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© ExplorNet’s Centers for Quality Teaching and Learning 1 Explain hardware and display components for laptop configuration. Objective 105.03 Course Weight 3%
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© ExplorNet’s Centers for Quality Teaching and Learning 2 What to Build into a Laptop Not much interchangeable. The trade-off paradox: More capable = less battery life. Battery Users: Bigger screens Brighter screens Faster CPU Faster RAM Discrete GPU
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© ExplorNet’s Centers for Quality Teaching and Learning 3 Battery All Li Ion. Number of cells can differ. More cells longer run time per charge. Apple custom battery. Average lifetime 2-3 years based on 1000 charge cycles.
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© ExplorNet’s Centers for Quality Teaching and Learning 4 CPU & RAM CPU Some are BGA and are soldered to the motherboard. Most are LGA and PGA allowing them to be changed. This offers upgradability, but choices are slim. Often the sockets for laptops differ from those in desktops so CPUs cannot be interchanged. RAM More is better. Higher frequency drains power.
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© ExplorNet’s Centers for Quality Teaching and Learning 5 Storage Bays & Connectors Laptops usually have room for one storage drive. Many 17” or larger models have two drive bays. Many of today’s laptops have a mSATA or m.2 slot on the motherboard. Small connectors that support small form factor (SFF) SSDs for caching or as a primary drive.
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© ExplorNet’s Centers for Quality Teaching and Learning 6 Storage Drives Most are equipped with 5400 RPM HDDs. 7200 RPM is more desirable. Hybrid drives are another reasonable option. Hybrid means a regular HDD with some solid state storage for caching of most frequently used information. Pure SSDs are the best option for laptops. Not susceptible to movement damage like HDDs. Require very little power. Offer amazing performance.
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© ExplorNet’s Centers for Quality Teaching and Learning 7 Optical Drives One optical drive on most laptops. DVD dual layer burners are common. Slim models (ultra books, MacBook Air) do not have optical drives. Blu-ray option is quite appealing. Use high capacity disks for back up storage. High definition movie viewing. Effect on battery. Mechanical motors require power to operate. Digitally stored movies are better for battery life.
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© ExplorNet’s Centers for Quality Teaching and Learning 8 Graphics Integrated graphics are recommended as discrete GPUs drain battery rapidly. Intelligent Switching - A technology that is implemented uniquely by each vendor that allows the integrated and discrete graphics of a PC to work together. Often helps laptops to save power by switching to integrated graphics when the demand for graphics performance is low. AMD Hybrid Switching Nvidia Optimus Lucid Virtu
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© ExplorNet’s Centers for Quality Teaching and Learning 9 Casing An often overlooked specification. Durability is heavily impacted by the construction of the laptop casing. A laptop shell that is manufactured from a single piece of metal: Provides structural stability. Heat dissipation. “Unibody” (video) designs offer advantages.Unibody
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© ExplorNet’s Centers for Quality Teaching and Learning 10 Displays LED backlighting: Brighter source of light. Great for battery. Aspect Ratio & Resolution: Nearly all laptops today have a widescreen aspect ratio. 16:9 16:10 (slightly taller)
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© ExplorNet’s Centers for Quality Teaching and Learning 11 Displays Low cost configurations usually feature 1366 x 768 resolution. Mid range configurations may have 1600 x 900 resolution. High end configurations have full HD 1920 x 1080 or higher. At small screen sizes (<15”) it is costly to create HD screens. Placing the same number of pixels in a reduced space means that the pixels must be smaller and therefore more expensive to manufacture.
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