COMPUTER REAL ANSWERS

[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 assistance 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. 


(2ci) -Cyberterrorism -Booming Cybersecurity Iyourself

(2ci
i) -User account access controls and cryptography -firewalls 

(3b) - planning -analysis -design -implementation 


(3c) -Portability -Readability -Efficiency -Flexibility

(5a) An algorithm is any set of detailed instructions which results in a predictable end-state from a known beginning. Algorithms are only as good as the instructions given,. 

(5b)
 -Precision -Uniqueness -Finiteness 

(5c) write the algorithm yourself