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IDE/ATA: First type of hard disks ,40 MB to 528 MB got introduced. 2. ATA-2 (Fast IDE/Enhanced IDE - EIDE) i) Memory size of hard disk & data retrieving speed got increased. ii)) DMA (Direct Memory Access) is included in hard disk. iii) DMA - Contacts memory directly without the help of CPU. 3. ATA-3 "SMART" got introduced in ATA-3 SMART - A software to monitor hard disk continuously & warns about the future problems in it. 4. Ultra ATA / 33 - 66 - 100 Faster reading speed eg., Ultra - 33 ---- Data transfer speed of 33 Mbps.
Technology simplified. This blog explains Computers and Networking basics in simple words which transfers my knowledge to others and to review myself the explained concepts in future. Our vision is to help our readers to understand the basic concepts of PC and networking. This little effort may help CCENT, CCNA and A+ certifications study group.