1.2 Memory and Storage
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Give 3 examples of magnetic storage.
Floppy disk, HDD (hard disk drive), cassettes
Give 3 examples of optical storage.
Blu-ray, DVD, CD
Give 3 examples of solid state storage.
SSD, USB, micro SSD
What is secondary storage used for?
Secondary storage is used to store data and programs you want to keep indefinitely.
Why is secondary storage non-volatile?
Because it stores data and files you don’t want to get rid of.
What are the three types of storage?
Magnetic, optical, and solid state storage.
What type of storage does not have any moving parts?
Solid state storage.
What are three examples of solid state storage?
SSD, USB flash drive, microSDXC
What are three examples of magnetic storage?
Hard drive, floppy disk, and cassette tape.
What are three examples of optical storage?
Blu-ray disk, CD, and DVD.
What type of storage is an SD card?
Solid State Storage.
What is an example of volatile storage?
RAM.
What is an example of non-volatile storage?
ROM.
Which type of storage is the least durable?
Magnetic.
What type of storage is a DVD?
Optical.
What is secondary storage used for?
To store long term files.
What is secondary storage?
The storage of data that is not accessed frequently as the data in primary storage.
What does SSD stand for?
Solid State Drive.
What is the most expensive type of storage?
SSD (solid state drive).
Does magnetic state storage use lasers to scan the surface?
No, they use needles.
Does solid state storage break easily?
No, they don’t.
What does MDR stand for?
Memory Data Register.
What does MAR stand for?
Memory Address Register.
What does CIR stand for?
Control Instruction Register.