Storage Flashcards
Computer language
Binary
In information technology, what is storage?
Storage refer to a device that stores data or information
Name the two types of storage devices
- Primary Storage
- Secondary Storage
What is primary storage?
Main storage or memory, is the area in the computer in which data is stored for quick access by the computer’s processor (CPU)
Synonyms for primary or main storage.
Random access
What does volatile storage mean?
You totally lose data when you switch off the system.
Example of volatile form of storage.
Random Access Memory
Name the other two storage areas found in the CPU.
Processor register
Processor Cache
What does OMR mean?
Optical Mark Reader
What does OCR?
Optical Character Recognition
Name some types of input devices.
Mic Joystick Mouse Keyboard Scanner Touch screen Barcode Reader OMR OCR
Which storage device are volatile?
RAM
What is cloud storage?
Examples…
The storing of information on a remote server. iCloud Google drive Dropbox One Drive/Next Drive
What is information technology?
The equipment (hardware and computer) programs (software) that allow us to access, retrieve convert, store, organize, manipulate and present data and information.
Type of computer systems
Mainframe Supercomputer Desktop system mobile devices Embedded devices
The smallest unit of data
bit
8 bits =
1 byte
A single letter or symbol
1024bytes
1 kilobyte (kb) 2 pages of text
1024 kilobyte =
1 Megabyte (Mb) 5 books, one photo, one minute of music
1024 Megabyte =
1 Gigabyte (Gb) 400 books, 100 photos, 16 hours of music
1024 Gigabyte =
1 Terabyte (Tb) 400,000 books (30 libraries), 1 million photos, 2 years of continuous music.
From a smaller to a larger unit
divide by 1024
From a larger to a smaller unit
multiply by 1024
State the order of the units of storage.
bit byte kilobyte Megabyte Gigabyte Terabyte
