computer Flashcards
Application
a computer software package that performs a specific function directly for an end user or, in some cases, for another application
Artificial Intelligence
AI robot
Component
a fundamental building block essential for system functionality.
CPU
central processing unit where programs are executed and the components are told what to do
Embedded
a small computer that forms part of a larger system, device or machine
Hard Drive
This is where all your files are stored. Not deleted when you switch off the computer. Can be used as a slower back up to RAM-virtual memory .
Hardware
the computer’s tangible components or delivery systems that store and run the written instructions provided by the software.
Input
computer receives some information
e.g mouse , keyboard , screen
Magnetic
hard disk drive
it is a storage
Motherboard
main printed circuit board (PCB) in a computer
Optical
a device that uses the photons in visible light or infrared ( IR ) beams,rather than electric current, to perform digital computations.
CD
Output
computer outputs information
e.g headphones , speaker
Process
computer does something with the information
e.g cpu , memory
RAM
random access memory .Short term memory of a computer which is very fast . Gets deleted when the computer is switched off.Contains the information the computer needs whilst it is running .
ROM
read - only memory ,doesn’t get deleted when the computer is switched off .
contains all the information to get a computer running
Software
Software is the instructions stored on your computer that can tell the hardware what to do
e.g microsoft word , google chrome
Solid State
electronic components, devices and systems based entirely on semiconductor materials such as silicon, germanium or gallium arsenide.
USB stick
Virtual Memory
enables data that is in RAM and not currently being used to be transferred to the hard disk.
Volatile
a computer storage that temporarily holds data being used or processed.
ALU
Within the CPU is a component called the ALU which is the part of the computer that does all the maths and logic operations .