LG 14T90Q-K.AAB9U1 User Guide 1 - Page 44

ENGLISH Glossary 43 12 Fingerprint Reader A fingerprint reader is a system that records fingerprints and uses them for user authentication. The fingerprint reader consists of various features that allow the user to enjoy enhanced performance of the Windows system. 13 Format Formatting refers to designating the sectors and tracks on a hard disk so that the PC can write new data to the hard disk. Once you format your disk, all the data on the disk is lost. You must be sure to check your disk before formatting. 14 Hard Disk (HDD) A hard disk is an essential part of the PC. It is an auxiliary storage device that can store massive amounts of data by changing the magnetic properties of the disk surface. It allows random access to the stored data. 15 HDMI (High Definition Multimedia Interface) HDMI is a digital video/audio standard that allows you to send and receive both high-quality video and audio with one cable. 16 Hot Key Hot Key is a combination of keys that executes a certain command in the operating system or an application when pressed. 17 Hub A hub is a device that collects data from one or more places and sends them to other place(s). 18 LED (Light-Emitting Diode) LED is a kind of diode that emits light when electricity flows through it. LED is used in various signaling lamps, such as the LED of a storage device (HDD, SSD, eMMC) that blinks when the disk is being accessed. 19 Local Area Network (LAN) LAN refers to high speed network environments linking companies and households. 20 Operating System (OS) Operating system is a program that is loaded onto the memory by the bootstrap program and manages other software programs loaded later. 21 Partition The storage device (HDD, SSD, eMMC) can be divided into more than one logical partition when formatting. You can install different operating systems in each partition, or use partitions for separate file management or multi-user management. The storage device is generally divided into two partitions, called the C: hard drive. and D: drives respectively. 22 Peripheral Peripherals are computer equipments that are necessary but non-essential, such as a printer, scanners, etc. 23 RAM (Random Access Memory) RAM is a temporary storage device that contains the operating system and any actively running applications so that the CPU can access the data more quickly. The data stored in RAM is maintained only when the PC is turned on. Once the computer is turned off, the data stored in RAM disappears and should be reloaded when the computer is turned on again.