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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
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
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
is the actual content of the computer device which can be observed and touched.
Hardware
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
Touch screen is an ……………unit
input & output
………… is a memory that saves data temporarily.
RAM
It contains all the main programs to start the device on (BIOS). Its contents are saved by the producer company.
ROM
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
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
Which one of the following measures the speed of the CPU ?
Gigahertz (GHZ)
The basic elements of a computer system?
Hardware , Software , Data & information, Human
You store space 4.7 G.B
DVD
Set of commands that tells computer what to do , translate between users and computer .
programs
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
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
