INTRODUCTION:
Laptops are the personal computer for mobile use. A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device and speakers into a single unit. A laptop battery in new condition typically stores enough energy to run the laptop for three to five hours. INTRODUCTION
Classifications:
Classifications
Classifications:
Full size : A laptop large enough to accommodate a "full-size" keyboard. Netbook : A smaller, lighter, more portable laptop. It is also usually cheaper than a full-size laptop, but has fewer features and less computing power. Tablet PC : these have touch screens which can be rotated to use the keyboard. Rugged : Engineered to operate in tough conditions . Classifications
Components:
Motherboard : Laptop motherboards are highly make and model specific, and do not conform to a desktop form factor. CPU : Laptop CPUs have advanced power-saving features and produce less heat than desktop processors, but are not as powerful. Memory (RAM) :most midrange laptops are factory equipped with 3–4 GB of DDR2 RAM, while some higher end notebooks feature up to 8 GB of DDR3 memory. Components
Components:
Power supply : Laptops are typically powered by an internal rechargeable battery that is charged using an external power supply. Display : Most modern laptops feature 13 inches (33 cm) or larger color active matrix displays based on CCFL or LED lighting with resolutions of 1280×800 (16:10) or 1366 × 768 (16:9) pixels and above. Components
Advantages:
Size : Laptops are smaller than desktop PCs. Low power consumption : Laptops are several times more power-efficient than desktops. A typical laptop uses 20–90 W, compared to 100–800 W for desktops. Quiet : Laptops are often quieter than desktops. Battery : a charged laptop can continue to be used in case of a power outage and is not affected by short power interruptions and blackouts. Advantages
Disadvantages:
Compared to desktop PCs, laptops have disadvantages in the following fields: Performance Upgradability Durability Security and Privacy Disadvantages
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