شرح ساينس الصف السادس الابتدائي لغات - الفصل الدراسي الثاني
شرح ساينس سادسة ابتدائي - ترم ثاني

لينك تحميل الملزمة
https://drive.google.com/file/d/1YeXB8TsNBZBOSlHCAceP4huD-ZEaoWSA/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This Lesson:
An operating system (OS)


(OS) Importance
▌Coordinates and manages the communication between your hardware and software.
▌Verifies the requirements for each program and the computer components.

A computer component
1. (CPU) The central processing unit
2. Memory and storage


Pre-loaded OS
• When you buy a computer or device, it usually has a pre-loaded OS .
• Most laptops and computers have Microsoft Windows pre-loaded, and this OS is often used in schools and organizations.


macOS®
• Macintosh computers use ► MacOS®.
You have to pay for different software for each of these operating systems and macOS is generally more expensive.



Changing the system setting
• You can change the settings of an OS by using a system settings control.
• These have different names and appearances depending on the OS you are using.
Example:


Windows PC Control Panel
• On most computers you can locate the Control Panel by typing Control Panel into the search box in the taskbar.
• All adjustable hardware and software settings and configurations can be modified
in the control panel.

Example
A- To add a new wireless printer.
1. Select Hardware and Sound
2. Add a device
3. Select the one you want to add to your computer

2- To remove the printer later.
1. Select Hardware and Sound
2. Add a device
3. Select remove


The changes you make in the Control Panel are automatically applied to other software in your computer.
Example
• If you download a new font, you need to use the Control Panel.
In the Control Panel, click on Fonts. This will show you the library of fonts that is installed on your computer.
• You can drag and drop the font file from your Downloads folder into the fonts
library.
Then, when you open any Microsoft Office program, the new font will be available in the fonts drop-down menu .

Installing and removing programs
• Some software installs automatically.
Example:
▌When you plug a new printer into a PC, Windows downloads the correct software so you can use it immediately.
▌It is simple to remove computer programs from your computer using these steps

Windows PC:
• Open the Control Panel.

• Select Programs. Then select Programs and Features.
• Find the program you want to uninstall from the list. Right-click on it or press and hold, then select Uninstall or Uninstall/Change.
• Follow the directions on the screen.

Android devices:


• Open Google Play Store app, then tap on the Profile icon.
• Tap Manage apps & devices, then manage.
• Press and hold the name of the app you want to uninstall, then tap Uninstall.







بالتوفيق
مستر احمد الباشا