Which of the following optical formats can be written to only once but read many times?
A. DVD-RAM
B. CD-RW
C. BD-RE
D. DVD-R
Answer: Option D
Solution (By JKSSB Mock Tests)
The '-R' designation in optical formats stands for 'Recordable'. These discs use organic dye that can be altered by a laser only once, preventing rewriting (WORM - Write Once, Read Many).
Explanation:
The memory controller manages the flow of data between the CPU and main memory, handling memory addressing, command issuance, and data transfer timing.
No comments yet. Be the first to start the discussion!