11. Which memory type is used to store data when the power supply is turned off?
a) RAM
b) ROM
c) Cache
d) Hard Disk Drive
Answer: b) ROM
12. Which memory technology is commonly used in portable devices like smartphones?
a) RAM
b) ROM
c) Cache
d) Flash Memory
Answer: d) Flash Memory
13. Which of the following is the smallest unit of memory?
a) Bit
b) Byte
c) Kilobyte
d) Megabyte
Answer: a) Bit
14. How many bits are in a byte?
a) 4
b) 8
c) 16
d) 32
Answer: b) 8
15. Which memory type is the fastest among the following options?
a) RAM
b) ROM
c) Cache
d) Hard Disk Drive
Answer: c) Cache
