Gujarat Board Class 9 Solution Computer Chapter 7 Introduction to Ubuntu Linux GUI Exercise Solution here in this Post.
|Board||GSEB Gujarat State|
|Chapter Name||Introduction to Ubuntu Linux GUI|
Gujarat Board Class 9 Computer Chapter 7 Introduction to Ubuntu Linux GUI Solution:
1) What are the three major components of the GNOME2 desktop screen?
The three major components of the GNOME2 desktop screen are as follows:-
i) The Top panel: The top panel is the top horizontal bar at the top of the screen and has three main menus such as Application, Places and system. There are notification area, date and time, the Menus, and the session menu in the application launcher available in the top panel of GNOME2 screen.
ii) The desktop area: It’s the empty place/area between these two panels such as top panel and bottom panel. The frequently used files and application that are to be used for quick access are placed here in this section.
iii) The bottom panel: It is the horizontal bar which is present at the bottom of the screen. It has as how desktop icon, the currently running applications, and the Trash icons.
2) Discuss the main components of the top panel in GNOME2?
Ans: The top panel is the top horizontal bar at the top of the screen and has three main menus such as Application, Places and system. There are notification area, date and time, the Menus, and the session menu in the application launcher available in the top panel of GNOME2 screen.
3) List and discuss the menu items under the Places menu in Ubuntu using GNOME2.
Following are the menu items that comes under places are:-
a) Home folder: With the help of Nautilus file browser, the home folder helps to open the currently logged in user’s home directory.
b) Desktop: With the aid of Nautilus fie browser, it opens the user’s desk top folder. If any file is placed in the desk top folder, then it is showed in the user’s desk top, and the file placed graphically on the user’s desk top appears here.
c) Documents: It is used for storing the user’s personal documents.
d) Music: It is a folder which is used for storing music.
e) Pictures: It’s a folder used for storing pictures/images.
f) Videos: It’s used to store the videos.
g) Download: The files which are downloaded from the internet appear in such folder. The settings of storing downloaded files is by default. If the user wants to change the settings, then it can be changed easily.
h) Computer: The fixed and removable devices which are attached to the computer are shown here.
i) Network: This shows the other computers which are running Ubuntu or windows operating system on the same network. If the net work sharing is enable on the computers, the files can be easily transferred or copied.
j) Connect to server: It is used to connect the computers who are sharing Unix operating system. The server computers are used to provide common services to the computers on the network.
k) Search files: If a user forgets the directory/place where the file is been stored, then such menu is been used to search the file by name.
l) Recent documents: It displays the list of recently accessed files without following the full process. The users can easily re access the files which are available in the list.
m) Bookmarks: Here the created book marks in Nautilus browser are displayed. If there are less number of book marks they are directly displayed in Places menu, in case in more numbers they are displayed in the bookmarks.
4) List the menu items under the Administration submenu in Ubuntu using GNOME2.
Ans: The menu items which comes under the Administration submenu are as follows:-
a) Disk utility: Disk utility is by default installed in the system. It manages the disk in the computer system like disk partitions, create disks, delete disks, format disks etc.
b) Language support: Its displays the list of different languages including Indian languages too. These languages help the user to work in the applications.
c) Printing: This menu is to control the printing operations like giving print commands, adjusting the printer settings etc.
d) Software sources: It’s a place where the downloaded software’s from the internet’s are been kept.
e) Synaptic package manager: It looks after the installing and uninstalling of software’s.
f) Time and Date: Used for adjusting date and time and to show the time zone information.
g) Updated Manager: Here we get the information’s about the latest updates of the recently installed softwares.
h) Users and Groups: Used for controlling the users and groups on the computer system.
5) What are application launchers? Discuss the ways to put launchers in the top panel.
Ans: Its much tedious work/ difficult to start the application every time as per the users requirement in a step by step method/ procedure. The place between menus and the notification area where we can find the launcher in which the recently used applications by the user appears. Such type of are represented or shown in the form of small icons. There are two types of launchers by default in the application one launcher used for Mozilla fire box browser and the second one for Ubuntu’s built in help tool.
Following are the ways to place the launchers in the top panel:-
i) By placing the application in the application menu. The right click the mouse button and select the option as “Add this launcher” from the drop down list.
ii) Right click on the empty space on the top panel. Select the option as Add to panel. Select any predefined launchers that you want to add from the list.
Application launcher helps the user to select any application from the menu list while as custom application launcher helps the user to create the launcher of his own.
6) How can we create a custom application launcher?
The steps for creating the custom launcher are as follows:-
For creating the launcher you need executable program file for the application that you want to access. You can type the thing in the command box or can click the browse button in the create launcher dialog box. When you’ll click on browse button, which will open the standard file selection box which will show the list of files which can be accessed with the help of Nautilus browser. The name and the comment states the name and description of the launcher. The icons which are in relation with launchers can be easily changed by clicking on the icon shown in the dialog box and select a new one. In the subdirectories of the directory/ user/ share/ icons you may find the standard icons. Any small picture can be selected as icon. With the help of image manipulation program GIMP, you can create your own icon.
7) List and discuss the indicator applets installed by default in Ubuntu using GNOME
In the notification area there many indicator applets known as small applications which are installed by default in Ubuntu using GNOME are:-
a) Sound applets: The sound applet is displayed with a speaker icon which allows to control the settings of the systems speakers like controlling the volume of the speaker, you can quickly mute or un mute the sound of the speaker.
b) Date/time applet: The date/ time applet will show the user the current date and time. If you click on it you can see a calendar which will see the current month. If you click on the two small triangles which will show you the week from the past or future just select the month and year. And hence you can change it respectively. The map shows the places in the world where there is much day light and where there is dark. For closing this calendar need to click again date and time.
c) Network indicator: This applet shows the status of the network and allows to connect or disconnect to a specific network. When we select the edit connections which will help to edit network connections.
8) What is the “ME Menu”? What is its use?
ME Menu is identified by the user’s name who is currently logged in. There are some options there which are Available, Away, Busy, Invisible, of fine which are used to show the status of the user on the social site. Next two options allows the user to set access the social accounts. Once any of these options have been selected, the indicator applet will notify the user about the new messages, chats requests, etc. whichever the user receive on the platform. The last option Ubuntu One in the ME Menu allows the user to register the computer that the user use with Canonicals free based service. The term cloud based here means whatever the file and folders are stored in Ubuntu one are been stored in Ubuntu server and not in computers. This files and folders can be accessed over the internet from any computer of the world. For performing such operations, the user must have an account with Ubuntu one service. If in case the user does not have the account with Ubuntu One service, then he can create a free account by using simple procedure.
Ubuntu allows the user to synchronize the contacts, browser bookmarks, file and folders. The information stored on the computer are same as stored on the servers. The synchronization process starts automatically when the information stored on the computer is same as information stored on the server computers. If in case if it finds the information is modified, recently added or deleted on ones computer then the same thing is been applied to the other computer. At the end the process, both the computers will be updated with the latest records/ information. If you synchronize the computer having plenty of data with the server, and then synchronize the another computer with the server, which will transfer the data or files and folders from one computer to another. You can upload the file from one computer and download it in another computer through internet. Most of the people keep their important data, files on the cloud and can access it anywhere in the world as per its requirement or it can be share with others too.
Ubuntu provides the facility of online music store which is currently not available in India. It also provides the facility of uploading or sharing of the pictures taken with friends and relatives by using android phones. Ubuntu One can be accessed from the computers which are using Ubuntu. Linux /UNIX, Microsoft windows, android and iOS phones. 5 GB is provided for free account. If additional storage is needed, then the user has to purchase it. Canonical receives the income by advertisements and sale of storage space and music on the cloud service.
9) Describe Ubuntu One. Discuss why Canonical might have started this service.
The last option Ubuntu One in the ME Menu allows the user to register the computer that the user use with Canonicals free based service. The term cloud based here means whatever the file and folders are stored in Ubuntu one are been stored in Ubuntu server and not in computers. This files and folders can be accessed over the internet from any computer of the world. For performing such operations, the user must have an account with Ubuntu one service. If in case the user does not have the account with Ubuntu One service, then he can create a free account by using simple procedure.
10) Explain the options in the session menu in detail.
The options which are available in the session menu are as follows:-
i) Lock screen: This option is used to lock the system.
ii) Guest Session: This option is used as the session for temporary users. The changes made to the system by the guest user is for temporarily not permanent.
iii) Switch from: It will help the user to switch between different users which are been logged in.
iv) Log out: This helps the user to come out of session.
v) Hibernate: It will put the system in sleep mode.
vi) Restart: It helps the system start again.
vii) Shut Down: To shut down or close the system.
11) What are the uses of the desktop?
Ans: The desk top is an empty space between the top panel and bottom panel which helps the user to display the background picture. Whatever the items are kept on the desktop by the user it gets automatically placed in front of the background. As the desktop is empty, the recently used files and folders, directories, application launchers can be used for the quick access. The items which are placed on the desktop are actually stored in the sub directory named as Desktop in the users’ home directory. Right clicking on the empty place on the desktop will help the user to create the files, folders and application launchers on the desktop. The context menu provides an option to change the desktop background. When we add a removable device, an icon is displayed on the desktop. We may open it by double clicking on it. When we right click on the icon, it help the user to safely eject the removable device from the system.
12) What are the contents of the bottom panel?
Ans: The contents of the bottom panel are as follows:-
i) Show Desktop icon: The show desktop icon is displayed on the left side and the trash icon on the left side of the bottom panel. If you click on the show desktop icon all the opened windows are minimized and clicking again the same icon will open the minimized windows at the previous state.
ii) Trash icon: Trash can is like a Recycle Bin in a system where the deleted files and folders are been stored. It provides the facility of restoring back the files and folders which have been deleted by mistakenly. At the time, the users have to click on the icon to open the trashcan. The items or files and folders which are brought to the trash can we have right click on it. We can see a list of options which will help the user to Cut, Copy or move the items to the specified directory. There is a also a button to empty the trashcan by permanently deleting the items from the trash and cannot be restored back again.
13) What is Trash? What benefit does it provide? What is its major limitation?
Ans: Trashcan is like a Recycle Bin in a system where the deleted files and folders are been stored. It provides the facility of restoring back the files and folders which have been deleted by mistakenly. At the time, the user have to click on the icon to open the trashcan. The items or files and folders which are brought to the trash can we have right click on it. We can see a list of options which will help the user to Cut, Copy or move the items to the specified directory. There is a also a button to empty the trashcan by permanently deleting the items from the trash and cannot be restored back again.
14) What is a theme?
Ans: At home is a set of different display settings. By changing the theme, we may shift from one set of setting to another. The theme tab allows to choose a theme from a list of installed themes.
15) Choose the most appropriate option from those given below:-
1) Which of the following is NOT a Linux desktop manager?
Answer: (D) Brasero
2) Which of the following is a light-weight desktop manager?
Answer: (B) LXDE
3) Right clicking an item brings up:-
Answer: (A) Context menu
4) Which of the following is not a menu in GNOME2’s top panel under Ubuntu?
Answer: (C) Preferences
5) Which of the following is not a part of the top panel in Ubuntu with GNOME2?
Answer: (C) session menu
6) Which of the following is not a part of the bottom panel in Ubuntu with GNOME2?
Answer: D) Notification area
7) Which of the following is not an application category by default in the Applications menu?
Answer: (B) administration
8) Which of the applications is not available in the office?
Answer: (B) Open Office.org Draw
9) Which of the following is not a folder inside the user’s home directory?
Answer: (D) Computer
10) Which of the following is a built-in application launcher in the top panel?
Answer: (C) Help
11) Launchers in the top panel are separated by-
Answer: (B) vertical bar
12) Which menu is identified by the currently logged in user’s name?
Answer: (A) The Me menu
13) The cloud service from Ubuntu is known as-
Answer: (A) Ubuntu One
14) Files deleted from the Nautilus file browser go into-
Answer: (C) Trash Can
15) Which of the following is not a built-in theme for Ubuntu?
Answer: (B) Clear Type