Why is parallel processing important in big data?

$1$ point

It simplifies data structures

It reduces processing times

It increases data velocity

It reduces data volume

$5.$

Question $5$

What is the order of units from smallest to largest?

$1$ point

Kilobyte $($KB$)<$ byte $<$ megabyte $($MB$)<$ gigabyte $($GB$)<$ terabyte $($TB$)<$ petabyte $($PB$)$

Byte $<$ megabyte $($MB$)<$ kilobyte $($KB$)<$ gigabyte $($GB$)<$ terabyte $($TB$)<$ petabyte $($PB$)$

Kilobyte $($KB$)<$ megabyte $($MB$)<$ gigabyte $($GB$)<$ byte $<$ petabyte $($PB$)<$ terabyte $($PB$)$

Byte $<$ kilobyte $($KB$)<$ megabyte $($MB$)<$ gigabyte $($GB$)<$ terabyte $($TB$)<$ petabyte $($PB$)$

$6.$

Question $6$

Relative to big data, what is the function of Map and Reduce?