An operating system
is the most important software that runs on a computer. It manages the
computer's memory and process, as well
as of its software and hardware. It also allows you to communities with the
computer without knowing how to speak the computer's language. Without
operating system, a computer is useless.
Types
of Operating System.
As computer have
progressed and developed , So have their operating systems. Below is a basic
list of the categories of operating system will fall into more than one of the
below types.
. GUI-Short for graphic User Interface, a GUI
operating system contains graphic and icon and is commonly navigated by using a
computer mouse. Examples of GUI operating system are: System 7.x, Windows 98,
Windows CE
. Multi-user-A multi-user operating system allows
for multiple users the same computer at the same time and different times.
Example of operating system that would fall into this category are: Linux,
Unix, Windows2000.
. Multiprocessing-As operating system capable
of supporting and utilizing more than one computers processor. Examples of
operating system that would fall into this category are; Linux, Unix, Windows
XP.
.Multitasking- An operating system that is
capable of allowing multiple software processes to run at the same time.
Examples of operating system that would fall into this category are: Linux,
Unix, Windows XP
User
interface
Visual part of
computer application or operating system through which a users interacts which
a computer or a software. IT determine how commands are gives to the computer
or the program and how information is displayed in the screen. Three main types
of user interfaces are
(1)n Commands
language ; the user must knows the machine and program-specific instr;
uctions or codes.
(2) Menus: user
interface (GUI): user gives commands by selecting and clicking on icons
displayed on screen
(3) Graphical user
interface (GUI): user gives commands by selecting and clicking in icons
displayed on the screen. See also interface.
Create,
Copy , Move and delete Files and Folders
. To create a new file or folder right lick the
mouse on the screen of the desktop. Click the new button. Click the folder or a
file you want to course.
. To delete a file
or folder select the file and folder the file and folder and press delete
button. You will be asked for yes or no. Select yes and file or folder will be
deleted.
Use
of External memory like pen drive, CD< DVD etc.
A pen drive is a
small self-powered drive that connects to a computer directly through a USB
port. This device enable you to read, write, copy, delete, and move data from
USB flash drives (Pen drive) to the hard disk.
Drive of your
computer and back again.
CD/DVD is anther
alternatives for carrying data, however it cannot store as much data as is
stored is a pen drive. CD (Compact Disc) is a storage medium with a greater
audio-visual data storage capacity than the of the CD of the same dimensions.
Copying
filer from a pen drive to the computer
Step 1. Once you have opened the storage device
, you can see all fifes and folders stored Within the device. Select the files
or folder you Want to copy by clicking on them.
Step2. To select more than one file/folder,
keep the CTRL key pressed while you select all the files you
Wish to copy in the
computer.
Step3. Right- click on the files or folders you
have selected and select Copy.
Alternatively, you may
Open ``Edit`` menu
in the menu bar and select ``Copy.
Step 4. Open My Documents or the location to
Which you want to transfer the files and folder from the device. For example,
we will select E: Drive.
Step 5. Click
no the Edit menu in the tool bar
then select paste
Step 6. the selected files and folders are
copied to the computer in a few moments.
(share and care)
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