what is software maintenance changes to the
What is software maintenance?
Changes to the software are made in response to altered requirements but the fundamental structure of the software remains stable.
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what is bottom-up approach system developed starting from detailed modules testing begins from the detailed modules and proceeds up to the higher
q show the data encryption standarddata encryption standard - bit-level encryption method designed by ibm- adopted as standard for nonmilitary and
define top-down testingsystem developed starting from most general modules testing begins from the most general
define sandwich testingtesting joins the ideas of bottom-up and top-down testing by explaining a certain target layer in the hierarchy of the
what is software maintenance changes to the software are made in response to altered requirements but the fundamental structure of the software
q illustrate about rsa encryptionrsa encryption - public key encryption technique- encryption steps- encode data to be encrypted as a number to
q security and reciprocity of rsasecurity and reciprocity of rsa - kp and n are issued publicly- ks is kept secret- since the snooper does not know p
define brooks lawsoftware was delivered late was not reliable cost various times the original estimates and often exhibited poor performance
state lehmans first lawa program that is used in real world environment of necessity must change or become progressively less useful in that
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