Out of the four words listed, three are alike in some manner and one is different. Select the odd one.​​

Now, we check each options.

Option (a): Motherboard – It is a hardware.

Option (b): Intel – A company that manufactures processors (brand name, not a hardware component itself).

Option (c): Keyboard – It is a hardware.

Option (d): Printer – It is a hardware.

So, the odd one is Intel.

Thus, correct option is (b).