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dont worry too much .. the statistics says more than 80% of mainframe professionals have never seen a mainframe in their carrer :)
have seen one in my trining centre .. looks like acase of height 6 to 6.5 ft
and a lappy in the middle of it but with different kinda keyboard .and if u wanna have a look u can Google for it in google images
Wiki User
∙ 15y ago
Wiki User
∙ 6y agoA mainframe computer works in much the same way as your home personal computer. It a Central Processing Unit (CPU), memory, Hard (disk) drives to store information and programs. Unlike a home computer made to be used by a single person, a mainframe computer allows hundreds (or even thousands) of users to connect and use the computer at the same time.
To allow this to happen, mainframes are built differently than smaller computers. They have more and faster memory, different, more flexible, faster, and possibly greater number of CPUs, more hard drives and greater storage capability. A mainframe will use a different type of connection and cabling between CPU, memory, hard drives and other devices that allow for faster transfer of greater amounts of information between them.
Instead of a relatively simple Windowing operating system, a mainframe system operating system needs to handle many more users. It needs to handle multiple concurrent user memory, device and file assignments. It needs to manage execution priorities so that no one user program "hogs" the whole machine, unless it is supposed to. It needs to protect one users program from other programs of the same or different user and to protect the integrity of the system from whatever a user privileged program can do.
All this may sound similar to what a Windows (or Linux) system needs to do but to a much greater degree.
Wiki User
∙ 15y agoMainframes usually have huge computing powers startinf from tetraFlops.They are of various types and flavours and are usually custom built on the requirements of the customer who requires such a huge computing power .They usually scale entire rooms to full building floors and are clustered Towers having very high end power ,air conditiong requirements.
Wiki User
∙ 14y agoA computer looks just like the thing that you used to ask this question.
Wiki User
∙ 12y agoUsually a computer server just looks like a normal computer. Sometimes bigger, sometimes smaller. it all depends on the server.
normal computer size like this fairly standard dell.
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