1. Computer software

2. OPERATING SYSTEMS
Definition: a powerful, and usually large, program that controls and manages the hardware and other software on a computer.
All computers and computer-like devices have operating systems.

4. Interface
A shared boundary across which two or more separate components of a computer system exchange information.
Occurs between software, computer hardware, peripheral devices, humans and combinations of these
Includes desktop with graphics and the ability to locate files and folders

5. Windows Interface

6. Linux Interface

7. PROGRAMS AND APPLICATIONS
Computer programs designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.
Examples?
Horizontal Apps – popular, widespread, used for general purposes
Vertical Apps – niche, used for specific industry
Web Applications vs. Mobile Applications
Killer Apps – new and popular apps that only run on one type of platform

8. HARD DRIVES AND PARTITIONS
Hard drives use disk partitioning or disk slicing to create different locations to store information.
Partitions are sectors or regions on a hard drive.

9. Horizontal vs Vertical Apps

10. Folders, Files and Paths
Entries or information stored on your computer
Represented by binary coding or icons
Can be saved by used or hidden by computer
Saved in different formats depending on computer
Folders
Store several files in a separate compartment
Option to be hidden or shared over a network
Paths
The direct location of files and folders in a system
Represented by a series of characters including the drive label and the filename or folder name

11. LAN, WAN, MAN & OTHER NETWORKS
Networks – Group/System of Interconnected Computers
Range based on size and scale
LAN - Local Area Network
WAN - Wide Area Network
WLAN - Wireless Local Area Network
MAN - Metropolitan Area Network
SAN - Storage Area Network, System Area Network, Server Area Network,
CAN - Campus Area Network, Controller Area Network, or sometimes Cluster Area Network
PAN - Personal Area Network

12. LAN vs WAN vs WLAN Most known category of networks
LAN: Local Area Network – connects network devices over a short distance
WAN: Wide Area Network – connects networks over large distances
Prime example: The Internet
Routers connects LANS to WAN
WLAN – Wireless Local Area Network – LANs that use Wi-Fi technology

13. NIC – Network Interface Cards
a computer hardware component that connects a computer to a computer network and allows devices to network with other devices
Fits in a slot in the computers motherboard
Provides hardware interface between the computer and the network

14. Router
Routers are small electronic devices that join multiple computer networks together via either wired or wireless connections.

15. Network Topology
The arrangement of various elements of a computer network
Includes nodes, links and different structures of a computer network
Physical Topology - physical link to other devices in network
Logical Topology – how data flows within a given network

16. Wireless Network vs Wired Network
What are some advantages and disadvantages?

17. IP – Internet Protocol Address
Numerical label assigned to each device connected to a network
Identifies the host or network interface and location addressing

18. DNS – Domain Name System
Internet service that translates
domain names into IP addresses
GPS for your computer