overview of computer system
DESCRIPTION
TRANSCRIPT
DEFINITION COMPUTER SYSTEM
• A computer system is defined as combination of components designed to process data and store files.
• A computer system requires hardware, software and a user to fully function.
USER HARDWARE
SOFTWARE
Computer Hardware
HARDWARE
There are three component in hardware:1. Input devices 2. Output devices
3. Storage devices 4.Processor
Input Devices
• Input devices are any electronic device that are connected to a computer and produces input signals such audio, text, video, graphic.
Name : Web camUsed for : Input Video in meeting or conference
Output Devices
• Output is the result of data processing activity when it is presented externally to the system. The output from a computer can be printed or displayed form .
• An output device is hardware that is capable of delivering or showing information to one or more users.
Storage Devices• Information and documents are stored
in a computer storage so that it can be retrieved whenever they are needed later on.
• Computer storage is the holding of data in an electromagnetic form for access by a computer processor.
Processor
• The CPU is an example of a processor. It has the same important as the brain to human being.
Processor• Which processor should you select? The faster the processor, the more expensive the computer
Celeron
Itanium or Xeon
Pentium family
1.3 GHz and up
3.0 GHz and up
2.4 GHz to 3.0 GHz
Up to 2.4 GHz
2.2 GHz and up
Intel Processor Desired Clock Speed
Computer Software
COMPUTER SOFTWARE
SYSTEM SOFTWARE
APPLICATION SOFTWARE
Computer Useruses the computer for any purposes such as work, business
and entertainment.
TEACHERCHILDRENOFFICIER
STUDENTS PARENT BUSSINESS
The End- Q & A -
ACTIVITY : ASSIGNMENT
Discuss in group about example of :-
1. Input Devices
2.Output Device
3. Storage
4. Processor
5. System Software
6. Application SoftwarePresent your work in power point presentation