Final Flashcards
Virtual assistant
Application programmer understands natural Language voice commands.
Is augmented reality (AR)
It adds graphics to the real world
Aspect ratio
Relationship between the worth and the height of a display.
Digital amera
It’s easy to use and cost-effective.
DSLR a digital single lens reflex is used by photographers.
Spooling
Storing documents that were that we’re sent for printing until the printer is ready
Compatibility in computers.
The ability of software and hardware from different sources to work together without altering.
Contrast ratio
The dog is dog and the whitest white.
3000:1
(3000 = whitest white)
(1 is the black)
[The white is 3000 times brighter than the black]
Antivirus software
Security program designed to prevent search detect and remove viruses
Virtual reality
Simulating of a 3D environment.
Convergence
Combination of two and more technologies
For example a smartphone smart t v a vehicle on screen camera a smart watch
Zombie
Computer compromised by a hacker.
Botnet
Group of zombies
Speed
Kilobytes (kbps) megabytes (mbps)
ADSL - avg of 2Mbps till 40 Mbps
Fiber - highest is 1Gbps
RAM
-volatile
-random access memory
-PC memory
-short-term memory.
Firewall
Fence between computer and internet
Can be software Hardware or both
DoS
Denial of service.
Cyber attack that makes a computer unavailable.
GUI
A graphic user interface.
Allows interaction with operating system selections with icons and tiles used with a keyboard and mouse.
Mexa Core (CPU)
6 independent operating units
Search engines
Website- allows you to search the internet with a phrase
for example google Bing yahoo naver
Grid computing
Sources of different computers are shaped and used at the same time to solve one problem.
What is the purpose of grid computing
Scientific or technical problems require large data that needs to be processed with a high processing power.
Spoofing
Attack used in phising and Spam.
It’s a forgery of an email header.
Cache memory
Helps improve overall performance
Its high-speed memory fast and more expensive.
Pharming
It is a scam. It misdirects users to a fake website.
