1. Memory and Hard Drives IT190 Foundations in Information Technology

2. Unit 4 Checklist  Complete Assignment  Complete Discussion Board Remember to make your first post before Saturday Post on three different days Check for spelling and grammar Be professional  Flexible Learning Activity Seminar or Quiz IT190 Foundations in Information Technology

3. Unit 4 Objectives  Differentiate between memory types  Discuss the process to replace memory  Compare hard drive technologies  Perform preventative maintenance IT190 Foundations in Information Technology

4. Agenda  Primary vs. Secondary Storage  Memory  Upgrading memory  Hard drives  Hard drive interfaces  Installing hard drives  Partitioning  Hard drive maintenance IT190 Foundations in Information Technology

5. Storage  Primary RAM ROM  Secondary Hard drives IT190 Foundations in Information Technology

6. Memory  System RAM SRAM DRAM SDRAM ○ DDR SDRAM RDRAM  Cache Level 1 (primary) Level 2 (secondary)  Virtual memory IT190 Foundations in Information Technology

7. Upgrading Memory  Why upgrade?  What kind of memory? DIP ○ SIMM ○ DIMM SODIMM  How much memory? OS requirements Software Type of user IT190 Foundations in Information Technology

8. Memory  System Information IT190 Foundations in Information Technology

9. Hard Drives  What is a hard drive?  How does a hard drive work? Platters ○ Tracks ○ Sectors ○ Cylinders ○ Clusters IT190 Foundations in Information Technology

10. Hard Drive Interfaces  IDE/ATA PATA SATA  SCSI IT190 Foundations in Information Technology

11. Installing Hard Drive  PATA Single Master Slave Cable select  SATA  SCSI Set SCSI ID Proper termination Connecting proper cables IT190 Foundations in Information Technology

12. Partitioning  Why partition Appears as multiple drives Organizes hard drive for different types of programs Allows easy backups Uses the hard disk to its fullest capacity  FAT file system  NTFS file system IT190 Foundations in Information Technology

13. Hard Drive Maintenance  Fault Tolerance RAID  Preventative Maintenance CHKDSK/SCANDISK Disk cleanup Backup Defragmentation IT190 Foundations in Information Technology

14. Questions? IT190 Foundations in Information Technology