LaptopsAjay Jassi

Purpose of a laptop• There are many reasons why laptops are used. The main

purpose of a laptop is that it’s portable and can be carried around.

• It’s used for businesses, education, entertainment and general internet browsing.

• For employees and students it is very useful as they can finish any incomplete work at home.

Laptop features• Battery• AC power source/input• Integrated display screen in lid• Integrated keyboard• Integrated track pad• Integrated speakers• Hot-swappable drives and peripherals• Bluetooth• Standby mode• Built-in webcam

Features• Laptops nowadays have these common features: Wi-Fi,

Bluetooth, Fire wire, USB, Ethernet which allows a wide range of connectivity.

USB and Fire Wire• These components allow the use of hot swappable devices,

such as external HDD’s or USB sticks, this also expands to external mouse.

How usb and firewire works• The two different connections allow a wired interface, this

improves security and the reliability of the data transfer.• USB allows the use of a wireless USB dongle, this allows you to

use a wireless mouse or keyboard.• Both connections allow connection to peripherals.

Power• The laptop has a battery in which it stores power.• To conserve power you can turn the brightness down and to

use power saving mode which most laptops have.• Processors have been made specifically for laptops to prevent

overheating and power loss.

How power works• The Battery in a laptop allows the laptop to be versatile and

not always connected to a power source.• The power connects to an AC power supply to charge. And

could hold on average around 5 hours of general usage.

Wi-Fi• Wi-Fi stands for wireless area local network.• Wi-Fi is used every day by millions of people, it allows you to

connect to the internet without the hassle of wires. It is built in to most laptops.

• With some older laptops, a wireless nic is required to do this.

Bluetooth• Bluetooth is built into new laptops, whereas in older laptops a

dongle will be needed. Bluetooth is used to transfer and receive files without any cables. This works by special radio frequencies that transmit from one device to another.

Built-in webcam• In all laptops and netbooks these days, webcams are built-in

which allows video calls, photos and movies to be made.

Integrated track pad• With laptops and netbooks, a mice isn’t required to use the

cursor as there is a integrated track pad which allows the same job to be done.

Integrated speakers• With laptops no additional speakers are required as there is

built in speakers in the laptop, which produces enough sound. But however if more sound wants to be produced there are speakers which are specialist for laptops.