Chapter 8 Notes Flashcards
A _________ ________ is the physical material on which a computer keeps data, information, programs, and application
storage medium
the hardware that records and/or retrieves items to and from storage media
storage device
________ is the process of transferring items from a storage medium into memory.
Reading
Reading is the process of transferring items from a ________ _______ into ________.
storage medium
memory
________ is the process of transferring items from memory to a storage medium
Writing
Writing is the process of transferring items from ________ to a ________ ________
memory
storage medium
the number of bytes a storage medium can hold
capacity
True or False: items on a storage medium remain intact even when you turn off a computer or mobile device
true
What does access time measure?
1) the amount of time it takes the control unit to locate an item on a storage medium
2) the time required to deliver an item for memory to the processor
List these items from fastest to slowest transfer rates:
- hard disks
- memory cards
- optical disks
- memory (mostly RAM)
- USB flash drives
- SSDs
1) memory (mostly RAM)
2) SSDs
3) hard disks
4) USB flash drives
5) memory cards
6) optical disks
Hard disk is also known as a ____ ____ _____ (____).
hard disk drive (HDD)
a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information
hard disk
a seperate freestanding storage device that connects with a cable to a USB port or other port on computer or mobile device
external hard disk
a group of 2 or more integrated hard disks
RAID
What does RAID stand for?
redundant array of independent disks