اللي تعرف تقرا انقلش تفضل

[الشامخة بعزها]

أخواني وأخوتي لو سمحتوا أبغى منكم تقرا هذا الجمل لاني ولاأسف قرأتى الانقلش فشلة أبغكم وانتم تقرأ تكتبونه بالعربي مثل : The -ذي كذا أن شاء الله فهمتوني انتبهوا مش ترجمة لاني عندي اختبار








Hardware: The term hardware refers to the physical
components of your computer


oftware: The software is the instructions that makes
The computer ****.
.
Information Technology (IT) :****ing in IT
Types of Computer
What is a mainframe computer?
What is a mini- computer?
What is a super- computer?
What is the difference between a PC and a Mac?
PC(Personal Computer)

In the early days, most PCs ran an operating system

Called DOS (Disk Operating System). These days

Most PCs will be running a version of Microsoft

Windows(Windows95, Windows98,
NT or Windows2000).

The Apple Mac is a computer, but NOT a PC.
It uses a different operating system.
What is a net****ed computer?

A net**** allows
You to connect two or more computers together.

This allows data stored on one PC to be retrieved
Dy other PCs connected to the net****.

What are laptop & palmtops computers?


Laptop computers as the name implies are small,

VDUs (Visual Display Units) VERY small laptop
What is the difference between intelligent and terminals?

PCs CPU (Central Processing Unit







The system Unit: The (the that houses the main PC box system Unit)is the name given to that houses the various
Elements that go together to make up the PC

















The system (Mother)Board : The system (mother)board in contained within your system unit and all the
Vital computer systems plug directly into the
System board.
































The CPU: The CPU(Central Processing Unit) is
Normally an lntel Pentium(or **********alent) and it
Is one of the most important components within
Your computer.






























Memory(RAM) The RAM (Random Access Memory)









ROM-BIOS; (Read Only Memory- Basic lnput
Output System).


































Serial port

Parallel port


Universal serial Bus (USB)





The Monitor


The keyboard


CDROM Compact Disc- Read Only Memory)


DVD Drives : (Digital Versatile Disc) allows you
To use DVD disks.



Hard (Fixed) Disk: Hard disk are the main, large
Data storage within your computer hard disk are used
To store your operating system, your application
Programs.Thay are much faster than CD-ROMs
And floppy disks and can also hold much more data.




Sound cards and speakers

Modems:A modems is a device that is used to attach
Your computer to the telephone system.


Printers:





Scanners.


Recordable CDs.

Tape backup:A tape backup unit allows for regular
Backing up of your data.These tapes can store a vast
Amount of data at low cost.



What are input devices? Input devices allows you to
Input information to the computer and include things
Such as the mouse.



What are output devices? Printer monitor.


The CPU (central processing unit): The CPU is the
Brains within your computer.(RAM-Random Access
Memory)


The Mouse.

The Keyboard

Tracker Balls: is an alternative to the traditional
Mouse and favored by graphic designers.









Scanners ; allows you to scan printed material and convert it into a file format that may be used within the PC.you can scan pictures and then manipulate








Touch pads: is a device that lays on the desktop and
Responds to pressure.






Light pens: light pen is used to allow users to point to areas on a screen and is often used to select menu choices

Joysticks: Many games require a joystick for the proper
Playing of the game.




Wed cams: mounted on the PC montor to allow two- way
Communication involving not just text communication
But sound and video Communication as well.






































Digital cameras: the images are stored digitally in memory housed within the camera.






The VDU computer or screen: visual display unit is the computer screen used for outputting information in an
Understandable format for humanns.














Flat screen monitors>


Screen size>

What is VGA Super VGA and XGA ? VGA(video graphics array ) XGA(or XGA compatible)









































Graophics for games

Computer presentation projection devices.


Different types of printer



Laser printers


Color laser printers



Inkjet printers


Dot matrix printers



Printer memory.



Cost of printer peripherals.



Plotters:




The system Unit: The (the that houses the main PC box system Unit)is the name given to that houses the various
Elements that go together to make up the PC

















The system (Mother)Board : The system (mother)board in contained within your system unit and all the
Vital computer systems plug directly into the
System board.
































The CPU: The CPU(Central Processing Unit) is
Normally an lntel Pentium(or **********alent) and it
Is one of the most important components within
Your computer.






























Memory(RAM) The RAM (Random Access Memory)









ROM-BIOS; (Read Only Memory- Basic lnput
Output System).


































Serial port

Parallel port


Universal serial Bus (USB)





The Monitor


The keyboard


CDROM Compact Disc- Read Only Memory)


DVD Drives : (Digital Versatile Disc) allows you
To use DVD disks.



Hard (Fixed) Disk: Hard disk are the main, large
Data storage within your computer hard disk are used
To store your operating system, your application
Programs.Thay are much faster than CD-ROMs
And floppy disks and can also hold much more data.




Sound cards and speakers

Modems:A modems is a device that is used to attach
Your computer to the telephone system.


Printers:





Scanners.


Recordable CDs.

Tape backup:A tape backup unit allows for regular
Backing up of your data.These tapes can store a vast
Amount of data at low cost.



What are input devices? Input devices allows you to
Input information to the computer and include things
Such as the mouse.



What are output devices? Printer monitor.


The CPU (central processing unit): The CPU is the
Brains within your computer.(RAM-Random Access
Memory)


The Mouse.

The Keyboard

Tracker Balls: is an alternative to the traditional
Mouse and favored by graphic designers.









Scanners ; allows you to scan printed material and convert it into a file format that may be used within the PC.you can scan pictures and then manipulate








Touch pads: is a device that lays on the desktop and
Responds to pressure.






Light pens: light pen is used to allow users to point to areas on a screen and is often used to select menu choices

Joysticks: Many games require a joystick for the proper
Playing of the game.




Wed cams: mounted on the PC montor to allow two- way
Communication involving not just text communication
But sound and video Communication as well.






































Digital cameras: the images are stored digitally in memory housed within the camera.






The VDU computer or screen: visual display unit is the computer screen used for outputting information in an
Understandable format for humanns.














Flat screen monitors>


Screen size>

What is VGA Super VGA and XGA ? VGA(video graphics array ) XGA(or XGA compatible)









































Graophics for games

Computer presentation projection devices.


Different types of printer



Laser printers


Color laser printers



Inkjet printers


Dot matrix printers



Printer memory.



Cost of printer peripherals.



Plotters:








Speakers]






Internal hard disks>
Capacity: often in excess of 10 gigabytes.A gigabyte is **********alent to 1024 megabytes.




External hard disks: Speed: Normally slower that internal disks


Cost: More expensive than internal disks.


Zip drives[

Diskettes (floppy disks): Speed: very slow!

Capacity: Normally 1.44 Mbytes.

Cost: very cheap

CD-ROM Disks: Speed: Much siowes than hard disks.


Capacity:Around 650 Mbytes.

DVD Drives: Speed: Much faster than CD-ROM drives but not as fast as hard disks.


Capacity: up to 17 Gbytes.

What is the difference between internal and extenal haed disks?

Internal hard disks are located inside your main computer
Unit, while external hard disks are joined to the main computer unit.Other extenal haed disks require the installation of a special card within your computer that
Allows the connection of the extenal haed disks to the
computer unit.
















What is RAM?
Random Access Memory (RAM) is the main working memory used by the computer.Commonly modern computers are supplied with over 64 MB of RAM.
























What is ROM?
Read Only Memory




What is the ROM-BIOS?
The Read Only Memory Basic Input Output System.









بنات الله يعطيكم العافية ابغى كتبة ان شاء الله فهمتوا


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