Which of the following are the mnemonic devices?
(i) Categorical clusters
(ii) Peg-word system
(iii) Method of loci
(iv) Heuristic
Choose the correct answer from the code given below:
1
(i) and (ii)
2
(i), (ii) and (iii)
3
(i), (ii) and (iv)
4
(i), (ii), (iii) and (iv)