1. Exploring Windows and Essential Computing Concepts - Getting Started 1 Getting Started Essential Computing Concepts

2. Exploring Windows and Essential Computing Concepts - Getting Started 2 Computer Computer is a machine can be programmed to accept data(input) and process it into useful information.

3. 3 Computer System Memory Holds data and programs temporarily Central processing unit (CPU) Executes computer instructions Input Disk Secondary Storage Disk Output Stores the data and programs permanently Which receives data from the outside world Which shows the result to the outside world. ROM,RAM

4. Exploring Windows and Essential Computing Concepts - Getting Started 4 Input Devices Keyboard Mouse Video Camera Others

5. Exploring Windows and Essential Computing Concepts - Getting Started 5 Output Devices u Printer u Monitor u Speakers u Others

6. Exploring Windows and Essential Computing Concepts - Getting Started 6 Front of the Computer CD-ROM Drive Floppy Drive Keyboard Monitor Mouse

7. Exploring Windows and Essential Computing Concepts - Getting Started 7 Inside the Computer u CD-ROM u CPU u Expansion Slots u Floppy drive u Hard disk u Memory chip u Motherboard u Power Supply

8. Exploring Windows and Essential Computing Concepts - Getting Started 8 Back of the Computer u Cooling Fan u Power Supply u Keyboard Connector u Mouse Connector u Parallel Printer Port u Video Connector

9. Exploring Windows and Essential Computing Concepts - Getting Started 9 Secondary Storage u CD-ROM u Tape Backup u Hard disk u Flash Disk u Floppy Disks u DVD

10. Exploring Windows and Essential Computing Concepts - Getting Started 10 Computer components are called the Hardware. The storage area inside the system unit is called Harddisk. Hardware - Harddisk

11. Exploring Windows and Essential Computing Concepts - Getting Started 11 Software u Operating System –MS-DOS –Windows u Application –Word Processing –Spreadsheets –Presentation –Games –Antivirus –Others u Programs –C –Java All data and instructions given to perform a certain operation is called the Software.