System Programming doubt?

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How will you explain the following question?

Explain the op-codes of IBM 360?
1.USING
2.BALR
3.START
4.LTORG
Also explain EXTRN and ENTRY?

I know definition of all these but it is not enough for 10 marks question?

Please give any site which has these information. I did tried but not got it.

Posted 13-Nov-11 0:32am

CurrentlyBE

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[no name] 13-Nov-11 7:43am

Given all your previous questions it may be time to rethink your chosen career path.

CurrentlyBE 14-Nov-11 7:06am

I am still on my for selection of my path. I am interested in security but have to complete my curricular first to become an engineer. Thanks regards...

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OriginalGriff · Answer 1 · 2011-11-13T00:41:00

Why you would be trying to pass a test on the IBM 360 series I don't know - they had about as much processing power as my watch does, and they stopped making them in the '70s or early '80s...

However, it's your test, so you should learn it for yourself, rather than just getting spoon fed: http://en.wikibooks.org/wiki/360_Assembly/360_Instructions[^]
Or: http://www.bixoft.nl/english/oplist.htm[^]

For example, the second site will tell you that BALR is basically a subroutine call, and give you a full explanation.