Which of the following memory module form factors are commonly used for laptops?

A.
Dual Inline Memory Modules (DIMMs)

B.
Small Outline DIMMs (SODIMMs)

C.
Single Inline Memory Modules (SIMMs)

D.
Rambus Inline Memory Modules (RIMMs)

Explanation:
Laptop memory comes in smaller form factors known as Small Outline DIMMs (SODIMMs).
Incorrect answers:
A, C: These are memory chips used on normal PCs depending on if there are chips on one side of
the circuit board or on both sides, respectively.
D: This is a type of memory module that uses Rambus memory and is not used in laptop
computers.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda , CA,
2001, pp. 65.