......................... can contain files and sub folders.
Folders
is responsible for doing any logical and mathematical processes which lead to data Processing according to the orders and instructions of the different programs.
CPU
To convert from byte to bit
multiply by 8 (*8)
Operating systems for mobile phones may be open source or closed source . OS & applications are very important for users when they want to buy mobile phone .
Android
is a color or image that can be changed by the user.
Background
One of the most famous operating systems and more common for personal computer.
Windows
Which one of the following measures the speed of the CPU ?
Gigahertz (GHZ)
You store space 4.7 G.B
DVD
Programs that we can't see its source code , it is available only for programmers & designers or the company that own this programs , it is not free programs , we can't use it without license .
Closed Sources Programs
It contains some different commands and instructions in the form of menus, graphics , tool bars and the basic input unit is the mouse that makes computer more interesting.
GUI
Its trial programs used for a certain time and after this time you can buy it .
Shareware
small symbols used in running different programs quickly as soon as you double click the left button of the mouse.
Icons
It has a Serial number for security and property rights .
Original source programs
Set of commands that tells computer what to do , translate between users and computer .
programs
Touch screen is an ……………unit
input & output
is the actual content of the computer device which can be observed and touched.
Hardware
To convert from bit to byte
divided to 8 (/8)
can be used in most computer systems as a unit of measuring data. It is used to represent a letter or a symbol. It consists of 8 bits.
BYTE
Data are processed by classifying, organizing and analyzing to have sense to achieve certain goal (objective). They may be in the form of reports, tables and charts ……….. etc.
information
The basic elements of a computer system?
Hardware , Software , Data & information, Human
is an operating system specified for apple Mac devices that is attractive and easy to use.
Mac OS X
It is specified for apple devices , its GUI is attractive & easy for use .
MAC Operating system:
They are set of facts that can be obtained by observation or watching. These data can be text ,number ,character, image , video ,audio..etc .
Data
Who write programs according to the specifications that determined by computer software engineers and system analysts. Using different programming languages such as Java, C++.
Programmer
It is used to store data that can be retrieved (got back) at any time the according to the user's need. The contents can't be lost when the electricity turns off.
Storage unit
a set of programs responsible for managing the Hardware moreover, it is considered a means between the user and his programs on one hand and the Hardware on the other hand.
Operating system
………… is a memory that saves data temporarily.
RAM
It is called "Terminal" in some operating systems where the user prompts commands to the operating system from command prompt using the keyboard.
Command Prompt:
It contains all the main programs to start the device on (BIOS). Its contents are saved by the producer company.
ROM
It is an electronic set which has the ability to store data and process them to reach certain results {information} by doing logical and mathematical processes
computer
Programs that we can see its source code and we can edit and develop it , it is free programs ,all users can use it without license like Libra Office, Gimp , Open shot .
Open Sources programs
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