Perfect Computer Notes

We have already discussed the topics: 1. What is RAM, Explain Different Types of RAM 2. What is ROM Explain Different Types of ROM Here we discuss differences between RAM and ROM 13 Differences Between RAM and ROM Thirteen Differences Between RAM and ROM Sr # RAM ROM 1 RAM stands for Random Access Memory ROM stands for Read Only Memory. 2 RAM is a temporary memory. ROM is a permanent memory. 3 RAM is a volatile memory. ROM is a non volatile memory. 4 When computer is turned off, all data and programs are erased from RAM.  When computer is turned off, all data and programs are retained in ROM. 5 RAM is a Read / Write memory. Data can be read and written to RAM. ROM is a read only memory. Data from ROM only can be read and not written. 6 Data and programs in RAM can be changed. The contents of ROM cannot be changed. 7 Dat...

Today we are going to discuss Different Types of RAM, that is, Random Access Memory . RAM    /     What does RAM mean Ram stands for Random Access Memory . Data in RAM can be accessed directly. That is, we can access data directly from any location of RAM in the same time. This Random Access quality makes RAM a very fast memory. RAM is volatile. Data and programs in RAM are erased when computer is turned off. What does  RAM  do Therefore RAM is a temporary memory. It is used to store those data and programs, which are currently being executed by CPU. Ram is also called Primary Memory or Main Memory. Where RAM memory chip is installed? RAM chip is installed into one of the memory slots on motherboard, as shown in the figure: What does RAM mean Importance of RAM. 1.  A Program must be laoded in RAM for execution. The programs and data currently being executed are in computer's main memory, that is, in RAM. The pr...