1 votes 1 votes What are the differences among sequential access, direct access, and random access? arch asked Oct 9, 2017 arch 305 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments arch commented Oct 9, 2017 reply Follow Share i dont under stand what is the difference between randon and direct access but it is a question from standard book there might be some difference 0 votes 0 votes Rupendra Choudhary commented Oct 9, 2017 reply Follow Share i first time heard this term 'parallel access' srestha...which device follows this ? do you mean 'accessing all elements at a time' by parallel access , like in any associative memory like TLB? otherwise to search elements in a parallel way , we need processors... 0 votes 0 votes Rupendra Choudhary commented Oct 9, 2017 reply Follow Share Hello arch i reckon there would be some difference b/w random access and direct access so i didn't answer it , rather made it in comment ...it may be just a way of their terminologies ... https://cs.stackexchange.com/questions/6540/direct-vs-random-access wiki saying random access and direct access are same... https://en.wikipedia.org/wiki/Random_access they are considering disk as direct access device and RAM as random access , with argument like accessing disk depends on nearest areas of our target...but in case of RAM it's independent of vicinities ....which make it's time to access constant... in case of RAM (for one time suppose we are at 8085 kit , where we are directly dealing with physical address) we can randomly access any memory by explicitly providing its address...But here in hard disks we have to wait for out desired sector.. while wiki is taking random access mech as disks access mech.... https://en.wikipedia.org/wiki/Hard_disk_drive 0 votes 0 votes Please log in or register to add a comment.