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Computer Components (MEMORY devices (SECONDARY MEMORY (EXAMPLES: (Hard…
Computer Components
MEMORY
devices
DEFINITION:
It is used to store data and instruction
PRIMARY MEMORY
EXAMPLES:
Rom
Cache
Ram
SECONDARY MEMORY
Is where programs and data are kept on a long-term basis.
EXAMPLES:
Hard disk
Pendrive
Magnetic disk
Floppy disk
Data Storage and Backing up data
Is where we put data in a "known" place which we can come back later and get the data back again
Ways in which Data is Stored and Read
Storage Media introduction
Is the term given tothe devices that are used to hole data
Magnetic Storage media
Optical Storade Media
All the mediums that use a light source to read/ write data onto a disk.
Solid State Storage Media
Any memory device with no moving parts and are based on electronic circuits.
Comparisson of Storage Media
INPUT
devices
DEFINITION:
hardware devices that allow date to be entered into a computer.
Manual Input devices
DEFINITION: data in input into the computer by hand
Direct Input devices
DEFINITION: data is input into the computer by machine/device
CLASSIFICATION: A computer system has 4 main hardware components.
Processor
Output devices
Input devices
These get data into the computer.
Storage devices
OUTPUT
devices
DEFINITION:
Hardware devices that allow information to be sent out of a computer system.
CLASSIFICATION: A computer system has 4 main hardware components.
Processor
Output devices
These show the results of processing.
Input devices
Storage devices
S2 B- Camila FERRANDO NOVOTNY and Clara LIÑARES LERNER