Digital literacy is the term for having knowledge of computers, internet, mobile devices and related technologies.
Well we have SRAM(Static Random Access Memory) is faster, have a lower density but it is more expensive.
While DRAM(Dynamic Random access memory) is just the opposite.
Those are the only two, I know exist.
A primary key is a field that contains data unique to a record
The answer to this is Optical mouse.
The reason the answer is optical mouse is because the optical mouse is a computer mouse which uses a light source, typically a light-emitting diode, and a light detector, such as an array of photodiodes, to detect movement relative to a surface.
Hope this helped :)
have a great day
4- system software
2- application software
4- software package
1- assembler
2- antivirus program
