc+ 61 ?G meanssome number of bits 61*" #2" *'" etc. aremanipulated one million times per second.

    A. I" II and III5. I" III and I4$. II" III and I4

    . All of the abo!e

    LESSON 34 I put -evi"es

    ICT WORKSHEET, FORM 412

    SCORE

    . thousands

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    A. I" II" III5. I" III" I4$. II" III" I4

    . All of the abo!e

    2. ,hamala is an IT teacher. ,he is presentinga lesson using multimedia teaching aids.:ist the output de!ices needed.I. ouseII. ,pea+ersIII. )eyboardI4. :$ %ro>ectorA. I and II5. I and III

    $. II and III. II and I4

    LESSON 3*(ot er o$r!

    1. The interface or point of attachment" to thesystem unit is called a an__________A. port5. /A slot$. connector

    . e&pansion slot

    2. The ______ here the computer memory isplaced into on the computer motherboard.A. ports5. /A slot$. motherboard

    . e&pansion slot

    #. ,ome computer and chip manufacturers usethe term _____to refer to a personal computerprocessor chip.A. separate chips5. microprocessor$. macro processor

    . super computers

    '. A port is the point hich a de!ice attachesto the system unit so that the de!icecan______A. be used as a peripheral de!ice5. be attached to the motherboard$. send data to or recei!ed information fromthe computer

    . send electricity through the circuits of theport and connectors

    (.______is the soc+et on the motherboard thatcan hold an adapter card.A. A ports5. A $%U$. A /A slot

    . An e&pansion slot

    *. A ______is used to >oin a cable to a de!ice.A. ports5. /A slot$. connector

    . e&pansion slot

    7. 8&ternal de!ices such as a +eyboard"monitor" printer and mouse" are often attachedby a cable to the__________A. system unit5. system configuration$. ports and connectors

    . central processing unit

    -. 8&pansion slot is a place to fit a an ________ containing the circuitry that pro!idessome specialiGed capability" such as !ideoacceleration" sound or dis+ dri!e control.A. port5. /A$. e&pansion card

    . $entral %rocessing Unit

    . The processor is also called the ________A. /A slot5. motherboard

    $. e&pansion card. central processing unit

    ICT WORKSHEET, FORM 414

    SCORE

    SCORESCORE

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    13. The $entral %rocessing Unit 6$%U controlsthe operation of the computer. It_______.A. connects the cable to the ports5. carries out the basic hard are function$. interprets and carries out the basicinstructions that operate a computer

    . is the soc+et" here the circuit boards orthe adapter cards can be inserted into themotherboard

    LESSON 3+Compo e ts of $ (ot er o$r!

    1.There are the soc+ets" here the circuit boards or the adapter cards can be inserted into themotherboard.

    ICT WORKSHEET, FORM 415

    1.________________________

    2.________________________

    3.________________________

    4.________________________

    5.________________________

    SCORE

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    _________________________

    2. The point at hich a de!ice attaches to a system unit so that the de!ice can send data to orrecei!e information from the computer.

    __________________________

    #. The slot here the computer memory is placed into on the computer motherboard.

    __________________________

    '. It is used to >oin a cable to a de!ice.

    ___________________________

    (. A circuit board plugged into an e&pansion slot.

    ___________________________

    *. It interprets and carries out the basic instructions that operate a computer.

    ___________________________

    1. The processor is also called the .A. /A slot5. motherboard$. e&pansion card

    . $entral %rocessing Unit

    2.______is the soc+et on the motherboard thatcan hold an adapter card.A. A port5. A $%U$. A /A slot

    . An e&pansion slot

    #. The interface or point of attachment" to thesystem unit is called a an ______A. port5. /A slot$. connector

    . e&pansion slot

    '. The _____ here the computer memory isplaced into on the computer motherboard.A. ports5. /A slot$. motherboard

    . e&pansion card

    (. A An ____is used to >oin a cable to a de!ice.A. port5. /A slot$. $onnector

    . e&pansion slot

    *. The $entral %rocessing Unit 6$%U controlsthe operation of the computer. It_______.A. connects the cable to the ports5. carries out the basic hard are functions$. interprets and carries out the basicinstructions that operate a computer

    . is the soc+et" here the circuit boards orthe adapter cards can be inserted into themotherboard

    7. 8&pansion slot is a place to fit a an _____containing the circuitry that pro!ides somespecialised capability" such as !ideoacceleration" sound or dis+ dri!e control.A. port5. /A$. e&pansion card

    . $entral %rocessing Unit

    LESSON 38%orts $ ! Co e"tors

    a. It is used to connect a de!ice to the system unit by transmitting data one bit at a time.

    ______________________

    ICT WORKSHEET, FORM 416

    SCORE

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    1. 0ne function of storage is to storeprogram and data for later use.A. T/U85. 9A:,8

    2. ,torage has t o types; primary storageand secondary storage.A. T/U85. 9A:,8

    #. %rimary storage is stored e&ternally.A. T/U85. 9A:,8

    '. ,torage can also store computerprogram and information.A. T/U85. 9A:,8

    (. Access time for primary storage islonger than secondary storage.A. T/U85. 9A:,8

    *. A computer cannot operate ithoutsecondary storage.A. T/U8

    5. 9A:,8

    7. /0 and ?ard dis+ are e&amples ofsecondary storage.A. T/U85. 9A:,8

    -. %rimary storage is a must for e!erycomputer.A. T/U8

    5. 9A:,8

    . ?ard dis+s" thumb dri!es" floppy dis+sare secondary storage.A. T/U85. 9A:,8

    13. ,econdary storage can store a largecapacity of data compared to primarystorage.A. T/U85. 9A:,8

    11. /A is non!olatile.A. T/U85. 9A:,8

    12. ata in primary storage has fasteraccess than secondary storage.A. T/U85. 9A:,8

    LESSON 41

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 0ne function of storage is to store program and data for later use.

    2 ,torage has t o types; primary storage and secondary storage.

    3 %rimary storage is stored e&ternally.

    4 ,torage can also store computer program and information.

    ) Access time for primary storage is longer than secondary storage.

    * A computer cannot operate ithout secondary storage.

    19

    SCORE

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    %rim$ry Stor$&e

    1. The t o types of primary storageare hard dis+ and /0 .A. T/U85. 9A:,8

    2. /0 is non!olatile.A. T/U85. 9A:,8

    #. /A is an e&ternal memory.A. T/U85. 9A:,8

    '. /A and /0 are t o e&amples ofsecondary storage.A. T/U85. 9A:,8

    (. /0 refers to memory storingpermanent data and instructions.A. T/U85. 9A:,8

    *. A:U is not a type of storage.A. T/U8

    5. 9A:,8

    7. /andom Access emory holdspermanent data that can only bestored by the manufacturer.A. T/U85. 9A:,8

    -. 9lash memory is a type of primarystorage.A. T/U85. 9A:,8

    . /A stores information temporarilyso that it is instantly a!ailable to themicroprocessor.A. T/U85. 9A:,8

    13. 4olatile is here all the informationill be lost hen the computer is

    po ered off.

    A. T/U85. 9A:,8

    LESSON 42

    ICT WORKSHEET, FORM 420

    SCORE

    5. 9A:,8

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    %rim$ry Stor$&e

    1. This type of secondary storage has a fast reading access among the secondary storage.

    ___________________

    2. __________________de!ices use dis+s that are coated ith magnetically sensiti!ematerial.

    #. This type of storage is !ery popular to store music" !ideo and computer programs.

    ____________________

    '. It can be ritten only once. The data cannot be erased or ritten o!er once it is sa!ed.

    _____________________

    1. A _____is an e&ample of opticalstorage.A. hard dis+5. floppy dis+$. compact dis+

    . flash memory

    2. ,econdary storage does not need ____to maintain the information stored init.A. po er5. medium$. magnetic reel

    . sufficient energy

    #. 9lash memory store bits of electronicdata in memory cells >ust li+e _______A. /05. /A$. ,/A

    . /A

    '. emory cards and memory stic+s aree&amples of ________A. main memory5. flash memory$. optical storage

    . magnetic storage

    (.

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    8nables the computer to function properly. %ro!ides the en!ironment to enable users to accomplish specific tas+s. $ompulsory L 8ach computer must ha!e a ,ystem ,oft are to function. ependent L Application soft are cannot or+ ithout system soft are. 8ach computer only needs one ,ystem ,oft are. 8ach computer can ha!e more than one application soft are. Independent L ,ystem soft are can function ithout an Application ,oft are. 0ptional L epends on usage and needs.

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    LESSON 4) Types of Oper$ti & System

    ICT WORKSHEET, FORM 424

    SCORE

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    LESSON 4* Fu "tio s of Oper$ti & System

    ICT WORKSHEET, FORM 425

    SCORE

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    1. An operating system is _____________A a program designed to assist users ith personal tas+5 a program that allo s a user to perform maintenance type tas+

    $ a program that control or maintain the operations of a computer and its de!ice a set of programs that coordinates all the data transmissions among computer in a

    net or+

    2. ultitas+ing is __________A or+ing on t o or more programs at the same time5 or+ing on t o or more computers at the same time$ t o or more users using a computer at the same time

    t o or more processors or+ing on a program at the same time

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 ost operating systems come ith dri!ers for popular input and

    output de!ices.

    2 The computerBs operating system is responsible for managingmemory such as allocating data and instruction to an area ofmemory hile being processed.

    3 0ne of the main functions of operating systems is to pro!ide afree anti!irus program.

    4 A cold boot means starting a computer that is not already on. Ithappens hen e turn on a computer that has been completelypo ered off.

    ) ,tarting a computer is not one of the main functions of anoperating system.

    * All operating systems are designed to cross operate on all typesof computers.

    +

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    #. A user is turning on a computer that has been completely po ered off. The user isperforming a .A reboot ___________.5 hot boot$ cold boot

    arm boot

    '. A user is using the operating system facilities to restart a computer. The user is

    performing a ________________A hot boot5 cold boot$ dri!er boot

    arm boot

    (. In the process of installing ne soft are" the installation automatically restarts thecomputer after prompting the user. This is called __________A cold boot5 install boot$ arm boot

    soft are boot

    *.

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    LESSON 4+ I terf$"es of Oper$ti & Systems

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 Users interact ith soft are through the user interface.

    2 The user interface controls ho users gather data.

    3 The user interface controls ho information is displayed.

    4 In command line user interface" the user spea+s outcommands to enter data and instructions.

    ) In command line user interface" the user presses special+eys on the +eyboard to enter data and instructions.

    * The command line user interface is difficult to use becauseusers need to type the e&act spelling of commands.

    + The menu dri!en user interface pro!ides menus

    8 ects to issue commands.

    1, The graphical user interface is the most commonly useduser interface and has become a standard.

    28

    SCORE

    SCORE

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    LESSON 48Types of App'i"$tio Softw$re

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 $alc" 8&cel" and Muattro %ro are e&amples of spreadsheet

    soft are.

    2 Apple

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    LESSON 4# Us$&es of App'i"$tio Softw$re

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 ection screen.

    2 A presentation soft are allo s users to insert images" !ideo andaudio clips in their presentation.

    3 $harting is one of the features of a spreadsheet program.

    4 ournal.

    1) The ma>or difference bet een an electronic spreadsheet and anaccounting >ournal is the enhanced fle&ibility" speed andaccuracy pro!ided by an electronic spreadsheet.

    1*

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    1. The spreadsheet function that calculates thetotal of numbers in a range.A. ,U5. % T$. ,0/T

    . $0UNT

    2. Users can create and manipulate documentscontaining mostly te&t and a fe graphicsusing soft are.A. database5. spreadsheet$. ord processing

    . presentation graphics

    #. In ord processing" pasting is the process ofA. locating all occurrences of a certaincharacter" ord or phrase5. mo!ing different portions of a document onthe screen into !ie$. transferring an item from the clipboard to aspecific location in a document

    . remo!ing a portion of a document andstoring it in a temporary storage location

    '.

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    LESSON ), Us$&es of App'i"$tio Softw$re

    1.

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    A. A ord document and a mailing list5. An email message and a mailing list$. An email message and a ord document

    2.

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    App'i"$tio Softw$re7 A!v$ "e! Fe$tures ofSpre$!s eet Softw$re

    1. icrosoft 8&cel has a protection feature thatallo s users to protect the or+sheet fromA !iruses.5 changes.

    $ illegal copies. being corrupts.

    2. The spreadsheet feature that bloc+s usersfrom modifying or erasing information in a

    or+sheet is calledA loc+.5 shield.$ bloc+er.

    protection.

    #.

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    %rese t$tio Softw$re

    1. ust animation timings but not slidetransition timings$. able to set the time inter!al for eachtransition and animation

    . >ust !ie ing the slide sho ith automatictimes for effects. Oou cannot ma+echanges

    (.

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    *. ?o do you ma+e an inserted sound fileplay continuously o!er se!eral slides=A. Using the /ehearse Timing Tool to chec+ theduration of the sound file.5. Using the %lay $ Audio Trac+ feature" setthe $ to play for the desired number of

    trac+s.$. Using the /ecord ,ound feature" press the/ecord button and play your music as you clic+through the hole slide sho .

    . In the $ustom Animation tas+ pane" openthe options for the sound effect and set thesound to play for the desired number of slides.

    -. ?o ould you create the follo ing diagramin %o er%oint=A. 0n the Insert menu" clic+ chart and choosethis chart type.5. Use the $hart command on the Insert menu

    to import the diagram.$. Use Auto,hapes and the ra ing toolbar tocreate the diagram and design it.

    . 0pen the iagram @allery from the ra ingtoolbar and choose this diagram type.

    LESSON )3 App'i"$tio Softw$re7 A!v$ "e! Fe$tures of

    r$p i"s Softw$re

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 A graphics soft are enables professional designers to

    create sophisticated documents that contain te&t"graphics and many colours.

    2 A graphics soft are allo s users to create simpleanimations.

    3 Users can add special effects such as shado s and glo son images using graphics soft are.

    4 ,ome graphics soft are has a clip gallery that pro!idesimages.is .ppt

    ) @raphics editing soft are includes special features fortouching up photos" such as remo!ing red eye.

    * The crop tool is used for remo!ing un anted ob>ects.

    36

    SCORE

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    1. _______________an image is the act of cutting off and discarding theunnecessary portions of a picture.

    2. Adding effects and changing bac+ground ould _______________pictures.

    #. Adobe %hotoshop is proprietary soft are" hile the @I % is an open__________soft are. '. The cropping tool is used to _____________a selected area of a picture.

    (. ust" modify" add" or ______________colours to enhance pictures.

    *.

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    computer s hard dis+ so data can be accessed more quic+ly and programs can runfaster.

    True 9alse

    (. 9ile anagement is the system that chec+s the amount of used space or freespace on a storage medium.

    True 9alse

    *. efragmenting reorganises the files on a dis+ so they are located in contiguoussectors" hich slo s access time.

    True 9alse

    7. iagnostic utility and screen sa!er are the e&amples of utility programs in theicrosoft

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    1. T o popular file compression utilitiesare :)FI% and acent areas" thus greatly slo ingaccess to the files.

    True 9alse

    '. 0!er time" as you delete old files fromyour hard dis+ and add ne ones"

    something happensK The files becomedefragmented.True 9alse

    (. A compressed file must be unGipped orrestored to its original form before beingused.

    True 9alse

    *. 5ac+up utility is important because itallo s the user to retrie!e data if the harddri!e fails or she or he has no moreprograms or files.

    True 9alse

    7. is+ storage and dis+ cleanup detect

    and correct certain types of commonproblems on hard dis+s and floppies andsearch for and remo!e unnecessary files"such as temporary files" or Ptemp filesE.

    True 9alse

    -. 4iruses spread in our computers anddestroy programs and data on the harddis+.

    True 9alse

    . A defragmenter is important because itcan search for and remo!e unnecessaryfiles.

    True 9alse

    13. A !irus is a hidden programminginstruction that is buried ithin anapplication or a system program.

    True 9alse

    LESSON )* %ropriet$ry $ ! Ope Sour"e Softw$re

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    1. %roprietary soft are is also called anopen source soft are.

    True 9alse

    2. %roprietary soft are offers a stablesystem ith support if the soft are fails ormalfunctions.

    True 9alse

    #. 0pen source soft are is soft arepro!ided for use" modification andredistribution.

    True 9alse

    '. %roprietary soft are is popular becausethis soft are is a closed soft are; anyprogrammer can ma+e impro!ements

    hich can result in a better qualitysoft are.

    True 9alse

    (. Users can obtain :inu& in a !ariety ofays. ,ome do nload it for free from theeb. 0thers purchase it from !endors.

    True 9alse

    *. %roprietary soft are offers a stablesystem ith support if the soft are fails ormalfunctions.

    True 9alse

    7. %roprietary soft are is pri!ately o nedand controlled by a company or limited toaspecific !endor or computer model.

    True 9alse

    -. any application programs" utilities andplugJin ha!e :inu& !ersions includingK0pen0ffice.org" Netscape" Oahoo

    essenger" /eal%layer" Muic+Time andAcrobat /eader.

    True 9alse

    . An open source soft are is popularbecause it has an interesting interface.

    True 9alse

    13. ac 0, Q has the best @UI.True 9alse

    LESSON )+ A!v$ t$&es $ ! -is$!v$ t$&es of

    %ropriet$ry Softw$re

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    1. It is difficult to +no hether there aresecurity issues ithin the proprietary soft are

    because .A. the code is not a!ailable5. the code is too complicated$. the code is pass ord protected

    . the code needs special program to open

    2. $ustomising the soft are is nearlyimpossible because hen users buy theproprietarysoft are they ill recei!e .A. a code

    5. a module$. a program. a binary !ersion

    #. The follo ing are ad!antages of proprietarysoft areKI. it offers a stable system support if it fails ormalfunctions. This is usually a!ailable onlineand offlineII. security is a ma>or issue. anufacturers illha!e to in!est in an ongoing research againstthreats from hac+ers

    III. easy to install and use as the production isplanned and e&tensi!e research is carried outto ensure users purchase only the bestI4. safe and guaranteed to be safe fromdubious threats li+e programming bugs and!iruses thus pro!iding ease of mind for theuserA. I" II and II5. I" III and I4$. II" III and I4

    . I" II" III and I4

    '.

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    A!v$ t$&es $ ! -is$!v$ t$&es ofOpe Sour"e Softw$re

    1. The follo ing are ad!antages of open sourcesoft areKI. 9i&ers and patches to rectify the bugs arerapidly de!eloped.II. The codes are too complicated for no!iceusers to understandIII. The soft are can be used in any ay andfor any legal purposes.I4. There is no restriction in a unilateral ayon ho the soft are could be used.A. I" II and III5. I" II and I4$. I" III and I4

    . I" II" III and I4

    2. 0pen source soft are is created accordingtoA. student demand5. internet demand

    $. industry demand. company demand

    #. The follo ing are disad!antages of opensource soft areI. The modified and impro!ed source codes canbe freely redistributed.II. There is no e&act +no ledge and assuranceon hen the codes are going to be fi&ed ifthere are bugs in it.III. The soft are is usually distributed free ofcharge or sold for !ery minimal fees thus notpro!iding after sales support.I4. The codes are too complicated for no!iceusers to understand because anyone is free touse" modify or e!en distribute the codes.A. I and II5. II and III$. II" III and III

    ICT WORKSHEET, FORM 4

    NO STATE(ENT TRUE FALSE1 0pen source soft are" created based on industry demands but

    allo s for upgrades to ta+e place freely hen the need arises"is one of its disad!antages.

    2 0pen source soft are usually comes ithout arranty and supportshould the soft are fail or malfunction.

    3 If bugs in the codes are found" they can be fi&ed by anyone.

    4 9i&es and patches to rectify bugs found in open source soft are aree&pensi!e.

    ) There is no restriction in a unilateral ay on ho the soft are couldbe used.

    42

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    . I" II" III and I4

    '. or issue in %$ assembling.

    True 9alse

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    13. A po er cable can be connected hen the assembling is complete.True 9alse

    LESSON *, %C %re$ssem 'i &

    1.

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    . In assembling a %$" you ha!e to po er up the system first before attaching otherperipherals to the %$.

    True 9alse

    13. The front panel display consists of a spea+er port" ? Indicator :8 " %o er:8 and /estart button.

    True 9alse

    LESSON *1 .IOS Setup

    1. 5I0, stands for ____________________

    2. 5I0, ill access a set of routines from_______________

    #. The most important role of a 5I0, is to load the______________

    '. Normally the users need to press the___________ +ey if they ant to enter the5I0, setup interface immediately after s itching on the %$.

    (. 5I0, allo s us to set the___________ and time.

    *. 5elo is a list of steps hich sho s ho a 5I0, or+s.6a Turn _____the %$.

    6b ________read instructions from 5I0,.

    6c Instructions in 5I0, tell the computer ho to access the_________

    6d Instructions in________ tell the computer ho to find the operatingsystem.

    6e :oad the operating system to __________

    7. The 5I0, setup programs can normally be entered only duringthe________process.

    -. Assuming that your computer pro!ides the follo ing options in the boot sequence.S ? " $ /0 "9loppyS 9loppy" ? " $ /0S $ /0 "9loppy" ?

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    If you ant to boot from a bootable $ then you can set the boot sequence to__________________

    . 5I0, allo s users to set a _________to control the access to the computer.

    13. The quic+ po er on self test 6 %0,T in 5I0, allo s 5I0, to boot up faster by ___________ some tests.

    LESSON *2 :$r! -is/ %$rtitio i & $ ! Form$tti &

    1. 0nce a partition is formatted" it is calleda___________A. format5. partition !olume$. striped partition

    . formatted partition

    2. 9ormatting a dis+______________A. erases all data on the dis+5. di!ides the hard dis+ into se!eral

    partitions$. ma+es a bac+up copy of the data on thedis+

    . mo!es the data around on the dis+ tosa!e space

    #. In hard dis+ partitioning" e press the $+ey to_____________A. copy a partition5. create a partition$. delete a partition

    . format a partition

    '. In hard dis+ partitioning" e press the +ey to____________A. copy a partition5. di!ide a partition$. delete a partition

    . format a partition

    (.

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    5. Oou should partition a hard dis+ prior toformatting$. 8ach partition on a hard dis+ can beformatted ith a different file system

    . 9AT is a file system of hard dis+ hichis not accessible from a 0, boot floppy.

    13. The operations of formatting a hard

    dis+I. erases all the data on the hard dis+

    II. rearranges all the data on the hard dis+III. creates a root directory on the harddis+I4. chec+s for physical and magneticdefectsA. I" II and III5. I" II and I4$. I" III and I4

    . II" III and I4

    LESSON *3

    I st$''i & t e Oper$ti & System

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    LESSON *4 I st$''i & $ App'i"$tio Softw$re

    1. $hec+ your computerBs system specifications hether it can run the application soft are.True 9alse

    2.

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    LESSON *) I st$''i & $ Uti'ity %ro&r$m

    1. an ?orse.A. True5. 9alse

    . An email spamming program can also detect any !iruses found.A. True5. 9alse

    13. A utility program is used to increase the memory siGe in a hard dis+.A. True5. 9alse

    LESSON **

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    %erv$sive Computi &

    1. Another name for per!asi!e computingis__________A. remote computing5. mobile computing

    $. ubiquitous computing. distributed computing

    2. %er!asi!e computing is about _________A. users ha!ing access to I$T !irtually5. users ha!ing access to I$T remotely$. users ha!ing access to I$T throughoutthe en!ironment

    . users ha!ing access to I$T throughoutcybernetics technology

    #. In terms of per!asi!e computing" hichone of the e&amples belo is N0T agadget that can be earable=A. :$ >ac+et5. 5ullet proof >ac+et$.