25/04/2018
OS
Operating System (windows, linux, MAC) software that controls the ex*****on of computer programs
POST
Power On Self Test
BIOS
Basic Input/Output System
MBR
master boot record
RAM
Random Access Memory the working memory of a computer. Nothing is stored when switched off
NTLDR
NT loader a required boot file that loads the selected operating system into RAM
BOOT.ini
a required boot file for Windows operating systems through XP, containing configuration information for a boot menu
Software
the lines of code that make a program
Hardware
the physical parts of the computer
Input devices
keyboard, camera, mouse, biometric, microphone, scanner
Output devices
monitor, speakers, printer, projector, headphones
CPU
Central Processing Unit - the brain of the computer
Bit
the basic unit of a computer - 0 or 1
NIC
Network Interface Card - the part of a computer that allows us to connect to other computers or the internet.
HDD
Hard Disk Drive - where data is stored in a computer. the Operating system in particular.
DVD
Digital Versatile Disk - an optical drive used to store large amounts of data like films etc....
CLI
Command Line Interface - where you have to type commands into a computer from a keyboard
GUI
Graphical User Interface - where you use a mouse to move around the screen and click on icons to make a program work
ESD
Electrostatic Discharge - static electricity that can damage computer parts
Kernel
The part of the operating system that interacts with the hardware
