Which of the following is/are NOT categorized as secondary memory of a computer? 1. Compact Disc (CD) 2. Cache Memory 3. Floppy Disk (FD) 4. Hard Disk Drive (HDD) Select the correct answer using the codes given below:

Which of the following statements is/are TRUE about Random Access Memory (RAM)? (i) RAM serves as the computer's short-term memory and is classified as volatile memory. (ii) Data stored in RAM can be read, written, and erased dynamically. (iii) The two main underlying categories of RAM are BRAM and GRAM.

Which type of computer memory loses its stored data when the power supply is turned off?