user image

Pooja Sharma

Job Interview Skills
English
2 years ago

Which of the following memories needs refresh? A. SRAM B. DRAM C. ROM D. All of the above E. None of the above

user image

Abhishek Mishra

2 years ago

A DRAM cell is composed of an access transistor and a capacitor. Data is stored in the capacitor as electrical charge, but electrical charge leaks over time. Therefore, DRAM must be refreshed periodically to preserve the stored data.

Recent Doubts

Close [x]