Digital Learning

Thursday, September 10, 2020

CBSE Computer-Class-VII (Solved Exercise-2):

                  Solved Exercise
                  Chapter-2
                  A.    Multiple choice questions:
1.     It contains desktop, download and recent places items.
a.      Favourites                     b. libraries   c. network               d. control panel
Answer: Favourites
2.     These folders contain related files in it like pictures in pictures folder, videos in videos folder.
a.      Favourites                     b. libraries   c. network               d. control panel
Answer:  Libraries
3.     It is used to configure our hardware and software or to change the program setting etc.
a.      Control panel   b. my document    c. my computer       d. themes
Answer:  Control panel
4.     It includes a desktop background, a screen saver, a window border color, and a sound scheme.
a.      Network                        b. explorer              c. wallpaper  d. themes
Answer: Themes
5.     It is designed to help prevent images or text from being burned phosphorus coating into older monitors.
a.      Themes              b. screen saver                  c. reference     d. wallpaper
Answer: Screen saver

                 B.    Write T for true and F for false statements:
1.     Windows explorer is used for management of files.
Answer: T
2.     A file may contain many files and folders.
Answer: T
3.     A method of opening windows explorer is: press windows key+R-----type explorer in run box.
Answer: T
4.     Windows explorer is an operating system.
Answer: F
5.     “Copy” option is used to make a duplicate of an item.
Answer: T

                 C.     Fill in the blanks:
1.     Windows explorer has two panes. These are______________ and ______________.
Answer: Left and Right
2.     ___________ view tells about size, type and date of modified of a file.
Answer:  Content icon
3.     __________ option is used to search files and folders.
Answer:  Search
4.     Calculator can be opened by typing __________ in the run box.
Answer: CalC
5.     _____________ command is used to cut an item from its place.
Answer: Ctrl+X
                 D.    Answer the following question in short:
1.     How many panes are available in window explorer? Write their names?
Answer: Windows explorer has two panes- left pane and right pane.
2.     List the parts of window explorer?
Answer:  
1.     Title bar
2.     Back and forward buttons.
3.     Address bar
4.     Search box
5.     Menu bar
6.     Toolbar
7.     Status bar

3.     How can we create a new folder with the use of keyboard?
Answer:  Press Ctrl+Shift+N keys together.
4.     How can we copy items using copy and paste?
Answer: 
1.     Select the items you want to copy.
2.     Choose copy from the edit or context menu of press Ctrl+C keys.
3.     Specify your destination to paste files.
4.     Choose paste from the edit menu or press Ctrl+V to paste the items.

5.     Write a note on background.
Answer:  Desktop background primarily consists of wallpaper. Wallpaper is a background pattern or picture against which desktop menus, icons, and other elements are displayed and moved around.
6.     Explain screen saver?
Answer:  A screen saver is a software program that becomes activated after the computer is not in use for a specified duration of time.

                E.     Answer the following questions in detail:
1.     What is windows explorer? Give different ways to open windows explorer.
Answer:  Windows explorer is an important application of operating system. It connects us with the files and folders present in computer.
a.     Press windows key+ E button together.
b.     Press windows key---click on all programs----Accessories---windows explorer.
c.      Press windows key+R together-Run box will open- type explorer in run box.

2.     Explain different views of explorer.
Answer:  Title icon view: The item laid out as one or more rows, and each item consists of an icon.
List icon view: The items are laid out as one or more columns, and each item consists of a name, with a small icon just to its left.
Details icons view: Each item consists of a row in a table. The first column contains a name, together with a small icon, and the other columns contain various properties such as size and date modified.
3.     How can we move an item using cut and paste?
Answer:
1.     Select the item you want to cut.
2.     Choose cut form edit menu or press ctrl+X key from keyboard
3.     Specify your destination to paste file.
4.     Choose paste option or press ctrl+V keys. Now cut item will be pasted.

4.     How can we copy items using send to option?
Answer: 
1.     Select the items you want to copy.
2.     Press right button of your mouse, you will see a dialog box choose send to option and select your required place. By default the send to sub menu contains the following destinations:
a.      Compressed folder
b.     Desktop
c.      Documents library
d.     Fax and mail recipients
e.      Devices with removable storage.

5.     Explain the following:
a.     Run command
b.     Search command
c.      Calculator
Answer:  Run Command: Run command is used to run a program directly without going into a long way of selecting options.
Search command: Sometimes we forget the location of our file saved in computer. We couldn’t find when we need it in future. So, searching is a tool to find that file.
Calculator: Calculator is a simple program. It is quite similar to commonly used calculators for calculations.
6.     Write down the steps to change background.
Answer: 
1.     Choose any option from pictures locations.
2.     All background of your selected theme are selected by default.
3.     To use your desired background click on the top left corner.
4.     For picture position click on picture position and choose an option as per your choice.
5.     If more than one background are selected, to change all automatically after some time click on change picture every option and select time as per your choice.
6.     Click on save changes button. Desktop background is set to your choice.

7.     Write down the steps to set screen saver.
Answer: 
1.     Click on screensaver thumbnail.
2.     To set screensaver of your choice click on screen saver button.
3.     For screen saver settings click on settings button and set setting as per your choice.
4.     To see preview of your screensaver click on preview button.
5.     To run a screen saver automatically on your desktop we need to adjust its item.
6.     Click on apply button and then on OK button. Screen saver will be set.

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