1. David Abarca, Instructor Del Mar College Computer Science and Information Technology Department Computer Corner Computer Corner

2. A Computer is made up of a collection of various components: Motherboard (Audio, Modem, Video, Peripheral Ports) Memory (Holding area for data being used by the computer) Processor (Central Processing Unit – CPU) Disk Drives (Floppy, Hard Drive, CD, DVD, - For File Storage) Computer Corner

3. All files used by a computer fall into one of three categories: 1. The Operating System 2. The Application Software 3. The Data Files Computer Corner

4. The Operating System Computer Corner

5. The Operating System Controls all the input and output for the computer. Input from Keyboard Mouse Network Interface Card (NIC) Scanner / Digital Camera Digital Media Card Output to Monitor Printer Network Interface Card (NIC) MP3 Player Digital Media Card Computer Corner

6. The Operating System Provides an interface, or means of connection, between the user, the components inside, and the devices attached to computer. Computer Corner

7. 1. The Operating System 2. The Application Software 3. The Data Files Computer Corner Next Week

8. Computer Corner For a copy of today’s presentation, please visit www.cbrsec.com and follow the KIIITV link Please email your questions to: David A. Abarca at dabarca@delmar.edu