Monday, 24 August 2015

revision of term 1 test class 4A and 4B


25.8.2015 Revision ( Chapter 1 and 2)
Q1. Draw and label the following on MS Windows 7 desktop. a) ICONS, b) GADGETS, c) TASKBAR, d) START BUTTON, e) SHOW DESKTOP BUTTON, f) ICONS, g) DESKTOP BACKGROUND/ WALLPAPER
 
Q2. Give examples of the following:-
a)INPUT DEVICES:- Joystick, Mouse, Keyboard, Scanner, microphone etc.
b)OUTPUT DEVICES:- Monitor, printer, speakers, plotter etc.
c)STORAGE DEVICES:- Pen drive, CD ROM, Floppy disk Memory Card, Hard disk etc.
d)OPERATING SYSTEM:- Windows 7, Windows 8, Linux, Unix, MS DOS, Windows XP etc.

Q3. Give definition of the following:-
a) FILE:- It is a collection of data stored on some storage device.
b) FOLDER:- A place where many files and folders are stored is called folder.
c) MEMORY:- The data and instructions that are entered into the computer system is stored in memory.

Q4. Give full forms of the following:-
a) CU:- Control Unit
b) GUI:- Graphical User Interface
c)ROM:-Read only memory
d)RAM:-Random Access memory
e)CPU:-Central Processing Unit
f)CD:- Compact Disk
g)MU:- Memory Unit
h)ALU:- Arithmetic Logical Unit
i)Ctrl:- Control Key
j)Esc:- Escape Key
k) IPO:- Input-> Processing -> Output

Q5. Answer in one or two word(s):-
1.Which company developed Windows 7? Ans. Microsoft.
2.Which commands are used to move the place of a file ? Ans. Cut, paste
3.Which are two types of memory?Ans. Primary and secondary.

Q6.Fill in the blanks :-
a)Windows confirms before _____ the folder. Ans. Deleteing
b)Subtracting two numbers is _____. Ans. Processing.
c)The result you get after processing is ____. Ans. Output
d)All internal parts including CPU are attached to ___ Ans. Motherboard.
e)_________ gives result on paper. Ans. Printer.
f)______ is used to play games on computer. Ans. Joystick.
g)Input devices are used to enter ______. Ans. Data.
h) ______ is changing the name of the file. Ans. Rename.

Q7. Answer the following:-
a)Which option is used to change display settings of computer?
Ans. Control Panel is used to change display settings of computer.

b) Write steps to be followed to create a folder.
Ans. Step1:- RIGHT click the mouse.
Step2:- Click the NEW option.
Step3:- Click the FOLDER option. Give it desired NAME.

c)Write steps to copy a file or folder.
Ans. Step1:- Select the file or folder.
Step 2:- RIGHT click the mouse and click the COPY option.
Step 3:- Select the LOCATION where file is to be copied and DOUBLE CLICK to open it.
Step4:-RIGHT click the mouse and click PASTE option.

Sunday, 23 August 2015

revision for ch 1 and ch 2


Revision for ch 1 and 2

Q1. give full forms for the following
  1. CPU central processing unit
  2. CU control unit
  3. ALU arithmetic and logical unit
  4. ROM read only memory
  5. MU memory unit
Q2. What are storage devices?

Q3. Which memory is the main memory of the computer?
Q4.Write any two examples for the following
  1. input devices: Keyboard, mouse
  2. output devices: printer, monitor
  3. storage devices: pendrive, cd
  4. versions of windows: windows 7, windows 8
  5. types of computer's memory: primary, secondary

    Q5. What is IPO cycle?

Q6. Write steps to copy afile/folder.

Q7.Write names for the following
  1. to remove your file delete option
  2. to move your file cut, paste
  3. to change the name of your file rename
  4. to make a duplicate copy of your file copy, paste
  5. place to save many files and folders folder
  6. Which option is used to change display settings properties
  7. Which company developed windows Microsoft
  8. background picture of the desktop Wall paper

Q8. draw the desktop screen and label the following
start button, background, icon, taskbar

Sunday, 2 August 2015

Chapter 4 ( Class 4A and 4B)


KEYBOARD SHORTCUTS
  1. Press Ctrl + A to select all text.
  2. Press Ctrl + C to copy text.
  3. Press Ctrl + V to Paste text.
  4. Press Ctrl + X to cut text.
  5. Press Ctrl + B to Bold.
  6. Press Ctrl + I to Italicize
  7. Press Ctrl + U to Underline.
  8. Press Ctrl + E to Center align.
  9. Press Ctrl + L to Left align.
  10. Press Ctrl + R to Right align.
  11. Press Ctrl + J to Justify.
  12. Press F7 to check spelling and grammar.
  13. Press Ctrl + Z to undo.
  14. Press Ctrl + Y to redo.
  1. Press Ctrl + S to save the document.
  2. Press Ctrl + N for creating new document.
    17. Press Ctrl + Shift + L to apply default bullets.