memory
-holds data and instructions that is the computer is suing white it’s in
-needs power to keep its contents
-fast to access
-electronic
storage
-holds programs and data more permanently
-magnetic (hard drive), optical (CD, DVD) or electronic (flashdrives and SSD)
-slower
HDD
SSD
RAM
hard disk drive - storage
solid state drive - storage
random access memory - memory
online storage
disk space that is allocated on a sever
-OneDrive
-google drive
advantages of online storage
-accessibility
-saves on the computer
-easy to share
disadvantages of online storage
-only accessible with internet connection
-no control over backup or security
online storage/ cloud computing
online storage- storing files online
cloud computing- actual programs run on a server on the the internet that can be accessed
backing up
copying or duplicating a file incase of emergency
-easy to restore and to create
-flash drives, portable hard drives, online backup services
how to write CDs and DVDs
archiving
storing files that are not meant to be accessed regularly but kept as reference
motherboard
large circuit board - all other components plug into
CPU
does all the processing
-measured in GHz
‘core’
tells us how many physical CPU on a chip
RAM
where CPU obtains instructions
ROM
holds the programs that control the basic hardware of a computer
backing up
storing electronic copies off site incase of data loss
basic troubleshooting
-manages back ups
-disk scanning
-formatting and reforming
-disk defragmentation
-disk filling up