threats to my computer

Unauthorized Access : This is access to connect to or use a system without permission of the owner. This is also called hacking.

Internet & Email : This can be a threat because attachments with viruses can be sent to your Email. You should not open an attachment that you do not know who it's by. If you are on a website you can download a virus or it can download without the user knowing.

Viruses, Trojans & Spyware : These can harm your computer and are usually installed onto the computer without the uses knowing, these are used to get information from the users computer.

Power Failure : This can be a threat because if you are in the middle of doing anything on your computer and there is a power failure all of your saved work will be lost. This can corrupt your files.

Natural Disaster : This is a threat because it can destroy your computer which means all of your files and data will be lost. you need to keep your files in a physically safe position possibly in a high place.

Data Corruption : This is when the data is damaged and the computer can no longer read it. If this happens the computer will not be able to turn on.

Peer to Peer Access : Where a group of computers are connected to one network. this can be a threat because if one of the computers gets a virus the whole system will not work.

Threats to my computer

1: unauthorised access is pretty much hacking people will do this to access personal accounts for example money accounts, passwords for facebook.
2: Internet & Email:  to prevent this is to not open any attachments in email that you don't no who they are sent from.
3.viruses,trojans, and spy wear is when you have a unauthorized access to your files use spy-wear programs
4.power failure can lead to loss off unsaved work and for a back door can be created and access your files and data corruption 
5.a natural disaster can lead to power failure what can lead to unauthorized access to your files
6.data corruption can lead to damaged files and programs which could weaken your computer
7.is when a group of computers can all access the same hard drive and if one computer gets infected all the other computers will get infected  

os app relationship

the app is what the user uses the app to pass on the message to print, the os passes on the message to the printer

RAM- the most common computer memory which can be used by programs to perform necessary tasks while the computer is on

ROM- memory whose contents can be accessed and read but cannot be changed CPU- the part of a computer that does most of the data processing

Motherboard- A motherboard is the central printed circuit board in many modern computers and holds many of the crucial components of the system

Keyboard- device consisting of a set of keys on a typewriter or typesetting machine or computer or the like

Mouse- a mouse is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface

Display Monitor- A monitor or display (sometimes called a visual display unit) is an electronic visual display for computers

Disk Drive- computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it

Printer- In computing, a printer is a peripheral which produces a text and/or graphics of documents stored in electronic form

Digital Camera- A digital camera (or digicam) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor

Scanner- In computing, an image scanner—often abbreviated to just scanner— is a device that optically scans images, printed text, handwriting

Modem- A modem is a device that allows a computer to communicate over a network. WiFi- a local area network that uses high frequency radio signals to transmit and receive

data over distances of a few hundred feet

Connection To A Network Or The Internet- A link between two or more computer devices