Television.
Squared stands for 4.
TIR stands for 1. TOTAL INDICATOR RUN OUT 2. TOTAL INDICATOR READING 3. TOTAL INDICATOR REVOLUTION
A 2D shape is the name forit, because 2 stands for the 2 dimensions and the D stands for dimension wasn't that easy. A 2 dimensional shape that looks like a cube is a square.
The answer depends on what variable r stands for.
Television.
Thinnet
10base-5 = 5
It stands for 'twisted pair'. 10BaseT or Ethernet cable consists of two pairs of wires twisted around each other inside an external sheath.
Television.
10base-ER
2 wire of pair
100m
Terminator
thick ethernet or thicknet
repeaters
Pangit ka