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2.1 MOBILE DEVICE, Laptop Communication Methods - Coggle Diagram
2.1 MOBILE DEVICE
Components of a laptop
- Integrated display screen in lid
- Integrated keyboard
- AC power source or rechargeable battery
- Hot-swappable drives and peripherals
- PC Card or ExpressCard slots
- Status indicators, ports, slots, connectors, bays, jacks, vents, and a keyhole are on the exterior of the laptop
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Laptop
- are types of portable computers.
- its compact size. The design of the laptop places the keyboard, screen, and internal components into a small, portable case.
- can be used to take notes in school, present information in a business meeting
Laptop Display Types
Four types of laptop displays:
- LCD (Liquid Crystal Display)
- LED (Light Emitting Diode); uses less power and has a longer lifespan than LCD monitors
- OLED (Organic LED)
- Plasma; rarely used in laptops due to high power consumption
Backlights, Inverters and Wi-Fi Antenna
- The Inverter converts DC power to the higher voltage AC power that is required by the backlight
- Backlight shines through the screen and illuminates the display. (cold cathode fluorescent lamp (CCFL) and LED.
Cold cathode fluorescent lamp (CCFL) are used in LCD monitors)
- Wi-Fi antennas transmit and receive data carried out over wireless signals, typically located above the screen,
Virtual Laptop
a stand-alone tool designed to;
- supplement classroom learning.
- provide a virtual “hands-on” experience where real equipment is limited.
Laptop Components
Monitor, Fn key, and Function keys F1 through F12
- A laptop monitor is a built-in LCD. A desktop monitor can be added to a laptop
- Fn key is used to activate a second function on a dual-purpose key. (accessed by pressing the Fn key in combination with another key is printed on the key in a smaller font or different color.)
- The purpose of the Function keys F1-to-F12 depends on the operating system and the application running
- Port Replicator (may contain a SCSI port, a networking port, PS/2 ports, USB ports, and a game port)
- Docking Station (has the same ports as a port replicator, but adds the ability to connect to PCI cards, additional hard drives, optical drives, and floppy drives)
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