Series: Comptia A+ (Plus) 220-1001 Series

Laptops use Direct Current (DC) to operate. AC comes out of the wall. You’ll need an AC adapter to convert AC to DC.

Most common batteries used in laptops are Lithium Ion (Li-ion) batteries. You don’t need to discharge the entire battery before charging it back up. Every time you charge the battery…

The touchpad can be used in place of a mouse. The touchpad is generally placed just under the keyboard. It usually includes a left and right button that function the…

Many of the laptop frames are made of plastic because of its lightweight nature. Plastic is also inexpensive and durable. Other laptop manufacturers may opt to use a metal aluminum…

Laptop speakers are generally built in. Due to their smaller nature, the sound quality of the laptop speakers is not the greatest. Laptop speakers may often include stereo audio meaning…

The system board in a laptop is proprietary and specifically built to fit into the laptop. You’ll need to replace the entire system board if anything goes wrong on it….

CPUs for laptops are designed to use as little power as necessary. They are also designed to generate as little heat as possible because of the difficulty in cooling laptop…

LCD LCD stands for Liquid Crystal Display. The majority of laptops today use LCD displays. A backlight shines through liquid crystals, color filters, and other components to display the text…

Section 1.2 of the CompTIA A+ 220-1001 exam objectives, lists installing the WiFI antenna connector and knowing its placement. Placement Most laptops today come with built in Wi-Fi antennas. The…

Modern laptops come with built in webcams.