hich variables are categorical and which variables are quantitative?

Variable Categorical$/$Quantitative

Cost $($$$)$

Operating System

Display Size $($inches$)$

Battery Life $($hours$)$

CPU Manufacturerd. What type of measurement scale is used for each of the variables?

Variable Measurement Scale

Cost $($$$)$

Operating System

Display Size $($inches$)$

Battery Life $($hours$)$

CPU Manufacturer