Laptop

1
Laptop
2
Processor

• Intel Celeron M Processor 350, 1MB L2 cache,
  Front Side Bus400MHz http//www.intel.com/product
  s/processor_number/info.htm
• What is cache?
• Level 1 CacheA small, fast memory cache that is
  built into the main chip and helps speed access
  to important and frequently-used data.
• Level 2 CacheA collection of built-in memory
  chips, slower than the Level 1 Cache but faster
  than the main memory area. Level 2 (L2) Cache can
  help speed the operation of some applications.
• AMD Sempron(TM) 3000, 128KB L2 cache, Front Side
  Bus400MHz
• http//www.newegg.com/Product/ProductList.asp?Sub
  mitmanufactorymanufactory1028bopandpage1

3
Hard Disk

• Why buy a higher rpm hard drive?
• Rotational speed is a major factor in hard
  drive selection as it determines how quickly data
  can be retrieved.
• Typical rotational speeds are 5400 RPM or 7200
  RPM for desktops, and 4200 RPM or 5400 RPM for
  notebooks.
• The higher the RPM (revolutions per minute),
  the less time youll spend waiting for your
  computer to access files!

4
Memory

• DDR Double Data Rate
• SDRAM Synchronous Dynamic Random Access Memory.
• SDRAM incorporates new features that make it
  faster than standard DRAM.

5
CD or DVD
6
DVD- vs DVD

• Two different formats
• DVD-R/W was the first DVD recording format
  released that was compatible with standalone DVD
  Players.
• DVDR/W has some "better" features than DVD-R/W.

7
Capacity of DVD Video Discs

• DVD-5 a single-sided and single-layer disc which
  holds 4.7 GB of data.
• DVD-9 a single-sided and double-layers disc with
  capacity of 8.5 GB.
• DVD-7 a double-sided and single-layer disc with
  capacity of 9.4 GB.
• DVD-18 a double-sided and double-layers disc
  holds 17 GB.

8
Network

• What is Wireless Networking Card?
• A wireless card is an internal or external card
  for your notebook that allows your notebook to
  connect wirelessly to a wireless-enabled network
  in the office, coffee shops, bookstores, airports
  or your home.
• What is Wireless Router?
• A Wireless Router allows you to share a single
  Internet connection across multiple computers. It
  provides the freedom of placing wireless-enabled
  computers anywhere in the home or office without
  having to install extra cables. You can roam
  freely with your notebook and stay connected
  wirelessly anywhere within your wireless network

9
Wireless Network

• What are the key differences between 802.11b, g,
  a wireless standards?
• 802.11b wireless standard is currently the most
  widely deployed and is the current standard for
  wireless access in public places. (speed is up to
  2Mbps )
• 802.11g is fully compatible with 802.11b wireless
  networks and supports enhanced speeds of up to 5
  times faster than 802.11b. (speed is 20Mbps)
• 802.11a is typically used to maximize capacity -
  supporting a large number of wireless users in
  smaller spaces.. 802.11a however, is NOT
  interoperable with 802.11b or 802.11g. (speed is
  up to 54Mbps)

10
Wireless Adapter