GSEB-XII COMPUTER SCIENCE: CH-13: OTHER USEFUL FREE TOOLS AND SERVICES

1) A modern………..system has lakhs of files on them.

(a) School

(b) Computer

(d) Workstation

2) Often one needs of transfer a large number of the files or an entire directory………….to another computer or storage device.

(a) structure

(b) arrangement

(d) plan

3) both computer networks and external storage device are usually not as fast as internal components of a……

(a) system

(b) computer

(d) Workstation

4) If the…….is used for file transfers, more time may be taken in the transfer due to slow internet speed.

(a) Hard disk

(b) Directory structure

(c) Internet

(d) RAM

5) Heavy file transfers put load on the usually clogged ……connection.

(a) HTML

(b) Structure

(d) Internet

6) Unless the user or organization has unlimited ……….plan, higher amount of data my result in higher cost as well.

(a) Usage

(b) Structure

(d) Internet

7) There is a need to reduce the amount of storage space occupied by……files (and entire directory structures),whenever possible.

(a) System

(b) Computer

(d) Workstation

8) Form a convenience point of view, in many cases it is also desirable to have a single fileto handle rather than a large bunch of files or a complex…….structure.

(a) Directory

(b) File

(d) Hard disk

9) ………..scientists have developed techniques to place a whole directory structure into single file for convenience.

(a) Peripheral

(b) Computer

(d) Research

10) Such a file is called an……..

(a) Library

(b) Archive

(d) File

11) The computer scientists have also developed a number of……… for reducing the storage requirements of computer files and directory structures.

(a) Methods

(b) Systems

(d) Techniques

12) The above techniques (of Q 11) are called data ………. ,

(a) Solidarity

(b) Firmness

(c) Compression

(d) Resolution

13) Data…………. Generally works by indentifying repetition in the data and encoding the data in a way that reduces or eliminates such repetition.

(a) Solidarity

(b) Firmness

(c) Compression

(d) Resolution

14) Actual data............... compression program use sophisticated ………..based on information theory to achieve even greater reduction in size.

(a) Algorithm

(b) Instruction

(d) Method

15) Linux provides ready-made free and open source software for managing………files.

(a) Library

(b) Archive

(d) File

16) The ready-made free open-source software for managing archive files is called.

(a) Archive manager

(b) Library manger

(d) Directory manger

17) The ………..permits the user to combine may files or an entire directory tree into a single file known as an archive.

(a) Archive manager

(b) Library manger

(d) Directory explorer

18) On Linux systems,……..is the most common archive format.

(a) zip

(b) rar

(c) tar

(d) gz

19) full form to tar is……….

(a) tap achiever

(b) tape achiever

(d) none of these

20) ……….also provides the facility of compressing file formats.

(a) zip

(b) rar

(c) tar

(d) zar

21) The most common compressed file formats are the …….file formats.

(a) zip

(b) tar.zip

(c) both (a) and (b)

(d) none of these

22) The zip file format supports storing multiple files In a single zip file, on……

(a) Unix

(b) Linux

(d) Android

23) In………….systems the common practice is to combine the files into a single uncompressed file in the tar format and then compress the file in the zip format using gzip.

(a) Unix

(b) Linux

(d) Android

24) In Linux ……is an open source archiving program.

(a) GNU

(b) gzip

(d) zip.rar

25) A gzip file commonly has the extension……….

(a) Tar.zip

(b) tar.rar

(c) tar.gz

(d) tr.gzip

26) The gzip file is called a……..

(a) tal ball

(b) rar ball

(d) zip ball

27) The……… is a very common format for distributing software of bundles of files on the linux platform.

(a) tar ball

(b) rar ball

(d) zip ball

28) the……..format is also used by different applications under different names.

(a) GNU

(b) gzip

(c) zip

(d) zip.rar

29) the JAR files used in java and the open office.org office suits file formats use…………compression.

(a) GNU

(b) gzip

(c) zip

(d) zip.rar

30) ………..uses the extension part of the filename to identify the file format when opening an archive and to select the file format when creating a new archive.

(a) Archive manager

(b) Library manager

(d) Directory explorer

31) ……can also be used to explore the content s of archives, to extract files from the archives, to add new files to the archive , to delete files from the archive, and perform other such operations.

(a) Archive manager

(b) Library manager

(d) Directory explorer

32) There is no menu item to start the archive manager by………..

(a) menu

(b) default

(d) stages

33) One can double-click on an archive file in the ……….file browser to start the archive manger.

(a) Chrome

(b) Explorer

(c) Nautilus

(d) Firefox

34) A new……..can be created by right – clicking a file or directory and selecting the compress……..

(a) Library

(b) Archive

(d) File

35) By right-clicking a file or directory and selecting the compress option from the context menu, creates a new……..with that file or directory as its contents.

(a) Library

(b) Archive

(d) File

36) Archive manger can be added to the……..sub menu of the application menu.

(a) Programs

(b) Applications

(d) Accessories

37) When an archive is open in the………..the view is similar to a director open in the nautilus file browser.

(a) Archive manger

(b) Library manger

(d) Directory manager

38) Double-clicking a……..opens that directory and shows its contents.

(a) Directory

(b) Menu

(d) File

39) The up and back buttons in the toolbar can be used to go to the parent………….(if it exists in the archive) and the previous directory (if any) respectively.

(a) Directory

(b) Menu

(d) File

40) The ……….helps us in creating and using archive files for backup for transfer via an external storage device, for transfer via network for saving disk space, etc.

(a) Archive manager

(b) Library manger

(d) Directory manager

41) ………….has many built-in tools to play multimedia content like audio, video etc.

(a) Linux

(b) Unix

(c) Ubuntu

(d) Archive manager

42) ………media player is great open source tool.

(a) Windows Media player

(b) VLC

(d) QuickTime

43) ………….. is a short form of VideoLAN client.

(a) Windows Media player

(b) VLC

(d) QuickTime

44) ………is popular because of its versatility and features.

(a) Windows Media player

(b) VLC

(d) QuickTime

45) Started as an academic project by the music-loving students of a university in paris, ……………is now a community project available under multiple operating systems and has been downloaded over a billion times.

(a) Windows Media player

(b) VLC

(d) QuickTime

46) One of the issue faced with………content is that there are a variety of ways of converting multimedia information coming from computer from hardware devices (audio/ video streams ) into computer data and then converting the computer data back into audio/video streams for playing on the hardware devices.

(a) Multimedia

(b) Hypermedia

(d) Interactive program

47) The conversion (coding) and reverse conversion (decoding) is performed by a software component called………

(a) Coder

(b) Decoder

(d) Codec

48) The full form of………is coder decoder.

(a) Coder

(b) Decoder

(d) Codec

49) Each multimedia data format requires its own ………. .

(a) Coder

(b) Decoder

(c) Code decoder

(d) Codec

50) The advantage of VLC is that it supports all the popular codecs and hence all the popular …….. .

(a) Set-ups

(b) Formats

(d) Plans

51) …………also supports all the major types of devices including web cameras, HD monitors, speakers of all types, microphones, headphones.

(a) Windows Media player

(b) VLC

(d) QuickTime

52) ………………can convert multimedia files from one format to another.

(a) Windows Media player

(b) VLC

(d) QuickTime

53) ………can also stream (send) audio /video to and receive audio/video from another computer(s) over the network.

(a) Windows Media player

(b) VLC

(c) VCL

(d) QuickTime

54) An entire directory can be opened using the media àOpen…….. options.

(a) Directory

(b) Menu

(d) File

55) If a directory is opened,…….will actually open all media files in that directory playable by it.

(a) Windows Media player

(b) VLC

(c) VCL

(d) QuickTime

56) When one or more files are opened, they are added to the………of the media player.

(a) Filelist

(b) Quicklist

(d) Playlist

57) The ………is a list of media files (tracks) to be played.

(a) Filelist

(b) Quicklist

(d) Playlist

58) One can play the media in the……..in sequence, or in random order.

(a) Filelist

(b) Quicklist

(d) Playlist

59) The………. can be opened using the View à Playlist option and saved using the Media àSave playlist to file option.

(a) Filelist

(b) Quicklist

(d) Playlist

60) VLC supports multiple file formats for playlist, but……is more common.

(a) M3U

(b) MU3

(d) MP3

61) At the bottom of the window, VLC displays a …………bar showing how much of the current track has been played and what is its total duration.

(a) Growth

(b) Progress

(d) Improvement

62) In VLC player, when the track is playing, the play button turns into a……….button.

(a) Still

(b) Progress

(c) Pause

(d) Stop

63) The …….button on the player has two parallel bars on it.

(a) Play

(b) Progress

(c) Pause

(d) Stop

64) In the VLC player, if the playback is paused, the like play/pause, stop is hidden.

(a) Panels

(b) Controls

(d) Button

65) In full screen mode of VLC player, the ……….like play / pause, stop is hidden.

(a) Panels

(b) Controls

(d) Buttons

66) The………of the VLC player can be displayed in a temporary floating window by moving the mouse cursor over the video.

(a) Panels

(b) Controls

(d) Buttons

67) VLC can also be used to………multimedia files from one format to another.

(a) Alter

(b) Change

(c) Convert

(d) Transform

68) The…….button can be used to start the conversion process of the multimedia files from one format to another.

(a) Convert /save

(b) Convert/Open

(d) Convert/format

69) Google maps is a free internet-based service provided by………..

(a) Microsoft

(b) Netscape

(d) Google, inc

70) ……..has, over a period of years, collected extensive map data for the whole earth through various means like satellite imagery, cars with cameras mounted on them, data purchased from other organization and data provided by millions of individual users around the world.

(a) Microsoft

(b) Google

(d) Htc

71) ………allows anybody to edit the maps and identify landmarks, buildings, etc.

(a) Google

(b) Google watch

(c) Google maps

(d) Google games

72) ………..also allows users to upload photographs of the place and post reviews of the place.

(a) Google

(b) Google watch

(c) Google maps

(d) Google games

73) The service is also heavily used on……devices like smartphones and tables.

(a) Mobile

(b) Desktop

(d) All of these

74) The Google maps service can be accessed from the web browser by opening the web site http://www.google.co.in and selecting the ………..option from the top menu.

(a) Games

(b) Maps

(d) Bookmarks

75) The google maps service can be directly visited by entering the……….http://maps.google.co.in.

(a) URL

(b) Address

(d) Locator

76) The …………service can be accessed from the mobile phone’s web browser as well as from the google maps application.

(a) Google

(b) Google watch

(c) Google maps

(d) Google games

77) On a mobile phone, the user’s location can be known with very high accuracy if the ……….facilitiy is used.

(a) GPRS

(b) 2G

(d) GPS

78) Full form of GPS is…….

(a) Global Placing system

(b) Global positioning system

(d) Global positing scheme

79) The………… finds a user’s location with an estimated error of only few meters using satellite signals.

(a) GPRS

(b) 2G

(d) GPS

80) ……..allows the user to correct the location, if it is inaccurate.

(a) Google

(b) Google watch

(c) Google maps

(d) Google games

81) The map can be scrolled (pan ) by dragging it in different directions or by clicking on the arrows in a………..on the left hand side.

(a) circle

(b) scroll

(d) box

82) A vertical slider………… on the left allows us to zoom in and out on the map.

(a) circle

(b) scroll

(c) bar

(d) box

83) by clicking on the satellite …………………. The view can by switched to the satellite image.

(a) Panel

(b) Control

(d) Button

84) In the satellite view, the images taken by………..in the sky are shown.

(a) Satellites

(b) Digital camera

(d) Planets

85) The Google maps service even provides turn-by-turn guidance while travelling if a mobile phone device is equipped with…………..receiver.

(a) GPRS

(b) 2G

(d) GPS

86) On a highway or in a crowded city area, walling or driving, the ……….service decides the route based on the current location and destination and guides with on-screen as well as voice (spoken) instructions.

(a) Google tools

(b) Google watch

(c) Google maps

(d) Google games

87) Government organization and business use the Google maps service to provide people ……..on how to reach their offices.

(a) Information

(b) Data

(d) Documents

88) The service also has a facility using which anyone can display a map of any place on one’s………

(a) Information

(b) Data

(d) Documents

89) Tourist information websites and tourism departments of………also make use of this service.

(a) Groups

(b) Businesses

(c) Governments

(d) Organizations

90) Google maps can also be used to………bus routes, current location of running trains, etc.

(a) Display

(b) Exhibit

(d) Demonstrate

91) The ………..service also provides the facility of finding the nearest ATM centre, bank, restaurant, bus-stop or any other such essential place.

(a) Google tools

(b) Google watch

(c) Google maps

(d) Character maps

92) The …………program can be used to enter unicode characters into any application.

(a) Character symbol

(b) Character map

(d) Character code

93) From the………program script has to be selected form the left pane first and then double click characters to insert them into the test of copy area below.

(a) Character symbol

(b) Character map

(d) Character code

94) While using……..program, spaces and punctuation can be entered by area after clicking in it.

(a) Character map

(b) Character codes

(d) Character selection

95) Brief details of the character currently selected with single-click or entered with double-click are shows in the status line at the bottom, while more details on the character is available in the….tab.

(a) Character details

(b) Character map

(d) Google maps

96) A……………is good solution If one has to type a few characters in another script occasionally.

(a) Character details

(b) Character map

(d) Google maps

97) ………is a free software environment for statistical computing.

(a) P

(b) Q

(c) R

(d) GNU

98) R software is widely used for statistical analysis.

(a) P

(b) Q

(d) GNU

99) ………..software is widely used for statistical analysis.

(a) P

(b) Q

(c) R

(d) GNU

100) R software has its own……….language.

(a) Scripting

(b) Object-oriented

(d) Programming

101) ………software has a case-sensitive language.

(a) P

(b) Q

(c) R

(d) GNU

102) R software has……….work environments namely command line and graphical.

(a) One

(b) Two

(d) Four

103) To use R software in a ………..environment, it has to be installed with graphic editors.

(a) DOS

(b) Windows

(c) GUI

(d) All of these

104) Examples of Graphic Editors are…………

(a) R commander

(b) R studio

(c) Both (a) and (b)

(d) None of these

105) The above named graphic editors are from ……..software centre.

(a) Linux

(b) Unix

(c) Ubuntu

(d) Archive manger

106) To install R software on the machines, give the ………command.

(a) Sudo apt-get install r-base r-base-develop

(b) Studio apt-get install r-base r-base- dev

(c) Sudo apt-get install r-base r-base- deve

(d) None of these

107) To invoke the………..scripts from terminal window, open terminal and type on the command prompt.

(a) Unix

(b) Linux

(c) R

(d) Shell

108) Just like the Linux shell, R uses…………..as the comment marker.

(a) #

(b) //

(d) ?

109) Any text following ……….up to the end of the line, is treated as a comment.

(a) #

(b) //

(d) ?

110) In R software, number and string are the basic ………. .

(a) Method types

(b) Declaration types

(c) Data types

(d) Variable types

111) In R software…………are enclosed in single quotes or double quotes.

(a) Numbers

(b) Strings

(d) Commands.

112) In R software, common………….and functions are available, just like other programming are available , just like other programming language.

(a) Commands

(b) Operators

(d) Characters

113) Ordered lists of items (arrays or lists) are commonly used and are also referred to as……..

(a) Vectors

(b) Paths

(d) Directions

114) Lists are created using the………function to combine several number into a single list.

(a) C++

(b) Basic

(c) c

(d) Is

115) Most operators in R software, like +,-,*,/, and other work equally well on single …………..as well as on lists.

(a) Number

(b) String

(d) Operands

116) However, in R software, when both……..of binary operators are list, their lengths (number of elements in them) should ordinarily be same.

(a) Numbers

(b) Strings

(d) Operands

117) The statement > a

10 defines a ………… ‘a’ and assigns it a value 10.

(a) Numeral

(b) Letter

(d) Variable

118) The statement > a followed by…………key press displays the value of a.

(a) ENTER

(b) TAB

(d) F2

119) The statement > a*b followed by…….key press multiplies the value of variable ‘a’ and ‘ b’ and displays of the result on the prompt.

(a) ENTER

(b) TAB

(d) F2

120) R command to quitting is…..

(a) quit()

(b) q()

(d) All of these

121) R command for accessing on line help is…..

(a) on-line help()

(b) assist()

(c) help()

(d) help.start()

122) R command to open the on line help in a browser is…….

(a) Rdemo()

(b) Sample()

(d) Demo()

123) R command to open the on line help in a browser is…….

(a) on-line help()

(b) assist()

(d) help.start()

124) To get help on a particular function ……… help (function name ) can be used.

(a) Syntax

(b) Function

(d) Grammar

125) While quitting R, the software prompts whether the………..(values of variables) has to be saved, from the current session.

(a) Information

(b) Data

(d) All of these

126) The function ……..displays a list of all the variables defined.

(a) List_variables()

(b) Disp()

(d) Is()

127) A series of consecutive numbers (range) may be generated using the syntax…….

(a) begin:end

(b) start : end

(d) none of these

128) In R software, …………..function can be used to find the minimum value for a list.

(a) median (list)

(b) mean(list)

(d) min(list)

129) In R software, …………..function can be used to find the maximum value for a list.

(a) median (list)

(b) mean (list)

(c) max (list)

(d) min (list)

130) In R software,……… function can be used to find the mean for a list.

(a) Median(list

(b) mean (list)

(d) min (list)

131) in R software, ……… function can be used to find the median for a lsit.

(a) Median(list

(b) mean (list)

(d) min (list)

132) In R software, the function ………with various arguments is used for drawing a plot.

(a) plotbar

(b) bar_plot

(c) barplot

(d) bar-plot

133) the first argument (no_students) specifies the ………..list.

(a) data

(b) info

(d) variable

134) all other arguments have the form……..

(a) name = variable

(b) value = name

(c) name =value

(d) variable = name

135) The argument ……….is used to specify the main title in the plot.

(a) main

(b) xlab

(d) ylim

136) The argument …………..is used to specify the X-axis label in the plot.

(a) Main

(b) Xlab

(d) ylim

137) the argument…………is used to specify the Y-axis label in the plot.

(a) main

(b) xlab

(c) ylab

(d) ylim

138) The argument ………….is used to specify the values to be displayed for the bars of the plot.

(a) names.arg

(b) names.org

(d) names.ylim

139) the argument …………is used to specify the ragne of values to be plotted on the Y-axis in the plot.

(a) names.arg

(b) names.org

(d) names.ylim

140) The argument …………is used to specify the border color in the plot.

(a) main

(b) xlab

(d) border

141) In R software, for long commands, when enter is pressed before the command is complete, R issues the…… prompt until the command is completed.

(a) #

(b) *

(d) +

142) In R software, by……….the group does not have grid lines.

(a) default

(b) command

(d) none of these

143) Using R software, …………..can also be produced.

(a) diagrams

(b) histograms

(d) flowecharts

144) ………….is one such open source software designed to assist project managers in preparing , maintaining and following a well-defined project plan.

(a) Rational_plan

(b) Rational_plan

(c) Rationalplan

(d) PlanRational

145) ………….assists the project managers throughout the life cycle of their projects.

(a) Rational_plan

(b) Rational_plan

(c) Rationalplan

(d) PlanRational

146) ………………comprise three different desktop products.

(a) Rational_plan

(b) Rational_plan

(c) Rationalplan

(d) PlanRational

147) RationalPlan comprise of the ……………..desktop product.

(a) Single

(b) Multi

(d) All of these

148) RationalPlan …………..allows the users to manage independent projects that doo not have common resources and has no interrelations between different projects.

(a) Single

(b) Multi

(d) All of these

149) RationalPlan …………..allows the users to associate general project information like name, notes links, assumptions, constraints or risks.

(a) Single

(b) Multi

(d) All of these

150) RationalPlan ……………..allows creating, editing and deleting calendars, building schedules.

(a) Single

(b) Multi

(d) All of these

151) Rationalplan ………..provides project tracking tools such as critical path, mark completion value for tasks, work and cost time phased information.

(a) Single

(b) Multi

(d) All of these

152) Using……………….. a printable report can be generated as well as data can be imported from other project management tool or data can be exported into other formats.

(a) Rational_Plan

(b) Rational-Plan

(c) RationalPlan

(d) PlanRational

153) RationalPlan…………..allows the user to manage projects that share company resources across projects.

(a) Single

(b) Multi

(d) All of these

154) RationalPlan…………. Also manages interdepen-dencies between projects.

(a) Single

(b) Multi

(d) All of these

155) RationalPlan………….includes all the features of RationalPlan single project.

(a) Single

(b) Multi

(d) All of these

156) RationalPlan………..calculates the resources data (work, cost, over allocation) considering their assignment in all projects.

(a) Single

(b) Multi

(d) All of these

157) RationalPlan…….allows links between tasks pertaining to different projects, analyzers all our projects data and creates a project portfolio view.

(a) Single

(b) Multi

(d) All of these

158) RationalPlan………..is an additional tool developed to share the project in its original file format (.xrp), but it can be used as well to open Microsoft project files.

(a) Single

(b) Multi

(c) Viewer

(d) All of these

159) RationalPlan ………..is useful to anybody who needs to check and overview the project’s evolution without making changes to the schedule, and for resources to see their assignments.

(a) Single

(b) Multi

(c) Viewer

(d) All of these

160) As of today, the support of……………of Ubuntu 10.04 has been removed; it is available for Ubuntu 12.04 and later versions.

(a) Rational_Plan

(b) Rational-Plan

(c) RationalPlan

(d) PlanRational

161) Today…………….instant messaging service Is being used.

(a) Yahoomessenger

(b) Google talk

(d) All of these

162) The instant messaging services are used for real time like…………….

(a) Chatting with text

(b) Audio

(d) All of these

163) ………..is one such software that allows the users to make calls over the internet using computer systems.

(a) Skype

(b) Word

(d) R software

164) The …………..service allows users to communicate with peers using voice, video as well as text.

(a) HTML

(b) Media Player

(d) Skype

165) ……….also provides additional features like file transfer and vcideoconferencing.

(a) Skype

(b) Internet

(d) R software

166) The skype software can be downloaded free of cost, though its source code is………..and not available for modification.

(a) Viewable

(b) Proprietary

(d) Branded

167) To use…………. A working sound input and output configuration Is needed.

(a) RAtinalPlan

(b) Skype

(d) R software

168) To start skype, choose application internet ……………

(a) Skype

(b) Java

(d) R software

GSEB-XII COMPUTER SCIENCE: CH-13: OTHER USEFUL FREE TOOLS AND SERVICES

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