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1a) operating system is an organized collection of procedures and techniques for operating a computer.

(1b) -providing ease of use of the hard ware component for the users

-providing a$$istance to the computer center adminstrators.

(1ci) -Desktop Publishing software

-Word Processing software

(1cii) -assembler -compiler

(1d) -microsoft acesss -microsoft visual basic

(2a) A computer file is a resource for storing information, which is available to a computer program and is usually based on some kind of durable storage.

(2b) (i) -Performance: Fast performance with a rapid response time is critical. Transaction processing systems are usually measured by the number of transactions they can process in a given period of time.

-Ease of use: often users of transaction processing systems are casual users. The system should be simple for them to understand, protect them from data-entry errors as much as possible, and allow them to easily correct their errors.

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Posted by Dickson on April 16, 2015.

Categories: Education