Presi Backing Storage 04032016 Storing Data In a

Presi Backing Storage 04/03/2016

Storing Data In a computer system there are two types Data : - Lost when the PC reboots Generally stored in RAM Non Volatile – Permanent Can be reloaded when the PC reboots Some times stored in ROM, like the System BIOS Generally stored on Disk Drives, USB Pens, Optical Disc or Magnetic Tape * Storing Non Volatile Data is usually referred to as Backing Storage * Presi Volatile – Temporary

Types of Backing Storage Backing storage is categorized in three ways : Magnetic Presi Tapes Disk Drives Optical CD DVD Blue Ray Electronic USB Sticks Flash Memory Card SSD, s (Solid State Drives)

Interesting Video Clips 1 Presi Video Clip 1 – HDD vs SSD http: //www. youtube. com/watch? v=rj. Cm. LJt. ITK 4&feature=related

Class Activity 4 - Data Storage Statistics Using the Internet to research the IT components market for the following storage device types Look at what is currently available NOT what is historically available. Magnetic Internal Disk Slowest/Smallest Fastest/Biggest Seek Time between 0. 08 and 0. 16 ms Capacity 64 GB Transfer Rate 432 Mbit/s Optical Presi DAT Tape Slowest/Smallest Fastest/Biggest Read Speed Capacity Read/Write Speed Capacity Transfer Rate CD DVD Blu Ray Electronic USB Sticks Flash Memory Cards SSD (Solid Stage Disks) Transfer Rate

Stretch challenge Extension Task/Homework Video Clip 3 – Motherboard Manufacturing http: //www. youtube. com/watch? v=_X-646 cbhvo&feature=related • Watch the above video and create a 3 slides using Power. Point or Prezi explaining the following: • How CPU[central processing unit are manufactured? • What material is CPU made up? • How motherboard are manufactured. Presi Video Clip 4 – How a Cpu is made http: //www. youtube. com/watch? v=-GQmt. ITMdas&feature=related