Explain the difference between write through and write back
cache.
Answers were Sorted based on User's Feedback
Answer / me
Write Through. After writing in cache memory, main memory is
updated too inmediatly to mantain reliability
Write Back After writing in cache memory a flag bit called
dirty bit is set. When this value need to be replaced that
bit is check, if it is set then the value is taken to main
memory
| Is This Answer Correct ? | 46 Yes | 11 No |
Answer / hari patel
Write Through : Main and cash memory are updated simultaneously.
Write Back : First write cash memory find difference w.r.t
revious value and load difference in main memory.
| Is This Answer Correct ? | 10 Yes | 1 No |
What r the phenomenon which come into play when the devices are scaled to the sub-micron lengths?
Are you familiar with VHDL and/or Verilog?
what is a sequential circuit?
Insights of a Tri-State Inverter?
what is Channel length modulation?
What are the Advantages and disadvantages of Mealy and Moore?
what are three regions of operation of MOSFET and how are they used?
What types of CMOS memories have you designed? What were their size? Speed?
What are the Factors affecting Power Consumption on a chip?
How to find the read failiure probablity in SRAM?
What are the different gates where boolean logic are applicable?
Why does the present vlsi circuits use mosfets instead of bjts?