GRADE FIVE COMPUTER STUDIES REVISION NOTE

Note: This revision note is an extract of the term’s work. I advise pupils to equally use their notes where necessary based on the area of concentration. 


The Mouse is used to point object, select items and programs on the computer screen. Other functions of the Mouse include click, right click, double click, drag etc. The small moving arrow is called a pointer.


Utility programs
i)File compression: This is a software that reduces or shrinks the size of a file.

ii)screen saver: This is a moving image or blank screen on the Monitor if no Mouse or Keyboard actions occurs for a short specified period of time. The time for this action can be adjusted.

iii)Disk scanner: It searches  and removes unwanted files from the computer.

Desktop is the area on the computer screen where the Icons are displayed after the computer has booted.

Applications/functions of the Desktop.
i)It is used to starts a program
ii)It is used to creates a folder
iii)It is used to deletes folder
iv)It is used to shuts down the computer

Recycle Bin is a container that stores deleted files.


Types of Desktop Icons.
1.Object Icons eg.my computer, recycle bin and internet explorer.
2.Shortcut Icon: eg.my document, applications and folder. My document Icon
Contains files and folders that are stored in the computer. File Icon represents saved files in the computer’s memory with an Icon on the Desktop.

Excel application is designed to solve mathematical problems.

Micro soft word is a word processing application used to prepare document.

To protect and unprotect data in excel.
-Protect data
On the menu bar click review
Select protection
Click protect sheet
Type in password
Click ok
Re- enter password
Click ok
Type in sheet     Error message will be displayed.

-Unprotect Data
On the menu bar click review
Select protection
Click unprotect sheet
Type in password
Click ok.


Computer background is also known as the wall paper. This is the image display you see at the back of your desktop.
The formular bar displays the position of the cell pointer.
KEYBOARD SHUTCUT CHECK YOUR NOTE