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What is direct access?
A file in which any record or block can be read next. Usually the blocks are fixed length.
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what are the three major steps for a good study of a genetic family treestep 1 determine whether the studied phenotypical form has a dominant or the
what is a sequential filea file that is read one record or block or parameter at a time in order based on a tape model of a
what is the mendels second lawthe mendels second law postulates that two or more different traits are also conditioned by two or more pair of
what is condition for the mendels second law to be validthe mendels second law is only valid for genes located in various chromosomes for genes
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q colloidal systems in foodsa colloidal system is a heterogeneous system the material that forms the base of the system is called the dispersion
how does user specify block to be fetched in direct access by specifying the relative block number relative to first block in file which is block
can a direct access file be read sequentially explainyes keep a counter cp initially set to 0 after reading record cp increment
how can an index file be used to speed up the access in direct-access fileshave an index in memory the index gives the key and the disk location of
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