Cache Memory
The cache memory exists between microprocssor (CPU) and main memory. It is faster than main memory. Its access time is around 10 nanoseconds. It stores data and instructions which are to be immediately...
View ArticleMagnetic Disk
Magnetic disk is a fast secondary memory. It is a circular plate made up of metal or plastic coated with magnetized material. Usually both the sides of the plate are used. The disks are stacked on one...
View ArticleMagnetic Tape
Magnetic tape is a slow secondary memory. It is a strip of plastic coated with a magnetic recording medium. Bits are stored as magnetic spots on the tape along several tracks. Usually seven or nine...
View ArticleAssociative Memory
Associative memory is a memory unit which can be accessed by content. It is also known as content addressable memory (CAM). It is accessed simultaneously and in parallel on the basis of data content...
View ArticleVirtual Memory
Virtual memory is a concept that allows the users to write programs as though a large memory space were available, equal to the whole auxiliary memory. The address referenced by the CPU has to go...
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